Milus – TIRION TriRetrograde TIRI742

Milus – TIRION TriRetrograde TIRI742  NEW

Biel-Bienne, March 2014

Aesthetic refinement and technical sophistication come together once again in the latest Milus Tirion TriRetrograde model. This fascinating balance of contrasts, a brand trademark, appears at many different levels with this new timepiece. 

The classic 45-millimetre case in pink gold supports a modern, narrow carbon bezel. The interplay of these two materials continues on the watch face, where the gold-edged hour and minute hands, and the three golden second hands, display time on two intricately superimposed carbon dials, skeletonised so as to offer a deep look inside the watch.

This Tirion TriRetrograde is a real eye-catcher. The hour and day Arabic numerals in gold and
white luminescent mass respectively alternate rhythmically on the outer ring. They are only interrupted by the date aperture at 6 o’clock. The sensual roundness of the watch’s exterior gives way to unfettered dynamism expressed by the very masculine arrangement of the three second arcs that operate at the heart of the dial, their hands shaped like winding rotors.

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This latest Tirion TriRetrograde is perfectly finished at all levels. Even the crown fits snuggly in the elegant curve of the case. Inside this stunning timepiece is a high-capacity automatic movement that ensures a power reserve of 40 hours at least. The faceted hour and minute hands are partly coated in luminescent mass for excellent readability in the dark. And the watch comes with a black alligator strap that exudes a combination of refinement and robustness.

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This Tirion TriRetrograde is a real eye-catcher. The hour and day Arabic numerals in gold and white luminescent mass respectively alternate rhythmically on the outer ring. They are only interrupted by the date aperture at 6 o’clock. The sensual roundness of the watch’s exterior gives way to unfettered dynamism expressed by the very masculine arrangement of the three second arcs that operate at the heart of the dial, their hands shaped like winding rotors.

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Technical Specifications

Movement

• Self Winding/Automatic
• Swiss Made

Water resistance

3.00atm / 30.00m / 100.00ft

Functions:

Hours, Minutes, Retrograde second, Date

Case:

• Round
• Red Gold
• Polished
• 45.00mm

Glass:

Sapphire

Buckle

• Pin Buckle
• Red Gold

Strap

Alligator leather

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TEL +41(0)32 344 39 39 FAX +41(0)32 344 39 38 E-MAIL press@milus.com
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H. MOSER & CIE. – VENTURER Small Seconds

H. MOSER & CIE. – VENTURER Small Seconds Collection NEW

Venturer is the new family of watches, representing the second phase of Moser’s life. Soon after establishing H. Moser & Cie. in St. Petersburg in 1828, his timepieces were in demand. His exquisite creations graced the arms of Russian princes and members of the Imperial Court. In fact, most Fabergé table clocks were equipped with H. Moser movements.

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With this success, Heinrich Moser established a manufacturing site in Le Locle, drawing on contacts made during his time there. A strength of Moser was his ability to recruit capable individuals to manage his operations. With his products crossing oceans and moving down the Silk Road through a network of boutiques, this astute judgement served him well.

Moser had a clear vision of marketing and commerce. He remarked, “The basis of a manufacturing business must be good and appealing products”. He explained that, “If my tailor supplies a jacket from which the hanging loop is missing, he will have lost credibility with me, even if the jacket fits well. I will regard him as a skilful tailor but a poor businessman ….” It is this mindset that resulted in Moser crafting high -precision timepieces imbued with grace and exceptional craftsmanship, as well as featuring innovation. These principles have been embraced with the new Venturer Collection which takes its name from Moser’s commercial ventures that attracted the patronage of clients from around the globe.

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The Venturer Collection of watches is infused with design elements from traditional pocket watches, but they also reference the 1920s Bauhaus era and feature the convex crystals of the 1960s. This collection includes a new in-house manufacture movement, the Calibre HMC 327.

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With a mixture of pioneering spirit, well-judged ambition and ingenuity, the third phase of Heinrich Moser’s life will be depicted with a further family of very rare watches. However, in the same way Heinrich did not reveal his plans for harnessing hydro power on the river Rhine, keeping his plans secret, the public will have to wait to learn of the final part of this exceptional trilogy – at least until 2016.

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VENTURER – A NEW FAMILY OF PRODUCTS

Heinrich Moser’s entrepreneurial spirit is celebrated with the new Venturer Collection of watches. The Venturer Small Seconds with its HMC 327 movement, the first timepiece in the collection, reaffirms H Moser & Cie.’s renown for crafting high precision timepieces, imbued with grace and exceptional craftsmanship. Taking cues from the company’s historic pocket watches, the Venturer Collection also incorporates pure design elements from the 20th century

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The inspiration for this latest collection from H. Moser & Cie. is the second phase of Heinrich Moser’s professional ventures in the Russian city of St. Petersburg. Established in 1828, H. Moser & Cie. soon attracted the patronage of the Imperial Court. Indeed, Moser quickly built his reputation and saw the watchmaking business that bore his name flourish and become a resounding commercial success.

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 Design elements of the new Venturer collection

The Venturer Collection is infused with design elements from traditional pocket watches but also with a clever mix of cues from the Bauhaus era of the 1920s and convex forms of the 1960s. This includes a larger bezel opening, revealing the extremely restrained and elegant H. Moser signature fumé dial. In keeping with the clean lines of the crystal, bezel and case, the dial surface has a convex profile and the hands follow this contour, according a delightful depth to their form and an attention to detail that grows on closer inspection. The baton design and the curved edge of the swallow-shaped hands are long and slim, expressing a dynamic character. Refined lines are a key attribute to the design language of the new Venturer Collection.


Carefully selected features are shared with the Endeavour Collection, such as the crown with the Moser “M” adorning its vertical flank. The curving lines of the satin brushed area embellish the case band, swooping downwards to convene beneath the crown. The resultant mien is exquisite and imparts a joyous moment of discovery on first acquaintance. All elements of this crafted timepiece harmoniously blend, identifying the Venturer as unmistakably H. Moser.

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 The Venturer small seconds, a greater choice

The Venturer Small Seconds is the very first model of the Venturer Collection, featuring a small seconds display deliberately positioned as close to the bottom of the dial as possible. This model is available in three different references, each exhibiting its own unique character. The choice of three 18-carat red gold models, includes an ardoise or a sensual argenté dial, as well as the unusual, and highly attractive, new signature dial in red gold fumé.

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In creating the Venturer Collection, H. Moser & Cie. has initiated a range of refined timepieces with a design that engages with an arresting presence. With plans to expand the Venturer Collection with additional models as well as complications, the ambition of H. Moser & Cie. reaffirms its entrepreneurial heritage and its reputation for ingenious products.

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 HMC 327 small seconds – a new movement openly revealed

The Venturer Collection includes a new in-house manufacture movement for 2014, the Calibre HMC 327. This calibre is characterized by its traditional watchmaking finishing, minimum power reserve of three days and a hacking seconds function. Measuring 32 mm in diameter, the Calibre HMC 327 is optimally sized to suit the 39.2 mm case of the new Venturer Small Seconds. The HMC 327 has also been designed to sit closely to the exhibition case-back, allowing the wearer to enjoy an intimate view of the fine finishing practised at H. Moser & Cie.


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The HMC 327 is the result of a close examination of historic movements, an evolution that delivers optimised performance and efficiency. By introducing this calibre in the new Venturer Collection, the company has a range of prestigious watches that uphold its matchless watchmaking standards and display considerable efficiencies in production and assembly.

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Such efficiencies provide benefits through state-of-the art technology in the form of a silicon anchor with ruby pallets and a silicon escape wheel. Silicon is anti-magnetic and confers low-friction; benefits which cannot be ignored.

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Conversely, traditions are also respected. The in-house Straumann Hairspring® features a hand-applied Breguet overcoil, enhancing isochronism. The balance wheel includes gold screws facilitating precise poising of the balance. Adorning the movement is the H. Moser company hallmark, expertly engraved in gold, although in keeping with the refined design, the engraving is reduced to a minimum against the backdrop of Moser stripes that adorn the bridges of the HMC 327.

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This new collection stands testament to the pride of the skilled team who work patiently, crafting fine watches that are exceptional and very rare.

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TECHNICAL FEATURES – VENTURER SMALL SECONDS

Reference 2327-0401, red gold model, red gold fumé dial, brown strap
Reference 2327-0402, red gold model, ardoise dial, brown strap
Reference 2327-0400, red gold model, argenté dial, brown strap
Case
18-carat red gold, three-part
Diameter: 39.0 mm, height: 12.5 mm
Curved sapphire crystal
See-through sapphire crystal case-back
Screw-in crown adorned with an “M”
Dials
Red gold fumé, ardoise or argenté with sunburst pattern
Appliqué indexes
18-carat red gold hands
Movement
In-house hand-wound Calibre HMC 327
Diameter: 32.0 mm or 14 ¼ lignes
Height: 4.4 mm
Frequency: 18’000 vib/h
28 jewels
Power reserve: minimum 3 days
Hacking seconds
Moser teeth for all wheels and pinions
Original Straumann® hairspring with stabilised Breguet overcoil
Functions
Hour and minute
Small seconds hand and sub-dial
Power reserve indicator on movement side
Strap
Hand-stitched brown alligator strap
Solid 18-carat red gold pin buckle, with engraved Moser logo

Press release 
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H. MOSER & CIE.
MOSER SCHAFFHAUSEN AG
Rundbuckstrasse 10
CH-8212 Neuhausen am Rheinfall
Switzerland
TEL.          +41 52 674 0050
FAX          +41 52 674 0055
E-MAIL      info@h-moser.com
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GIRARD-PERREGAUX – Tri-Axial Tourbillon

GIRARD-PERREGAUX  – Tri-Axial Tourbillon Limited Edition NEW

The Tri-Axial Tourbillon represents a major success for Girard-Perregaux, a historic specialist in the mastery of this precision watch mechanism. This is a new step for the Manufacture in its quest for chronometric perfection with a high-speed tourbillon on three separate axes.

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A complex mechanism aimed at optimizing chronometric precision, the tourbillon has been a specialty of Girard-Perregaux for over a century and a half. Once again, the Manufacture at La Chaux-de-Fonds demonstrates its mastery of the subject, taking its search for precision even further with the Tri-Axial Tourbillon.

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This development embodies the quintessence of time measurement based on the physical principle of the elimination of disturbances, the first being the Earth's gravitational pull. As it is designed on three planes instead of the traditional one, the Tri-Axial Tourbillon optimizes its performance and showcases a captivating spectacle.

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The external parts therefore needed to be specially adapted in order to integrate this extraordinary caliber. The tourbillon's triple cage required the integration of a domed lens that rests against the sapphire crystal in order to provide the necessary interior volume. 

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With the Tri-Axial Tourbillon, Girard-Perregaux therefore delivers a brilliant demonstration of its expertise and its constant search for watchmaking excellence.

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Three axes
The Tri-Axial Tourbillon by Girard-Perregaux features a regulator on three separate axes. At its heart beats a traditional tourbillon. Its cage performs one rotation in one minute.

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  It is integrated within a structure positioned on a second axis and performs a complete rotation in 30 seconds. Finally, both are inserted into a third system. The ensemble is placed on a third axis and performs one rotation in 2 minutes. The diameter of the ensemble comes to 13.78 mm.

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With a total weight of 1.24 grams, the cage and the drive systems are made of steel. The support pillars are in titanium, or in pink gold to act as a counterweight where the kinetic balance required this. As for the balance, it integrates 16 pink gold adjustment micro-screws. It has an increased frequency of 3 Hz, or 21,600 vibrations per hour.

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Exceptional finishes
A masterpiece of modern engineering, the Tri-Axial Tourbillon caliber remains absolutely faithful to the purest of traditions. The cage adopts the lyre shape that has been characteristic of Girard-Perregaux Tourbillons since the 19th century. Haute Horlogerie timepieces demand components that are decorated and finished by hand with the greatest care. They therefore present mirror-polished surfaces and perfect chamfering (especially on a number of inward angles which are particularly difficult to finish).

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The gear train is circular-grained and the sides are satin-brushed. On the case-back, the eagle, the symbol of the manufacture since 1897, is engraved and a plaque in the arrow shape of the Tourbillon with Three Bridges' iconic bridges bears the individual number of each piece. This shape is also found on the emblematic gold bridges also visible on the back of the movement.

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laying hours, minutes and a time reserve indicator, the new GP09300 mechanical caliber with manual winding measures 36.10 mm in diameter with a height of 16.83 mm. It comprises 317 components and has a minimum power reserve of 52 hours.

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Multiple dial
Constructed on several levels, the dial of the Tri-Axial Tourbillon presents a wide aperture at 9 o'clock that reveals the hypnotic ballet of the regulation system.

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At half past one, a silver dial with Clous de Paris motif presents numerals and hour markers in pink gold. It is encircled with an applique in pink gold and a black flange that displays the minutes numerals in white. The beveled, skeleton-shaped dauphine hands are crafted from pink gold.

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Starting at the center of the watch, the power reserve indicator follows a curve that ends at 6 o'clock. Designed graphically to form an array of circles and curves, the dial presents concentric, regular stripes in the areas that have been left empty. Like Japanese zen stone gardens, these gray-colored areas counterbalance the clear technicality of the timepiece with their understatement and simplicity. Girard-Perregaux's initials gleam in pink gold at 11 o'clock.

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Complex sapphire crystal
Crafted from pink gold, the case respects the design codes of Girard-Perregaux's Haute Horlogerie collection with a beveled bezel, a rounded case-center and lugs that narrow out elegantly towards the exterior. The superior sapphire crystal presents a spectacular construction. At 9 o'clock, a domed sapphire crystal, designed to highlight the tourbillon's three axes, is applied to the main crystal, which is first pierced to the required diameter.

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 A toric-shaped sapphire crystal is also integrated into the side of the case at 9 o'clock in order to show this fascinating spectacle from another angle. Finally, the case-back, which is screwed and transparent, reveals the entire movement and, in particular, the satiny circular bridge engraved with the words "Tri-Axial" that supports the differential of the tourbillon system.

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The Tri-Axial Tourbillon is available in a 10-piece limited edition.

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TECHNICAL SPECIFICATIONS

Reference: 99815-52-251-BA6A

Case: pink gold
Diameter: 48.00 mm
Dial: gray anthracite
Crystal: anti-reflective sapphire with dome to cover the tourbillon
Case-back: anti-reflective domed sapphire crystal
Apertures on the side to reveal the movement / anti-reflective toric crystal
Water resistance: 30 meters (3 ATM)
Movement
Girard-Perregaux movement GP09300-0001
Mechanical, manual winding movement
Diameter: 36.10 mm (16 ''')
Thickness: 16.83 mm
Frequency: 21,600 Vib/h - (3 Hz)
Power reserve: min. 52 hours
Jewels: 34
Number of components: whole movement: 317
Two-arrow Bridges: in pink gold
Tourbillon:

• Tourbillon cage: 140 components for 1.24 g
• 3 axes
• One rotation every 1 minute on the first axis, every 30 seconds on the second axis, every 2 minutes on the third axis.
• Poised upper and lower cages with pink gold counterpoise
• Beveled and hand-polished pallets bridge
• Balance wheel: variable inertia with pink gold setting screw

All components of the movement have hand finishing according to Haute Horlogerie criteria.
Functions: Tri-Axial tourbillon, hour, minute, power reserve indicator
Wristband
Black alligator leather strap with hand stitches
Pink gold folding buckle

Limited edition: 10-piece

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De Bethune – DB29 Maxichrono Tourbillon

De Bethune – DB29 Maxichrono Tourbillon NEW

Unique in watchmaking history

Introducing De Bethune’s neo-mechanics

Twelve years ago David Zanetta, an art lover and connoisseur of traditional watchmaking, and Denis  Flageollet, an innovative designer and constructor of watches, set up the De Bethune project, ranging from the development of watchmaking techniques to research applied to the horological arts.

Their research follows on from that undertaken by the great horologists of the age of enlightenment,
while assimilating the new technologies and materials to which the fundamental calculations and
principles of conventional mechanics have been applied.
The various innovations emanating from the De Bethune laboratory not only bear witness to these
intentions, they also express the conviction that there is much unexplored territory in the field of
watchmaking technology.
Work on the regulating organ that is at the heart of every watch obeys well-known physical
properties: inertia, mass, elasticity, surface friction and magnetism. Fundamental to the improved
precision and efficiency of watch movements are such technological advances as the patented
balance-spring with flat terminal curve, balance-wheels in silicon and white gold or in titanium and
platinum featuring maximum inertia for a minimum weight, as well as the development of a real
tourbillon for the wrist in silicon and titanium.
The DB29 Maxichrono Tourbillon, the result of seven years of research and development, is the only
one of its kind. This exceptional patented chronograph, packed with innovations, embodies the
essence of De Bethune’s watchmaking.

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A mono-pusher chronograph

The rose-gold case of the DB29 with its smooth curves features the brand’s trademark cone-shaped
lugs. The double case back of this time-measuring instrument is fitted with an invisible hinge so as not
to detract from its clean lines. A single push button, coaxial with the crown at 3 o'clock, operates the
chronograph.

Five central hands

The design of the DB29 Maxichrono Tourbillon’s dial with its five central hands aims to make it easier
and more attractive to read the chronograph indications by doing away with the small subdials of
the conventional chronograph. The hands that give this watch its identity are designed to follow the
different shapes and curves of the silver-toned dial. They are all in hand-polished steel that has been flame-blued by the company’s craftsmen, apart from the chronograph minutes hand, which is in
rose gold.

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Measuring long elapsed times: 23 hours, 59 minutes and 59.9 seconds

This instrument measures long elapsed times with counters for 60 seconds, 60 minutes and 24 hours.
The central chronograph hands are mounted on co-axial stacked wheels, a complex system that
requires real technical expertise to achieve.
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Thanks to the precision ensured by the De Bethune 30-second Tourbillon in silicon and titanium
oscillating at a rate of 36,000 vibrations per hour – one of the fastest and lightest on the market with
its 63 parts weighing a total of 0.18 grams – time is accurately measured and the maximum duration
of elapsed-time measurements amounts to a generous 23 hours, 59 minutes and 59.9 seconds.

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A push button at 4 o'clock opens the cover on the sapphire-crystal glass of a titanium case back to
reveal the modern construction of the calibre DB2039 movement with its polished steel bridges, the
tourbillon at 3 o'clock and the complex mechanism of an innovative time-measuring system
featuring three column-wheels.

De Bethune total clutch system: a patented chronograph invention

De Bethune’s research and development department has announced the filing of a patent
application n° CH00076/14 for the chronograph mechanism. De Bethune’s absolute clutch aims to
improve the performance of chronographs by correcting the faults identified in current mechanisms.
This mechanism makes the most of the advantages of the horizontal and vertical clutch systems
while eliminating their faults. It thus benefits from a marked reduction in the friction that affects the
movement both when the chronograph is running and when it is functioning without the
chronograph engaged.

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The absolute clutch operates in a system engaging the two traditional clutch methods to allow the
different chronograph counters to function semi-autonomously:

•  The chronograph seconds are governed by the new absolute clutch system;
•  The minutes counter is controlled by a shifting pinion;
•  The hours counter is engaged by a horizontal clutch.

Three different types of clutch behind three semi-independent systems controlled by three
column-wheels thus govern the different chronograph elapsed-time counters.

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In this way De Bethune marks a significant technological breakthrough in the history of
chronographs, the result of continuous research heralded by the DB21 Maxichrono in 2006. Constant
innovation relying on an extensive knowledge of age-old expertise has enabled the brand to simplify
and enhance the reliability of the absolute clutch system so that it can be implemented in a
movement manufactured by the production workshops in the Swiss village of L’Auberson.

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Technical Specifications

Ref: DB29RS1 DB29 Maxichrono Tourbillon

Calibre DB 2039
Mechanical hand-wound movement
Functions: hours – minutes – mono-pusher chronograph with 24-hour,
60-minute and 60-second Counters – De Bethune Tourbillon 30″ silicon/titanium 36,000 vph
Diameter 30 mm – 410 parts – hand-crafted finishing and decoration – hand-polished steel –
3 columns wheels
De Bethune absolute clutch *
Self-regulating twin barrel *
Silicon/white gold balance wheel – balance-spring with flat terminal curve*
De Bethune 30″silicon/titanium tourbillon, 36,000 vph*
Silicon escape wheel*
Jewelling: 49 jewels
Frequency: 36,000 vibrations per hour
Power reserve: 5 days
* Manufacture De Bethune innovations and registered patents

Fonctions
Hours and Minutes
Mono-pusher chronograph with 24-hour, 60-minute and 60-second counters
De Bethune 30″silicon/titanium tourbillon
Movement
Calibre DB2039 – Mechanical hand-wound movement
Power reserve: 5 days
Case
5N rose gold – round-shaped – diameter 46 mm – thickness 11.70 mm
Attachments: cone-shaped lugs
Glass: sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown: at 3 o’clock – mono-pusher button – setting in 2 positions – push button for the double back at 4 o’clock
Back: open – sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment – De Bethune tourbillon 30′′ silicon/titanium 36,000 vph – chronograph calibre with hand-polished bridges
Double back: solid with invisible hinge – 5N rose gold
Display
Dial: silver-toned – the architecture of the dial is constructed on different levels; some are curved to maximize the visibility. From the centre to the periphery : central hours counter – hours inner ring – minutes ring and minutes counter – outer ring with chronograph seconds indication
Hands: 5 curved central hands – hand-polished and flame-blued steel for hours and minutes hands and hours and seconds chronograph indicators – minutes chronograph indicator in rose gold
Strap
Extra-supple alligator leather strap with pin buckle

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Press release - Geneva 2014
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DeWitt – Twenty-8-Eight Tourbillon Prestige

DeWitt – Twenty-8-Eight Tourbillon Prestige Limited Edition NEW

DeWitt unveils its latest technical innovation, the Twenty-8-Eight Tourbillon Prestige watch, a limited edition of 99 pieces, entirely conceived and assembled at the DeWitt Manufacture by its own master watchmakers.

The new Twenty-8-Eight Tourbillon Prestige houses the calibre DW 8015, developed from the DW 8014 movement that was first presented in 2010. This automatic Tourbillon introduces a patented and extremely ingenious Automatic Sequential Winding (A.S.W) device, driven by a peripheral oscillating rotor.

 
The A.S.W. device distributes a constant flow of energy to the main gear-train thanks to the sequenced winding of the barrel. Such a technical prowess makes it possible to obtain an ideal functioning range through the use of a single, manual-type barrel. Moreover, it avoids all the running defects observed when slip-springs are used on conventional automatic calibres.

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The peripheral oscillating rotor is attached to a ring with a sinusoidal profile on its inner edge. This particular shape will, in turn, activate the patented A.S.W system which enables the movement to always operate in an ideal functioning range, between 92 and 96% of the main-spring torque. The escapement is therefore guaranteed to always receive a constant and stable flow of energy thanks to this sequenced winding.

Indeed, two little arms, rocking up and down thanks to the rotation of the sinusoidal ring, ensure the winding of the barrel until it reaches 96% of the movement’s full winding. At that moment, a lever disengages the pawl from winding the barrel and forces it to continue its movement in the air, without hooking on to the wheel.

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The movement then runs on its accumulated reserves of energy, until it reaches 92% of the power reserve, and the pawl then hooks back on to resume winding the barrel. Such a technical prowess makes it possible to obtain an ideal functioning range through the use of a single, manual-type barrel. Moreover, it avoids all the running defects observed when slip-springs are used on conventional automatic calibres.

The method of displaying the dead-beat seconds hand in the centre of the dial makes for easier reading of the time. In direct contact with the Tourbillon cage, the ticking dead-beat seconds hand marks a pause for each second counted, which beautifully outlines the precision level achieved by the oscillating balance.

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Built out of some 334 components, the calibre DW 8015 is the perfect illustration of the inventive audacity of DeWitt’s master watchmakers. It combines the horological classicism of the tourbillon with the technological innovation of the A.S.W. (Automatic Sequential Winding) device. Moreover, the heart of the balance beats to the rhythm of a Straumann Hairspring® with Phillips curve. Developed from seven different elements, the alloy used is unbreakable, self-compensating, non-oxidizing and anti-magnetic. The perfect homogeneity of the hairspring and its incredibly precise flat rolling of 0.0001 mm, or 0.1 of a thousandth of a millimetre, give it its extremely high precision, thus guaranteeing the high performance of the mechanism.

The construction of the movement and of the dial take their inspiration from the world of architecture, using solid geometrical forms inspired by industrial metallic structures.
Thanks to an open-worked mainplate, the carriage of the Tourbillon is thus suspended in the air, producing an effect of transparency and of plunging into the very heart of the movement. The gear-train is unveiled through a dial featuring a fitted rhodium-plated matt chocolate-coloured grid. This robust, masculine aesthetic is reinforced by a series of screws. The power reserve is of 72 hours and is indicated at 9 o’clock by a hand that covers a 180 degree segment.
Its 46 mm case in 18-carat rose gold, adorned with the famous DeWitt imperial columns, matches the applique “W” signature in 18-carat rose gold at 12 o’clock, the hands and the gear-train of the movement.

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On the back of the case the two re-designed rear bridges mark out a strong contrast with their black PVD-treated surfaces. Like all great DeWitt complications, the Twenty-8-Eight Tourbillon Prestige watch bears the signature of the watchmaker who assembled the timepiece, this time directly inscribed on the movement’s rear bridge.

Last but not least, the new DW 8015 movement fully complies with the very demanding finishing norms established by the DeWitt Manufacture: Circular Côtes de Genève, satin-brushed surfaces, circular graining, polishing and bevelling.


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 TECHNICAL SPECIFICATIONS

Twenty-8-Eight Tourbillon Prestige 

 

Ref.  T8.TP.001

Calibre
Reference DW8015
Movement
Mechanical movement with Tourbillon and patented
Automatic Sequential Winding (A.S.W.) device, driven by a peripheral oscillating rotor
Tourbillon carriage suspended in the left
Dead-beat second is directly connected to the Tourbillon carriage
Signature of the watchmaker on the back bridge of the movement
Diameter: 37 mm
Power reserve: 72 hours
Vibrations: 18,000 A/h
Balance: Variable-inertia (Glucydur) balance
Spiral: DeWitt Straumann Hairspring® with Phillips curve sequenced at 2.5 Hz.
Escapement: 44° angle of lift
Jewels: 36 jewels
Number of components: 334
Functions
Tourbillon, hours, minutes, dead-beat seconds, power reserve
Case
Round case with DeWitt imperial columns on the sides
Material: 18-carat rose gold
Diameter: 46 mm
Total thickness: 12.10 mm
Crown: 18-carat rose gold polished crown adorned with a ring made in blackened titanium featuring the “W” signature
Case back: Sapphire crystal, secured with screws
Distance between lugs: 23 mm
Dial
Chocolate-brown dial with rhodium-plated railings
Open-work on the Tourbillon carriage at 6 o’clock and
on the power reserve at 9 o’clock
Railroad indicating the minutes
18-carat rose gold applique with the “W” logo at 12 o’clock
Hands: Hours and minutes: open-worked hands in the shape of double- edged swords
Water-resistance: 30 metres
Wristband
Bracelet: Semi-matt brown alligator leather strap
Buckle: 18-carat rose gold triple blade folding clasp, polished, “W” signature

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