ARNOLD & SON – ULTRATHIN TOURBILLON Skeleton Edition

ARNOLD & SON – ULTRATHIN TOURBILLON Skeleton Platinum/Red Gold Limited Edition - 2024

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 The finesse of curves

With its graceful curves and wide apertures, Ultrathin Tourbillon Skeleton also stands out for its slimness. Its new case, with a diameter of 41.5 mm and a thickness of 8.4 mm, presents the flying tourbillon calibre in its purest expression. 

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The Ultrathin Tourbillon Skeleton collection, adorned in red gold or platinum, is issued in two limited series featuring 28 watches apiece.

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Arnold & Son continues its tour of the Ultrathin Tourbillon collection. The A&S8320 calibre unveils its curves, apertures and details within a 41.5 mm case in either red gold (5N) or platinum (PT 950), each released in a run of 28 timepieces. 

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Encased in this precious housing, Arnold & Son’s flying tourbillon stands out for its finesse and precision.

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Finesse, because at just 3.3 mm thick, it is one of the slimmest skeleton tourbillon calibres in existence. Precision, because this one-minute flying tourbillon is assembled with a variable-inertia balance for enhanced calibration stability.

Radiating originality

The purpose of a skeleton is to convey a message, be it geometric, generic or minimal. 

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For Ultrathin Tourbillon Skeleton, the skeletonisation of the calibre reveals pronounced curves and numerous inflection points that are highlighted by an original finish. 

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On both the Ultrathin Tourbillon Skeleton Red Gold and Platinum, the bridges are treated with rose-gold PVD (4N) after being decorated with radiating Côtes de Genève stripes.

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The flange around the calibre adopts this same finish, clearly revealing the Arnold & Son signature at 6 o’clock and enabling the off-centred white opal dial to be displayed in its purest form.

Golden carriage

At the heart of Ultrathin Tourbillon Skeleton beats the A&S8320 calibre, whose architecture and slimness are its principal protagonists. Designed without an upper bridge to minimise its thickness, the calibre is classed as a flying tourbillon.

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The variable-inertia balance with inertia blocks ensures more precise calibration over time. The slender triangular carriage is supported by a double arrow, which is actually a counterpoise. 

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The arrowhead on the staff of the escape wheel serves as a seconds pointer, as the carriage completes one rotation per minute.

Performance reserve

The changes to the tourbillon carriage and regulating organ give the A&S8320 calibre a power reserve of 100 hours. 

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While this is a larger power reserve than for standard tourbillons, particularly slim ones, it is entirely in line with the performance regularly achieved by Arnold & Son calibres.

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TECHNICAL SPECIFICATIONS

Collection:  ULTRATHIN TOURBILLON

Model:  ULTRATHIN TOURBILLON Skeleton Edition

• Red gold: 1UTBR.Z01A.C246R, 28 timepieces – CHF 74,400 incl. tax (subject to change)

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• Platinum: 1UTBX.Z01A.C245X, 28 timepieces – CHF 86,200 incl. tax (subject to change)

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 Movement 
Calibre  A&S8320, 1 minute flying tourbillon, manual winding 
Jewels  29 
Diameter  32.00 mm Thickness  3.30 mm 
Power reserve  100 hours 
Frequency 3 Hz / 21,600 vph 
Finishes:   

• mainplate: skeletonised, rose-gold PVD treatment (4N), Côtes de Genève stripes radiating from the centre
• bridges: skeletonised, rose-gold PVD treatment (4N), polished and chamfered by hand, Côtes de Genève stripes radiating from the centre
• wheels: circular satin-finished
• screws: blued and chamfered, mirror-polished heads
• tourbillon carriage: ‘Arnold & Son’ signature, polished, satin-finished and chamfered by hand

Functions hours, minutes
Dial 
Skeleton - White opal Gold powder mixed with coloured aluminium sparkles  
flange: coloured and circular satin-finished
Hour dial 
base: white mother-of-pearl, domed 
ring: rhodium-plated or with 4N gold plating
Case 
Material  18-carat (5N) red gold or Pt950 platinum 
Diameter  41.50 mm 
Thickness  8.40 mm (with crystal) 
Crystal  domed sapphire with an anti-reflective coating on both sides
Case back  sapphire crystal, with an anti-reflective coating 
Water-resistance 3 bar (30 metres /100 feet)
Strap 
Material 
Red gold: blue alligator leather, black alligator leather lining, hand-stitched
Platinum: brown alligator leather, black alligator leather lining, hand-stitched
Clasp: folding clasp in titanium with cover in 18-carat (5N) red gold or platinum (PT 950)

 🔰 Limited editions 28 timepieces released of each model 

🔴 Swiss retail prices Red gold: CHF 74,400 including taxes (subject to change) Platinum: CHF 86,200 including taxes (subject to change) 💰

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ARNOLD & SON – TIME PYRAMID Gold & Platinum Edition

 

ARNOLD & SON – TIME PYRAMID Red Gold & Platinum Vertical Time Edition 2023

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Arnold & Son continues to reflect on its most iconic and classic collections. Time Pyramid, with its unique appearance and structure, has been elegantly revisited. With a fully redesigned case in a new diameter of 42.5 mm, a blue aventurine glass case back and a white opal minutes circle, the 

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Time Pyramid collection is also brought to life through materials. Red gold (5N) and platinum (PT950) offer precious alternatives, with each colour duplicated on the rim of the hours and minutes dial. With its contrasts, its play on transparency and sense of depth and symmetry, Time Pyramid 42.5 explores every creative field in watchmaking to assert its distinction.

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Our conception of time is often either linear or cyclical. A vertical alignment is not part of our mental landscape. And yet, it is this vision that Arnold & Son has chosen to portray on Time Pyramid. Inspired by the creations of John Arnold and his British peers, it revives a clock shape that was fashionable in the 1830s. 

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By arranging the movement’s organs from top to bottom instead of in a circle, Arnold & Son goes beyond the chronometric horizon to achieve an unparalleled feat of design.

Design

In creating Time Pyramid, Arnold & Son has revisited, adapted and extended clockmaking codes. Devoid of a full-sized dial, this wristwatch reveals a skeletonised movement in the shape of a pyramid. Alternatively, it can be seen as taking the form of an anchor, recalling the Arnold & Son logo and making direct reference to John Arnold’s title as watchmaker for the Royal Navy.

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In the new case, with a diameter of 42.5 mm, a thickness of 10.72 mm, and in a choice of either red gold (5N) or platinum (PT950), the distinct features of Time Pyramid’s movement stand out. Its crown at 6 o’clock remains unique in the world of watchmaking, as does its baroque approach to symmetry.

Case back

The expression ‘open-air’ applies literally here, as the glass used for the case-back offers yet another new interpretation by Arnold & Son. 

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  Neither transparent nor opaque, it is composed of an extremely thin disc of aventurine glass in what constitutes a first for this iconic material.

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Constellated with copper inclusions, aventurine glass originated in the region of Venice, which is renowned for its glass-making culture. 

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It is said to have been discovered by accident when a workman dropped some copper filings into a vat of molten glass. One cooled and cut, the dazzling ‘all’avventura’ glass revealed a myriad of sparkles. 

Light

Arnold & Son has chosen to use this decorated glass as a backdrop for its Time Pyramid. This backdrop allows the light to filter through when the watch is not being worn, revealing interplays of transparency and colour.

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The interaction of reflections is just as strong on the dial, where alternating gold-plated and NAC-treated (anthracite) finishes showcase the Côtes de Genève stripes. The subtle glimpse it offers of the two barrels’ bridges reinforces the powerful and omnipresent sense of symmetry that underpins Time Pyramid.

Structure

The movement driving Time Pyramid is displayed for all to see. The case’s wide opening and slender bezel showcase the movement’s mechanical arrangement, while the screw balance sits majestically at 12 o’clock. 

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Below, the gear train highlights an array of finishes that include hand chamfering, satin-finished and sunray-brushed wheels, snailed barrels and blued screws. The calibre’s structure then splits in two beneath a ring in white opal – the signature stone of Arnold & Son’s off-centred dials.

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On either side of the encircled dial, two power-reserve indicators mirror one other, indicating the same information and reflecting the two barrels that power the calibre A&S1615 just a few millimetres below the surface. 

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Fully developed, machined, assembled and adjusted at the Manufacture, it can operate for 90 hours without rewinding.

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TECHNICAL SPECIFICATIONS

Collection:  TIME PYRAMID

Model:  TIME PYRAMID Red Gold & Platinum Edition

References

• Red Gold: 1TPER.W01A.C153A

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Platinum: 1TPEX.W01A.C153X  

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 Movement

Calibre  A&S1615 with manual winding
Jewels  27
Diameter  37.60 mm
Thickness  4.40 mm
Power reserve  90 hours
Frequency  3 Hz/21,600 vph
Finishes
mainplate: NAC-treated, satin-finished
bridges: NAC-treated, hand-chamfered, vertical Côtes de Genève stripes
wheels: gold-plated, circular satin-finish
screws: blued and chamfered, mirror-polished heads
Hours dial  white opal  

Functions   hours, minutes, seconds, double power reserve
Dial 
Hours on a white opal disc, minutes on a rhodium plated ring
Case
Material  18-carat (5N) red gold or platinum (PT 950)
Diameter  42.5 mm
Thickness  10.72 mm (with crystal)
Crystal  domed sapphire with an anti-reflective coating on both sides
Case back  blue aventurine glass lined with a sapphire crystal, anti-reflective coating
Water resistance  3 bar (30 metres/100 feet)
Strap
Material  blue alligator leather, black calfskin lining, hand-stitched
Buckle  pin buckle, 18-carat (5N) red gold or platinum (PT 950)

Limited edition

• red gold: 88 timepieces
• platinum: 38 timepieces 

🔴Swiss retail price

• Red Gold: CHF 43,000 incl. tax (subject to change)
• Platinum: CHF 54,900 incl. tax (subject to change)

#ARNOLDandSON; #TIMEYRAMID; #CalibreA&S1615; #VerticalTime; #Platinum; #RedGold

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Press releases - 2023
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Marketing & Sales
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CH – 2300 La Chaux-de-Fonds
Switzerland
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ARNOLD & SON – PERPETUAL MOON 41.5 Platinum “Celestial Blue” Edition

 

ARNOLD & SON – PERPETUAL MOON 41,5 Platinum “Celestial Blue” Edition 2023

 
The cold shimmer of a starry night. The diaphanous presence of a large mother-of-pearl moon. The pale gleam of platinum. Perpetual Moon 41.5 Platinum “celestial blue” is expanding the collection’s different variations on the largest astronomical moon. Every part of this piece evokes the radiance of the night, from the dial stamped with the House’s “Stellar Rays” decor to the moon disc in a grained sky and the navy-blue alligator-leather strap. 

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Arnold & Son continues to explore the theme of moon phases with a constant eye for detail and decoration. After revisiting the design of the Perpetual Moon, this celestial-blue version is joining the collection. As always, in the backdrop, the moon-phase complication is accentuated to striking effect. In a platinum case measuring 41.5 mm in diameter and 11.30 mm thick, Perpetual Moon 41.5 Platinum “celestial blue” presents the largest of all moons.

Delicacy

This edition showcases the latest characteristics of the Perpetual Moon collection, substantially redesigned to achieve greater refinement and subtlety. The lugs have been simplified and refined. Instead of their original cross shape, they now present a tauter form of plunging bars with bevelled ends. 

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They form a single piece with the case middle, in terms of both their construction and appearance. After remaining at 42 mm for a long time, the case has been slightly reduced to 41.5 mm without altering the dial opening, giving a slimmer bezel instead. As a result, the eye is drawn in towards the dial, its finishes, its immense moon and its dominant pale-blue shade.

Light

The dial is adorned with the “Stellar Rays” finish. Its aesthetic is obtained through skilfully irregular engraving. Various depths and widths of rays are successively combined to create a specific rhythm. Their sequence produces a fluctuating play of light, which is accentuated by the depth created by several layers of transparent lacquer.

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The large white mother-of-pearl moon is realistically rendered with hand-painted shadows and coated with Super-LumiNova. It is placed on a grained sky featuring a midnight-blue PVD treatment. Following the tradition of the Perpetual Moon collection, it is surrounded by the Big Dipper and Cassiopeia constellations, which are also hand-painted and coated with luminescent material.

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The constellations have been chosen as a reference to John Arnold’s history as a maker of naval chronometers. The Big Dipper and Cassiopeia have been used as points of reference since time immemorial. Midway between these easily identifiable constellations is the North Star. Its position inevitably defines the North and its angular altitude, or position in the North-South plane, and allows the distance to the equator, i.e. the latitude, to be estimated. Before instruments for measuring longitude were invented, it was the most reliable way to determine the position of a boat in the middle of the ocean.

Accuracy

On the case back, a secondary indicator allows the moon phase to be adjusted quickly and precisely. The hand-wound calibre that powers it, reference A&S1512, is capable of tracking the development of its segments with exceptional precision. The duration of a complete lunar cycle is 29 days, 12 hours, 44 minutes and 2.8 seconds. Arnold & Son has succeeded in representing it in such a way that it would take 122 years for this movement, if regularly wound, to accumulate a day’s difference between its display and celestial reality.

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Like all Arnold & Son movements, the A&S1512 calibre has been entirely developed, manufactured, decorated, assembled, adjusted and cased at the Manufacture in La Chaux-de-Fonds. The calibre features two barrels and an oscillating frequency of 3 Hz, providing a power reserve of 90 hours.

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TECHNICAL SPECIFICATIONS

Collection:  PERPETUAL MOON

Model:  PERPETUAL MOON 41.5 Platinum “Celestial Blue” Edition

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Reference 1GLBX.U01A.C200X


Movement
    Calibre A&S1512, hand-wound mechanical
    Jewels: 27
    Diameter:34 mm
    Depth: 5.35 mm
    Power reserve: 90 hours
    Frequency: 3 Hz / 21,600 vibrations/h
    Finishes
            main plate: rhodium-finished, Côtes de Genève stripes radiating from the centre
            bridges: polished and chamfered
            wheels: circular satin-finished
            screws: blued and chamfered, polished heads
            second moon-phase indication: rhodium-finished and circular-grained

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 Functions
    Hours, minutes,
    moon-phase indication,
    second moon-phase indication on the back
Dial 
“Stellar Rays” décor, with celestial-blue PVD treatment
Moon phases    sky: grained, with midnight-blue PVD treatment
    constellations: hand-painted, enhanced with Super-LumiNova
    moons: mother-of-pearl discs enhanced with Super-LumiNova, hand-painted details
Case
Vaterial: platinum (Pt 950)
    Diameter: 41,5 mm
    Depth: 11.30 mm
    Crystal: domed sapphire with an anti-reflective coating on both sides
    Case back: sapphire with an anti-reflective coating on the interior
    Water-resistance: 30 m /100 ft
Strap & Buckle
Material: blue alligator-skin with glittering specks, red alligator-skin lining, platinum (Pt950) thread, hand-sewn
Pin buckle, 18 carat white gold
       

Edition
Limited edition of 38 timepieces

Swiss  retail price
CHF 46,000 excl. tax (may be subject to modifications) 

#ARNOLDandSON; #PERPETUALMOON; #CalibreA&S1512; #A&S1512; #EclipseI; #1GLBX.U01A.C200X; #Platinum; #MoonPhases; #AstronomicalMoon

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Press releases - 2023
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Marketing & Sales
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CH – 2300 La Chaux-de-Fonds
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ARNOLD & SON – Globetrotter Platinum Edition

ARNOLD & SON – GLOBETROTTER Platinum World-Time Chronometers 45 mm Limited Edition 2023

 

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The world is made of new horizons

The Earth is our most precious asset. By cladding its Globetrotter in 950 platinum, Arnold & Son continues to bring its unique perspective to time throughout the world. 

 

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The platinum exalts the colour grey, and pays a wonderful tribute to the explorers of the 18th century. Aboard the ships of the British Navy, John Arnold’s chronometers were essential tools for exploring the world, travelling and discovering new horizons.

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The Globetrotter Platinum features a central globe depicting the Northern Hemisphere, spanned by an immense bridge in 18-carat gold. The detail of its openworked design is taken to the extreme. 

 

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Its various elements are either chamfered, polished or satin-finished. This taut-lined arc is the Globetrotter’s visual signature and holds a functional jewel at its centre to mark the axis of universal time.
 

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For the first time ever, the Globetrotter’s 45 mm diameter case is embellished with the most prestigious metal used in watchmaking: 950 platinum.

A blue world

 

Continuing to explore streamlined design, Arnold & Son emphasises the precious, elegant and modern character of its Globetrotter timepiece. 

 

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The appliques indexes on two planes are faceted and crafted from 18-carat gold with a touch of Super-LumiNova. The lower part of the dial encompassing the world map is in mother-of-pearl tinted in graduated shades of blue.
 

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The universal hours ring is in transparent sapphire crystal. Local times are indicated by red arrows pointing to the markers, while world times can be read off by visualising imaginary longitudes from the jewel in the central bridge to the 24-hour ring.

Under a wide bridge

 

The Globetrotter Platinum’s architecturally structured transverse bridge is cut from 18-carat gold. Slender and elegant, it is made from a single piece of metal with an openworked design that has been pushed to the extreme. Its flat parts are polished, its sides satin-finished and its long edges chamfered. 

 

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These types of finish and this level of quality are common practice for all components of Arnold & Son movements. However, this bridge is considerably larger than the parts of a movement and thus required a special degree of precision.

Sculpted hemisphere

 

At 45 mm, the Globetrotter Platinum’s case is impressive. The intensity of its 950 platinum shines out from the wrist. The effect is luxurious and powerful, with unique presence.

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On the globe, America, Eurasia and Africa above the equator are represented with a wealth of detail. This polished and rhodium-plated land mass has been sculpted from a single piece. The relief of the mountain ranges is highlighted by a matt finish. 

 

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The oceans, hand-painted with several layers of lacquer, are given intense depth and radiance by blue pigments enriched with powdered mother-of-pearl. The coastlines, in a lighter shade of blue and enriched with Super-LumiNova, shine at night and further accentuate the relief of this small hand-crafted work of art.

 

 An array of fine watchmaking finishes

 
The Globetrotter Platinum  is equipped with the House’s automatic A&S6022 movement which, like all those produced by Arnold & Son, was entirely developed, manufactured, decorated, assembled, adjusted and cased-up at the brand’s Manufacture in La Chaux-de-Fonds. 

 

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Its 22-carat gold oscillating weight features a skeletonised ‘Clous de Paris’ guilloché motif.

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The A&S6022 movement is also decorated with traditional fine watchmaking motifs: a circular-grained main plate, Côtes de Genève stripes radiating from the centre, satin-finished wheels, polished and chamfered screws. 

 

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It also features a specific NAC finish – a type of plating that uses precious metals similar to platinum. This creates a particularly high-quality anthracite finish that perfectly matches the Globetrotter Platinum’s 950 platinum case, both in terms of colour and character.

 

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TECHNICAL SPECIFICATIONS 

 
Collection   GLOBETROTTER

Model:  GLOBETROTTER Platinum Edition

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References 1WTAX.U02C.C183C - Platinum 45mm

Movement
Caliber:  A&S6022
Manufacture Arnold & Son caliber, self-winding, 29 jewels,
diameter 39 mm, thickness: 6.55 mm without earth and bridge,
14.00 mm with earth and bridge, power reserve 45 h, 28'800 vibrations/h.

 

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Movement decoration:

Mainplate: grey NAC-treated, circular-grained finishes
bridges: Côtes de Genève stripes radiating from centre, hand-polished and chamfered, NAC-treated
wheels: circular satin-brushed and rhodium-plated
screws: bevelled and mirror-polished
oscillating weight: laser-engraved pattern, 22-carat red gold (5N), guilloché
Functions
Hours, minutes, 3D World-time indication on the earth

• 24-hour ring:
  • sapphire crystal with hour decals
    
• Dome of the earth:
  • continents: rhodium-plated and polished with matt mountain range detailing
    
  • oceans: hand-painted, blue lacquer and powdered mother-of-pearl
    
  • shorelines: hand-painted, blue lacquer and powdered mother-of-pearl mixed with Super-LumiNova
    
  • bridge: 18-carat rhodium-plated gold, polished and satin-finished on the sides

Dial

Mother-of-pearl in graduated shades of blue
Three-dimensional appliques in 18-carat rhodium-plated gold with Super-LumiNova

Case
Material: Pt 950 Platinum, diameter 45 mm,
Dome in curved sapphire crystal with an anti-reflective coating on both sides
Thickness: 6.55 mm without earth and bridge, 14.00 mm with earth and bridge.
Water-resistant to 30m / 100 feet
Strap
Hand-stitched blue alligator skin, raspberry-pink alligator-skin lining
Clasp Pt 950 platinum and titanium folding clasp

Limited Edition 28 pieces
 

Worldwide retail price CHF 64,900 - without tax subject to change
 

------------------------------
Press releases - 2023
-----------------------------
------------------------------------------
Marketing & Sales
Boulevard des Eplatures 38
CH – 2300 La Chaux-de-Fonds
Switzerland
info@arnoldandson.com
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