Christiaan van der Klaauw x Revolution Grand Planetarium Eccentric Si14 (Silicium) Edition

 

Christiaan Van Der Klaauw x Revolution – Astronomical Masterpieces CVDK Planetarium ‘Grand Planetarium Eccentric Si14’ Hardened Steel 44mm Case Edition - 2026

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With a dial cut from iridescent silicon and planets rendered in luminous paint, the CVDK × Revolution Grand Planetarium Eccentric Si14 (Silicium) turns celestial mechanics into a shifting theater of the night.

Astronomical complications represent one of the most expansive and satisfyingly rich areas of watchmaking. The most evocative of them all are mechanical planetariums, or orreries.

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Wristwatch planetariums are exceedingly rare and rarely kept in continuous production. The single foremost exponent of this art today is none other than Christiaan van der Klaauw.

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Our latest collaboration with the brand is the CVDK × Revolution Grand Planetarium Eccentric Si14 (Silicium), limited to six pieces and based on a model first introduced in 2024 to mark the 50th anniversary of CVDK. The Grand Planetarium Eccentric Si14 (Silicium) is the first and only mechanical wristwatch capable of displaying the real-time orbits of all eight planets in our Solar System, from Mercury all the way out to Neptune.

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The case of the CVDK × Revolution Grand Planetarium Eccentric Si14 (Silicium) is machined from 316L stainless steel and then subjected to low-temperature carbon diffusion, a process that raises surface hardness to roughly 1,200 Vickers — about six times that of untreated steel.

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The case is finished with bead-blasting, giving it a matte, gray-toned surface that diffuses light. It measures 44mm wide and 14.3mm high; much of the height is a direct consequence of the complex astronomical module beneath.

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To evoke the cosmos, the dial is made from nine separate pieces of oxidized silicon which gives it an iridescent surface that shifts between deep blue and violet depending on how the light strikes it.

The planets are painted by hand in Super-LumiNova by the maison’s master watchmaker.

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Notably, small engraved luminous markings indicate the orbital period of each planet: Mercury completes its orbit in 87.97 days, Venus in 224.70 days, Earth in 365.24 days and Mars in 686.98 days, while the outer planets move on a far more patient scale, with Jupiter taking 11.86 years, Saturn 29.46 years, Uranus 84.02 years and Neptune 164.80 years to circle the Sun. Even the Earth’s Moon is represented on the dial right next to Earth.

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The raised colored segments on the paths themselves are also luminous, and it all makes for a spectacular miniature light show of the cosmos.

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The Grand Planetarium Eccentric Si14 (Silicium) also includes an outer zodiac scale, read via a blue triangular indicator positioned opposite Earth. The indicator reveals the portion of the zodiac in which the Sun appears from Earth at any given time of the year.

The wearer can read not only where Earth sits in its orbit, but also which region of the sky the Sun currently occupies. The constellation directly behind the Sun is hidden in daylight, but the one opposite it becomes visible in the night sky.

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 The zodiac scale also provides a rough but functional indication of the current month, since the Sun appears to progress through the 12 zodiac signs, each spanning 30 degrees of the ecliptic, as the Earth advances along its orbit.

The planetarium module was originally conceived by Christiaan van der Klaauw himself. A few months after Pim Koeslag acquired the company in 2022, Van der Klaauw mentioned that he had been working on the concept. Koeslag proposed developing it as a piece to mark the brand’s 50th anniversary.

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In contrast to Van der Klaauw’s most celebrated wristwatch — the CVDK Planetarium — which features the world’s smallest mechanical planetarium measuring just 15mm, the Grand Planetarium Eccentric Si14 (Silicium) spreads the display across the entire dial. Each planet follows a circular track arranged slightly off-center, intended to evoke their elliptical paths around the Sun.

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The module is mounted atop the brand’s proprietary automatic movement, which provides a power reserve of 60 hours. It runs at a frequency of 3Hz and is equipped with a free-sprung balance.

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The movement is visually striking. It is dominated by a gold rotor in the shape of the brand’s logo. Beneath it, the bridges are decorated with a field of stars produced by laser engraving. Each wheel in the going train, along with the balance wheel, is supported by a bridge tipped with a star, forming a depiction of a shooting star with a jewel sitting at the center. The stars themselves are circular grained, and the baseplate is finished with perlage.

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The design and execution both front and back make this an especially romantic watch. Planetarium watches have always occupied a special place in horology.

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They are not especially practical, nor were they ever intended to be, but they capture, within the confines of a watch, a small reflection of the much larger clockwork that governs the heavens. In the CVDK × Revolution Grand Planetarium Eccentric Si14 (Silicium), what was already an intricate mechanical model of the Solar System comes vividly to live when darkness falls.

 It is a reminder perhaps that the universe we observe — its rhythms, its order, its beauty — comes to us written in light.

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TECHNICAL CHARACTERISTICS

Collaboration 🤝Collection: Astronomical Masterpieces

Model:  Christiaan van der Klaauw x Revolution Grand Planetarium Eccentric Si14 (Silicium)

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Case
    Material: Hardened steel with matte finishing, with 1,200 Vickers Hardness (HV)
    Diameter: 44 mm
    Thickness: 14.3 mm
    Glass: Glass box sapphire glass
    Water-resistant to 30 meters
Dial 
    Mirrored oxidised purple Silicium dial
    Hours, minutes, seconds by rotating sun logo in the center, zodiac sign indicator, planetarium displaying all 8 planets with hand-applied SuperLuminova.
Movement
    CDVK Self-winding Calibre CKM-01
    Frequency: 3 Hz, 21'600 vph
    Power reserve of 60 hours

Uni-directional automatic winding, power reserve 60 hours, free sprung hair
spring, variable-inertia balance wheel, 32 Jewels, frequency 21.600 vibrations/hour (3Hz), jeweled swiss lever escapement, star shaped bridges with hand circular finishing,  frosted star decoration with rhodium plating, perlage decoration and rhodium plating on main plate, skeletonized rose gold-plated brass rotor formed in the shape of the CVDK logo, rhodium plated tungsten weight on outside diameter of rotor.
Functions:
Hours, minutes, seconds - by rotating sun logo in the center, date indicator, zodiac sign indicator.
Complication; Eccentric Planetarium; it is the only mechanical Planetarium watch in the world that displays all 8 planets, showing the orbits of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
around the Sun.
Finishing
    Frosted star motif enhanced by rhodium plating, main plate features perlage decoration.
    Star-shaped bridges, finished with hand-applied circular graining
    Skeletonised brass rotor plated in rose gold, shaped in the form of the CDVK logo, with a rhodium-plated tungsten weight.
Strap 
    Canvas leather strap with purple stitch lining

🔰Edition ✅ Only ❱❱❱ 6 Piece
🔴 Price € 157,000 /CHF 145,000 / US $ 160,000💰(excl. taxes)

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Press release - 2026
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Address
Christiaan van der Klaauw b.v.
Businesspark Friesland-West 47
8447 SL Heerenveen
The Netherlands
T +31 (0) 513 - 62-49-06
vanlaar@klaauw.com
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Christiaan Van Der Klaauw – CVDK Planetarium ‘Julie’ Skeleton Titanium - Piece Unique

 

Christiaan Van Der Klaauw – Astronomical Masterpieces CVDK Planetarium ‘Julie’ Skeleton Titanium 40mm Case Meteorite Bezel - Unique Piece - 2025

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 COLLECTION OF THE ATELIER, A UNIQUE PIECE CUSTOMIZED FOR A UNIQUE WATCH COLLECTOR

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Customization on the highest level in the latest masterpiece of haute horlogerie: the Christiaan van der Klaauw Planetarium ‘Julie’. This extraordinary timepiece is crafted based on the very special wishes of a true friend of the Christiaan van der Klaauw brand. 

 

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After brainstorming with CEO and Master Watchmaker Pim Koeslag, the base of his wishes became clear. 

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The watch should be something truly unique and should be a tribute to this collectors young daughter. Now, these ideas have been transformed into an exceptional watch, unitizing the wishes into something never done before on any Christiaan van der Klaauw watch!

AN NEVER SEEN BEFORE FUSION OF CUSTOMIZATION, 
MATERIAL USE AND CRAFTMANSHIP

The Team of Christiaan van der Klaauw Astronomical Watches has meticulously sculpted this timepiece, ensuring that its construction reflects the highest standards of Haute Horlogerie and customization. 

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At the heart of this timepiece lies the Planetarium complication: the smallest mechanical planetarium in the world that accurately displays six planets of our solar system. Mercury, Venus, Earth, Mars, Jupiter and Saturn, moving in real time around the Sun. 

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This breathtaking mechanism captures the celestial dance of our Solar System with unmatched precision, making it a true marvel of both astronomy and watchmaking.

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 However, the entire above described Planetarium module had to be redesigned to be able to fit in the chosen theme of a skeletonized Planetarium. The bridges and main plate of the Planetarium module had to be produced in different shapes to better fit the Shape of the CVDK brand logo, The sun with 12 claws.

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All the bridges had to be cut out and skeletonized. The anglage has no less than 70 inward angles, a proof of the highest form of hand finishing. The hand applied Hindu/Arabic indexes are placed on a transparent sapphire crystal dial, allowing the skeletonized spectacle to be admired.

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The image of the face ‘en profile’ of Julie, the name giver of the watch, is hand engraved by Master Engraver Kees Engelbarts on the barrel. As the barrel is rotating, Julie’s face is engraved twice as a mirror image, to be visible at all times.

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The CKM- 01 movement is also completely customized, its bridges are completely skeletonized and beveled by hand, the movement is housed in an titanium case. The case back is engraved with the text `PIECE UNIQUE` and the bezel is made out of solide meteorite. 

 

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This extraordinary material shaped by the universe itself, 4,6 Billion years old, is older then our earth hand features a unique Widmanstätten pattern, formed over millions of years of slow cooling in space, making it truly one of a kind.

PRECISION ENGINEERING: 

THE CHRISTIAAN VAN DER KLAAUW MANUFACTURE MOVEMENT

Beyond its astronomical artistry, Planetarium ‘Julie’ is a testament to the finest Swiss watchmaking. At its core lies a manufacture movement featuring:

 

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    • Uni-directional automatic winding with a 60-hour power reserve
    • Free-sprung hairspring and variable-inertia balance wheel
    • 32 jewels, operating at 21,600 vibrations per hour (3Hz)
    • Swiss lever escapement with jeweled bearings
    • Hand-finished star-shaped bridges, skeletonized by hand, sand blasted and beveled by hand frosted star, rhodium plating
    • Skeletonized rose gold-plated brass rotor, shaped into the CVDK logo, with a rhodium-plated tungsten weight for optimal efficiency

A UNIQUE PIECE

The Planetarium ‘Julie’ is a unique piece. Christiaan van der Klaauw has been able to produce this one piece with the input of the collector and the dedication of the team of Christiaan van der Klaauw making this timepiece an exceptionally rare, one of a kind, collector’s item. 

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THE COLLECTION OF THE ATELIER

If you have ever dreamt of owning a completely unique astronomical watch, the Collection of the Atelier makes this dream come true. 

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Your personal wishes are used as a grid for our watchmakers to compose your personal watch: the materials, complications, dials, rotors and finish may all be selected in accordance with your personal wishes. 

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Every Christiaan van der Klaauw astronomical watch is rare, but with this collection you will have a chance to own a unique one.

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ABOUT CHRISTIAAN VAN DER KLAAUW

Christiaan van der Klaauw Astronomical Watches is one of the most prestigious watchmaking houses in the Netherlands, specializing in astronomical watches. Founded in 1974, the brand has distinguished itself by its ability to integrate astronomical complications innovatively and artistically into high-precision timepieces.

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TECHNICAL CHARACTERISTICS

Collection: THE ATELIER Astronomical Masterpieces

Model:  ATELIER CVDK Planetarium ‘Julie’ - Unique Piece  

Movement Type: Automatic mechanical
Calibre: CKM-01, completely customized, its bridges are completely skeletonized.
Frequency: 21,600 vibrations per hour (3Hz)

Skeletonized rose gold-plated brass rotor CVDK logo, with a rhodium-plated tungsten weight for optimal efficiency
jewels: 32, twin barrel

Free-sprung hairspring and variable-inertia balance wheel.
Power-reserve; 60 hour max., complication;
CVDK Planetarium module.
Functions
Hours, minutes, complication; date, month, 
Planetarium; the watch is equipped with the smallest mechanical Planetarium in the world,
showing the orbits of Mercury, Venus, Earth, Mars, Jupiter and Saturn moving in real time around the Sun.
Case
Titanium, Ø 40 mm
Sapphire crystal
The case back is engraved with the text `PIECE UNIQUE`
Bezel is made out of solids meteorite.
Dial
Skeleton,
rhodium plated Planetarium with customized colored hand painted planets.
Strap
Black alligator leather.
Buckle: Logo engraved titanium buckle.

🔰Edition ✅Exclusive model - ❱❱❱ Unique piece

🔴 Price 💰On Request💰  

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Press release - 2025
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Address
Christiaan van der Klaauw b.v.
Businesspark Friesland-West 47
8447 SL Heerenveen
The Netherlands
T +31 (0) 513 - 62-49-06
vanlaar@klaauw.com
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--------------------------------------------------------
www.klaauw.com

Christiaan Van Der Klaauw – CVDK Grand Planetarium Eccentric Meteorite Edition

 

Christiaan Van Der Klaauw – Astronomical Masterpieces CVDK Grand Planetarium Eccentric Meteorite Case Exclusive Edition 2025

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 A Star Fragment, Guardian of Time: The Grand Planetarium Eccentric Meteorite

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Time and space converge in the latest masterpiece of haute horlogerie: the Grand Planetarium Eccentric Meteorite. This extraordinary timepiece is crafted from a genuine meteorite fragment—once part of an asteroid’s core, drifting through space for billions of years before falling to Earth 50,000 years ago. Now, this celestial relic has been transformed into an exceptional watch, uniting cosmic heritage with unparalleled horological innovation.

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At the heart of this timepiece lies a groundbreaking complication: the Eccentric Planetarium, the only mechanical Grand Planetary Complication in the world that accurately displays all eight planets—Mercury, Venus, Earth and her Moon, Mars, Jupiter, Saturn, Uranus, and Neptune — moving in real time around the Sun. 

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This breathtaking mechanism captures the celestial dance of our Solar System with unmatched precision, making it a true marvel of both astronomy and watchmaking.

A Celestial Fusion of Science and Art

Master watchmaker Pim Koeslag has meticulously sculpted this timepiece, ensuring that its construction reflects the grandeur of its cosmic origins. 

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The meteorite case, weighing 47 grams, is carefully crafted out of a 1.09 kg space stone. This extraordinary material shaped by the universe itself, features a unique Widmanstätten pattern, formed over millions of years of slow cooling in space, making each case truly one of a kind. 

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The dial is a celestial spectacle in itself: crafted from aventurine glass (goldfluss), it mimics the night sky, complete with zodiac constellations. 

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The Eccentric Planetarium features hand-painted planetary orbits, while the meteorite dial ring, set between Mars and Jupiter, signifies the asteroid belt and contains real fragments of a martian nakhlite meteorite —a piece of another world encased within this exceptional timepiece.

Precision Engineering: The Grand Planetarium Manufacture Movement

Beyond its astronomical artistry, the Grand Planetarium Eccentric Meteorite is a testament to the finest Swiss watchmaking. At its core lies a manufacture movement featuring:

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    • Uni-directional automatic winding with a 60-hour power reserve
    • Free-sprung hairspring and variable-inertia balance wheel
    • 32 jewels, operating at 21,600 vibrations per hour (3Hz)
    • Swiss lever escapement with jeweled bearings
    • Hand-finished star-shaped bridges, adorned with circular graining, frosted star decorations, and rhodium plating
    • Skeletonized rose gold-plated brass rotor, shaped into the CVDK logo, with a rhodium-plated tungsten weight for optimal efficiency

A Timepiece Beyond Time

Encased in domed sapphire crystal, the 44mm meteorite case showcases the celestial ballet within. The sapphire crystal case-back reveals the movement’s intricate craftsmanship, while the dark blue hand-stitched leather strap and platinum folding clasp complete this cosmic masterpiece.

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“The Grand Planetarium Eccentric Meteorite is more than a watch. It is a link between humanity and the cosmos, a way to wear the universe on your wrist,” says Pim Koeslag.

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This timepiece is a tribute to time itself. From a star’s death to an asteroid’s journey, from its fall to Earth to its transformation into an exceptional watch—each second it measures is an echo of the vast cosmic history it carries.

An Exclusive, Limited Edition for Collectors

The Grand Planetarium Eccentric Meteorite is available in a strictly limited edition, with a maximum of 3 pieces, depending on the avaibility and quality of the rough meteorite material. 

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So far, Christiaan van der Klaauw has been able to produce only 2 pieces from the available material, making this timepiece an exceptionally rare collector’s item. This extraordinary creation offers the unique opportunity to own a fragment of a star, forever marking the passage of time.

This extraordinary creation offers the unique opportunity to own a fragment of a star, forever marking the passage of time. 

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TECHNICAL CHARACTERISTICS

Collection: Astronomical Masterpieces

Model: CVDK GRAND PLANETARIUM ECCENTRIC Meteorite Edition

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Manufacture movement: 

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Uni-directional automatic winding, power reserve 60 hours, free sprung hair
spring, variable-inertia balance wheel, 32 Jewels, frequency 21.600 vibrations/hour (3Hz), jeweled swiss lever escapement, star shaped bridges with hand circular finishing,  frosted star decoration with rhodium plating, perlage decoration and rhodium plating on main plate, skeletonized rose gold-plated brass rotor formed in the shape of the CVDK logo, rhodium plated tungsten weight on outside diameter of rotor.
Functions:
Hours, minutes, seconds - by rotating sun logo in the center, date indicator, zodiac sign indicator.
Complication; Eccentric Planetarium; it is the only mechanical Planetarium watch in the world that displays all 8 planets, showing the orbits of Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune — moving in real time around the Sun.
Case
Meteorite ø 44.00 mm
Domed sapphire crystal engraved with signature index
Sapphire crystalcase-back.
Water Resistance 50 Meters
Dial
Aventurine glass (goldfluss) creating a star filled sky with zodiac signs, Eccentric Planetarium with hand painted planets, meteorite dial ring, set between Mars and Jupiter, with real fragments of a martian nakhlite meteorite
Hands Gold-plated hands
Strap
Dark blue hand-stitched leather strap
Buckle: Platinum folding clasp with CVDK logo.

🔰Edition ✅ Only ❱❱❱ 3 Piece

🔴 Price €580,000 / $600,000💰  

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Press release - 2025
----------------------------------------------
Address
Christiaan van der Klaauw b.v.
Businesspark Friesland-West 47
8447 SL Heerenveen
The Netherlands
T +31 (0) 513 - 62-49-06
vanlaar@klaauw.com
-------------------------------------------------------
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www.klaauw.com