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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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Click, to see the large size. ▶ BIG FOTO 
Click, to see the large size. ▶ BIG FOTO 
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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Click, to see the large size. ▶ BIG FOTO 
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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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 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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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)
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
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
🔴 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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www.facebook.com - Christiaan.van.der.Klaauw
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www.klaauw.com



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