
Overseas
Moon phase retrograde date
4000V/210A-B911 41 mm Steel
Moon phase retrograde date 4000V/210A-B911
Introduced by the Republic and Canton of Geneva in 1886 as the ultimate standard in excellence and an emblem of Geneva’s fine watchmaking expertise, the Poinçon de Genève or Hallmark of Geneva, is synonymous with provenance, quality craftsmanship and reliability.
At the crossroads between technical sophistication and the pursuit of aesthetic principles, this sporty-elegant steel watch combines an astronomical complication – the precision moon phase – with a true signature of the Maison: the retrograde display. Depicting two gold moons and a star-studded sky, this poetic complication only needs adjusting every 122 years. Thanks to its folding clasp and three straps – steel, leather, and rubber – equipped with a self-interchangeable system, the watch can be personalized according to the owner’s wishes.












Métiers d’Art Tribute to the Quest of Time
A wristwatch complement to the monumental La Quête du Temps
Against a star chart showing the sky over Geneva at Vacheron Constantin’s founding, a golden Astronomer points out the time on a deceptively simple double-retrograde display. Sidereal time and real-time tracking of the constellations on the rear dial bear witness to the true complexity of this anniversary piece.



A Tribute to the Quest of Time
Where history, savoir-faire, and design converge in a masterpiece of Haute Horlogerie

This 270th anniversary piece pays tribute to Vacheron Constantin’s heritage while complementing the Maison’s La Quête du Temps, whose Astronomer the central figure alludes to. The watch also references the 1930 ‘Bras en l’Air’ pocketwatch while showcasing the Maison’s mastery of sophisticated retrograde mechanisms and astronomical displays.

A testament to Vacheron Constantin’s technical expertise, the Manufacture’s new Calibre 3670 represents three years of development and four patent applications. Comprising 512 components, it combines a six-day power reserve with high-frequency operation of 5 Hz, powering a double retrograde display with a choice of on-demand or continuous operation.

The design blends traditional artistry with innovative techniques and materials. Standing before the sky above Geneva as it looked on 17 September, 1755, the dial’s golden figure titanium figure, like the realistic 3D moon, is treated with PVD coatings but meticulously finished by hand. Meanwhile the hour and minutes scales are hand crafted in 18k 3N white gold.
Watch Specifications
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Diameter 41 mm
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Thickness 10.48 mm
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Water-resistance 5 bar (50 m)
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Magnetic resistance (“Antimagnetic” marking on the watch case back) Yes
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Case back Transparent sapphire crystal caseback
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Dial description Sunburst satin-finished lacquered blue dial with circular satin-finished internal minutes track and velvet-finished external minutes track. 18K gold moons with a starry sky. Retrograde hand-type date. 18K gold applied hour/minute hands and hour-markers highlighted with blue SuperLuminova®.
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Interchangeability of the bracelet Yes
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Number of bracelets 3
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Material of the bracelets Grained calfskin leather (Dark blue), Rubber (Dark blue)
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Buckle type Triple folding clasp
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Buckle material Stainless steel
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Watch country of origin Switzerland
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Certification Hallmark Of Geneva
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Reference 2460 R31L/2
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Energy Self-winding
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Functions Retrograde hand-type date, Precision moon phase, Minutes, Balance-stop, Hours
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Diameter 27.2 mm
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Thickness 5.4 mm
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Number of parts 275
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Number of jewels 27
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Power reserve 40 h
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Frequency 28800 V.P.H. (4 Hz)