
Historiques
American 1921
1100S/000R-B430 36.5 x 36.5 mm Pink Gold
American 1921 1100S/000R-B430
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.
In a spirit very close to the original, this iconic watch in 18K 5N pink gold reinterprets a model launched in 1921 specifically designed for the American market during the Roaring Twenties. It is distinguished by its diagonal reading, allowing the time to be read without turning the wrist, as well as by its crown boldly placed between 1 and 2 o’clock. Its manual-winding movement offers a power reserve of nearly 3 days. Its case with a width of 36.50 millimeters lends itself perfectly to all types of wrist.












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 36.5 x 36.5 mm
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Thickness 7.41 mm
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Water-resistance 3 bar (30 m)
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Case back Transparent sapphire crystal caseback
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Dial description Grained silver-toned dial. Small seconds at 3 o'clock. 18K gold blackened slender open-tipped hour/minute hands. Black painted Arabic numerals and railway minute-track.
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Number of bracelets 2
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Material of the bracelets Alligator leather (Red), Alligator leather (Brown)
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Buckle type Ardillon buckle
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Buckle material 18K pink gold
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Watch country of origin Switzerland
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Certification Hallmark Of Geneva
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Reference 4400 AS
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Energy Manual-winding
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Functions Minutes, Hours, Small seconds
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Diameter 28.6 mm
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Thickness 2.8 mm
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Number of parts 127
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Number of jewels 21
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Power reserve 65 h
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Frequency 28800 V.P.H. (4 Hz)