
Wristwatches · Wristwatch
Vacheron Constantin Square “Chevalet” or "Cabriolet" in 18K Yellow Gold Ref. 6665 Dress Watch, late 1960s
- Maker / attribution
- Vacheron Constantin (maker)
- Date
- late 1960s
- Historical period
- Modern Mechanical Horology (1945 – 1969)
- Country of origin
- Switzerland
- Object type
- Wristwatch
- Materials / technique
- 18k yellow gold
- Dimensions
- Case 30 mm
- Stock no.
- W-3180
- Credit line
- Dealer listing, Bulang & Sons (W-3180)
- Catalogue title (original)
- Vacheron Constantin Square “Chevalet” or "Cabriolet" in 18K Yellow Gold Ref. 6665 Dress Watch (English)
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Record summary
Catalogued by Bulang & Sons (dealer), Copenhagen (stock number W-3180), this is a wristwatch by Vacheron Constantin, made in Switzerland, dated late 1960s. The Atlas places it in the Modern Mechanical Horology period (1945 – 1969) of its Wristwatches collection. Materials and techniques recorded by the source: 18k yellow gold. Recorded dimensions: Case 30 mm. The record is illustrated with 6 photographs.
Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.
Catalogue description
Dealer description — Bulang & Sons
We love bringing you something unusual, and once again, we have a timepiece you may not have seen before! This is a stunning square-cased 18K yellow gold dress watch, measuring 30 x 30mm. It features a refined silvered dial, elegant Dauphine hands, and a charming subsidiary seconds subdial at 6 o’clock. But the true showstopper here is the hinged case—a hidden central section allows the watch to transform into a desk or bedside clock. How cool is that?! Now, the nickname Cabriolet makes perfect sense! Fitted with an original Vacheron Constantin leather strap and an 18K VC pin buckle, this rare timepiece is powered by the ultra-thin hand-wound Caliber 9K 1001, which has been fully serviced by our watchmaker. We love this rare conversation piece—it has a romantic charm, and dare we say this Cabriolet case could even be considered a complication? Get in touch to make it yours! Specifications: - Vacheron Constantin Square Dress Watch, Ref. 6665 "Chevalet" - 30 x 30mm yellow gold hinged case ("Cabriolet") - Case Serial: 394xxx / Movement No: 577xxx, dating to the late 1960s - Silver dial with small seconds, no lume, Dauphine hands - Doubles as a desk clock - Hand-wound Caliber 9K 1001 - Comes on an original Vacheron Constantin strap with 18K gold pin buckle - Fully serviced by our watchmaker
Historical context
Modern Mechanical Horology (1945 – 1969)
Tool watches for divers, pilots and astronauts; electric watches anticipate the electronic age.
The classic era of the mechanical wristwatch: dive watches, chronographs for motor racing and space flight, GMT watches for jet travel, slim dress watches, automatic calendars, and the rise of Japanese manufacturers alongside Swiss, American, German and Soviet industries.
Read the period in the timelineMore wristwatches from this periodEarlier: Golden Age of Mechanical Watchmaking
Atlas type guide
Wristwatches
Bracelet watches were worn by women from the early nineteenth century — Breguet made one for Caroline Murat, Queen of Naples, in 1810–12 — but the wristwatch only became a man's instrument with military use and aviation in the early twentieth century. Between the World Wars it overtook the pocket watch; the 1920s and 1930s brought rectangular Art Deco cases, water-resistant cases and the first automatic winding systems.
After 1945 the wristwatch became a carrier of identity — dress watches, sports and dive watches, chronographs, calendars — produced by Swiss, American, Japanese, German, Soviet and Chinese industries. The quartz revolution after 1969 and the mechanical renaissance since the 1990s, including the rise of independent watchmakers, complete the story.
What to look for
- The reference number (between the lugs or inside the case back) and serial number, the starting point for dating.
- The calibre: its maker and number are often stamped under the dial or on the bridge.
- Originality of dial, hands and crown — refinished ('redial') dials are common.
- Case material marks: 18K/750, 14K/585, stainless steel, gold-filled, plated.
Dating clues
- Wire-lug cases: before c. 1925.
- Water-resistant screw-down cases: from 1926.
- Quartz movements: from 1969; sapphire crystals widespread after c. 1980.
General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.
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