
Wristwatches · Wristwatch
Heuer Carrera Dato 12 Ref 3147 Tropical, 1960s
- Maker / attribution
- Heuer (maker)
- Date
- 1960s
- Historical period
- Modern Mechanical Horology (1945 – 1969)
- Country of origin
- Switzerland
- Object type
- Wristwatch
- Dimensions
- Case 35 mm
- Stock no.
- W-855
- Credit line
- Dealer listing, Bulang & Sons (W-855)
- Catalogue title (original)
- Heuer Carrera Dato 12 Ref 3147 Tropical (English)
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Record summary
Catalogued by Bulang & Sons (dealer), Copenhagen (stock number W-855), this is a wristwatch by Heuer, made in Switzerland, dated 1960s. The Atlas places it in the Modern Mechanical Horology period (1945 – 1969) of its Wristwatches collection. Recorded dimensions: Case 35 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
The Tropical with Red Splash Heuer Chrono This is a beautiful and striking chronograph that won’t disappoint any vintage Heuer fan or vintage chrono lovers in general. The black dial on this Heuer Chrono 12 has turned a wonderful shade of brown over the years; a phenomenon known as turning tropical. The brown dial is then punctuated with a splash of red via the all-red date wheel, which is unusually displayed at 12 o’clock. The printing on the dial is in silver and remains crisp. The dial features an outer white seconds track and white chronograph hands. The steel case remains in great condition all round, with strong lugs. The watch features pump pusher chronograph buttons. The manual-wind Landeron 189 movement has been fully serviced by our watchmaker. Specifications - Heuer Carrera Dato 12 Reference 3147 - Dates to the 1960s - 35mm steel case - Tropical dial - Red date wheel - Landeron 189 manual wind movement - Will come on a Bulang and Sons strap - Fully serviced by our watchmaker - Includes a handmade single leather watch pouch
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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