
Wristwatches · Wristwatch
Wristwatch by Zenith, early 1970s
- Maker / attribution
- Zenith (maker)
- Date
- early 1970s
- Historical period
- Quartz Revolution (1969 – 1990)
- Country of origin
- Switzerland
- Object type
- Wristwatch
- Stock no.
- Product 1589622145111
- Credit line
- Dealer listing, Analog/Shift (product 1589622145111)
- Catalogue title (original)
- Zenith A3634 (English)
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Record summary
Catalogued by Analog/Shift (dealer), New York (stock number Product 1589622145111), this is a wristwatch by Zenith, made in Switzerland, dated early 1970s. The Atlas places it in the Quartz Revolution period (1969 – 1990) of its Wristwatches collection. 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 — Analog/Shift
Why We Love It We are lucky enough at Analog/Shift to get our hands on very rare pieces and this Zenith Diver World Timer A3634 is certainly one of them. Dating from the early 1970s, this piece is truly a time capsule; its dial and bezel remain near mint. Rarely seen, its royal blue coloring is truly something to behold. Fitted with the Automatic Zenith Calibre 2562, its a perfect example of Zenith's non-chronograph lineage, and a beauty on the wrist! The Story When you stare at vintage watches all day, you tend to see past the glitz and the glam of the oft-heralded 'icons' and begin to appreciate the understated timepieces that are generally passed over. Take Zenith's non-chronograph line, for example. While many enthusiasts are familiar with contemporary examples from the Swiss manufacture, the early executions are largely overlooked. Zenith has long been acknowledged for producing many, if not all, of their watches in-house - a tradition that persists today. The Le Locle Manufacture, founded in 1865, is still leading the industry in technical innovation, a claim they could fairly state from their earliest days.
Historical context
Quartz Revolution (1969 – 1990)
Seiko's Astron begins mass quartz timekeeping; traditional industries contract sharply.
Quartz and digital watches transformed the market after 1969. Swiss employment collapsed, Japanese and Hong Kong production soared, and the Swatch (1983) helped the Swiss industry recover; mechanical watches survived as luxury goods.
Read the period in the timelineMore wristwatches from this periodEarlier: Modern Mechanical Horology
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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