Wristwatches · Wristwatch
Wakmann Triple Calendar Chronograph (Ref. 1315.30.74) "Jumbo", 1970s
- Maker / attribution
- Wakmann (maker)
- Date
- 1970s
- Historical period
- Quartz Revolution (1969 – 1990)
- Country of origin
- Unrecorded in source
- Object type
- Wristwatch
- Dimensions
- Case 39 mm
- Stock no.
- WKM13153074
- Credit line
- Dealer listing, Craft & Tailored (WKM13153074)
- Catalogue title (original)
- 1970s Wakmann Triple Calendar Chronograph (Ref. 1315.30.74) "Jumbo" (English)
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Record summary
Catalogued by Craft & Tailored (dealer), Los Angeles (stock number WKM13153074), this is a wristwatch by Wakmann, dated 1970s. The Atlas places it in the Quartz Revolution period (1969 – 1990) of its Wristwatches collection. Recorded dimensions: Case 39 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 — Craft & Tailored
Poised and ready to turn heads, this oversized Wakmann Triple Calendar Chronograph features numerous complications in a strategic dial layout to maximize legibility and aesthetics thanks to its striking yet simple color palette and reverse panda dial. The 39 mm case wears extremely well and holds up well to modern sizing standards while maintaining its vintage appeal. The Valjoux cal. 730 movement is based on the famous Valjoux cal. 72 and remains just as reliable and consistent. Stock # WKM13153074 Brand Wakmann Style Triple Calendar Chronograph Model 1315.30.74 Serial N/A Size Men's Material Stainless Steel Dial Black "Reverse Panda" Millimeters 39mm Bracelet 2pc Handmade Leather Strap CASE & BRACELET The jumbo stainless steel case retains sharp factory lines and is believed to remain in unpolished condition featuring light signs of use. The case retains its original pump pushers and Wakmann signed crown. The original case back engravings remain crisp and in excellent condition. The watch will come supplied on a 2pc handmade leather strap. DIAL & HANDS The reverse panda matte black dial stepped dial is in exceptionally well-preserved condition, exhibiting only very minimal signs of age. The white sub-dials remain bright white and in perfect condition. All of the hands remain original to the watch and the lumed cigarette-style hands to a handsome creamy yellow coloration and exhibit no degradation when inspected under U.V. light. ACCESSORIES
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
Chronographs and split-seconds watches
A chronograph is a watch with an additional seconds hand that can be started, stopped and returned to zero independently of the timekeeping. Louis Moinet built an early example in 1816 and Nicolas Rieussec a recording 'chronographe' in 1821; Adolphe Nicole's heart-shaped reset cam (patented 1862) made the modern return-to-zero possible. Split-seconds (rattrapante) chronographs add a second hand that can be stopped for intermediate times; flyback chronographs restart instantly.
Chronographs were essential tools for doctors (pulsometer scales), artillery (telemeter), engineers and sport. In wristwatches, Valjoux, Venus, Lemania and later the automatic chronographs of 1969 (Zenith El Primero, the Chronomatic Calibre 11 group and Seiko 6139) are milestones.
What to look for
- Push-pieces on the case band or a single button in the crown (monopusher).
- Subsidiary registers for minutes and hours; tachymeter, telemeter or pulsometer scales.
- Column wheel versus cam control visible in the movement.
- Calibre markings of specialist makers (Valjoux, Lemania, Venus, Landeron).
Dating clues
- Pocket chronographs with heart cam reset: after 1862.
- Wrist chronographs: from c. 1910; two-button designs from the 1930s.
- Automatic chronographs: from 1969.
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.
Read next:Flyback chronographChronograph
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