
Wristwatches · Wristwatch
Audemars Piguet Royal Oak 'Jumbo Quartz' (Ref. 56023ST), 1980s
- Maker / attribution
- Audemars Piguet (maker)
- Date
- 1980s
- Historical period
- Quartz Revolution (1969 – 1990)
- Country of origin
- Switzerland
- Object type
- Wristwatch
- Dimensions
- Case 35 mm
- Stock no.
- AP56023ST
- Credit line
- Dealer listing, Craft & Tailored (AP56023ST)
- Catalogue title (original)
- 1980s Audemars Piguet Royal Oak 'Jumbo Quartz' (Ref. 56023ST) (English)
View the source record (dealer listing) ↗ (opens another website in a new tab)Suggest a correction
Record summary
Catalogued by Craft & Tailored (dealer), Los Angeles (stock number AP56023ST), this is a wristwatch by Audemars Piguet, made in Switzerland, dated 1980s. The Atlas places it in the Quartz Revolution period (1969 – 1990) 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 — Craft & Tailored
The Royal Oak was designed by the legendary Gerald Genta for Audemars Piguet in 1972. That original piece, the ref. 5402, was the most expensive steel watch ever made at the time and was the brand's attempt to shake the standards by introducing a luxury watch in steel that was oversized and pushed the boundaries of the current design trends of the era. The risk obviously paid off, as the steel Royal Oak has become an icon that perfectly strikes a balance between utilitarian function and timeless design. Featuring a beautifully finished case and bracelet, with angular, beveled, and polished edges, plus a polished bezel, screws, and case edge that fantastically contrast with the brushed surface of the case and bracelet to make for one of the most intriguing watches to come out of the era. Naturally, the Royal Oak was refined through the 20th century, and in the late 1980s, Audemars Piguet introduced a new line of mid-size Royal Oaks featuring quartz movements. These slightly reduced in size but remarkably wearable models technically measure in at 35mm; however, with the integrated bracelet and overall very long mid-case design, they retain the classic substantiality one would expect from a Royal Oak. SPECS Stock # AP56023ST Brand Audemars Piguet Style Royal Oak 'Quartz' Model 56023ST Serial Nº 8XX Size Men's / Unisex Material Stainless Steel Dial Black Tapisserie Millimeters 35 Bracelet Audemars Piguet Integrated Bracelet CASE & BRACELET The excellent case remains very crisp and well-preserved, showing sharp bezels and finishing throughout with minimal evidence of previous polishing present. The original octagonal bezel also remains very crisp and well-proportioned condition, exhibiting nominal signs of previous use. The case retains its original, AP-signed crown. The case back is also in excellent condition, with deep factory engravings. The integrated bracelet exhibits almost no stretch and will fit up to a 6 3/4-inch wrist. DIAL & HANDS The original black tapisserie dial is simply stunning and remains in virtually perfect condition. The tritium lume filled markers feature a lovely tan patina and display no degradation when inspected under UV light. The original tritium hands are also in excellent condition, the minute hand does exhibit some superficial cracking when inspected under UV light though it remains stable with no actual degradation is present, and the hour hand remains fully intact. ACCESSORIES None. The watch just received a new battery and is keeping time perfectly.
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
Quartz, digital and electronic watches
Electronic watches arrived in three steps. The Hamilton Electric 500 (1957) was the first battery-powered wristwatch, still with a balance; Bulova's Accutron (1960) used a tuning fork. On 25 December 1969 Seiko released the Astron 35SQ, the first quartz wristwatch, closely followed by the Swiss Beta 21 group. In 1972 Hamilton's Pulsar introduced the LED digital watch, and LCD displays soon made digital watches cheap.
The 'Quartz Crisis' that followed devastated the Swiss mechanical industry, which lost two-thirds of its workforce between 1970 and 1984 before recovering with the Swatch (1983) and the luxury mechanical revival. Solar, radio-controlled, kinetic and connected smartwatches continue the electronic line.
What to look for
- Battery hatch in the case back and calibre markings with 'Quartz' or a crystal frequency.
- Display technology: LED (red, push-button) versus LCD (always-on).
- Tuning-fork hum and a smoothly sweeping seconds hand on Accutrons.
- Model and reference numbers, often printed on the back.
Dating clues
- Electric balance watches: from 1957.
- Tuning-fork watches: 1960–c. 1977.
- Quartz analogue: from December 1969; LED digital: 1972–c. 1978; LCD from 1973.
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:Seiko calibre 35A (Astron)
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