5402SA (steel and yellow gold)
Royal Oak Jumbo 5402 — 5402SA (steel and yellow gold)
1977–c. 1990
Steel case and links with a yellow-gold bezel and studs; slate-grey dial with yellow-gold markers, hands and monogram. Unchanged in the catalogue 1978–1985. Late-1970s dials without Tapisserie also exist.
876 sold 1977–2002 (299 in 1978); numbers 1–951.
Identifying details
Variants of 5402
Reference overview →| Variant | Production |
|---|---|
| 5402ST A-Series | 1972–c. 1976 |
| 5402ST A-Series · Steel bezel screws (earliest examples) | c. 1972 |
| 5402ST without small number (Intermediate series) | 1974–c. 1976 |
| 5402ST B-Series | 1975–c. 1977 |
Case & movement
- Reference
- 5402
- Production
- 1977–c. 1990
- Case serials
- c. 1–951Look up Audemars Piguet serial numbers
- Case material
- Two-tone
- Case diameter
- 39 mm
- Water resistance
- 100 m
- Crystal
- Sapphire
- Movement
- Automatic
More specifications (2)
Movement
Audemars Piguet 2121
Date version of the 2120, introduced in October 1970 in model 5381 and chosen for the first Royal Oak in 1972; at the time the thinnest automatic with central rotor and date. Ébauche from LeCoultre & Cie until about 2002, then made by AP; replaced by the 7121 in 2022.
Automatic · Introduced 1970 · 19,800 vph · 36 jewels · 40 h reserve · Ø 28 mm · 3.05 mm thick