25770ST
Royal Oak Offshore 25770 — 25770ST
1996–2016
Steel on strap; from 1997 also in bright colours with matching dial and strap, first made as one-offs for a Royal Oak 25th-anniversary showcase.
2,394 sold 1996–2016; 73 in the first year.
Identifying details
- Octagonal bezel
Eight-sided bezel around a round dial opening.
- Chronograph
Variants of 25770
Reference overview →| Variant | Production |
|---|---|
| 25770STCurrent | 1996–2016 |
| 25770ST · Yellow dial and strap | 1998–2002 |
| 25770ST · Red dial and strap | Undated |
| 25770ST · Turquoise dial and strap | Undated |
Case & movement
- Reference
- 25770
- Production
- 1996–2016
- Case material
- Stainless steel
- Case diameter
- 42 mm
- Water resistance
- 100 m
- Movement
- Automatic
- Date
- Yes
- Caliber
- Audemars Piguet 2126/2840
Dial, bezel & hands
Unknown attributes are left out rather than guessed.
Movement
Audemars Piguet 2126/2840
Automatic chronograph: Jaeger-LeCoultre 889-family base 2126 with a Dubois Dépraz 2840 chronograph module. First used in the “Huitième” 25644 of 1986 and chosen for the first Offshore; from 1997 the high-beat 2226/2840 followed.
Automatic · Introduced 1986 · 21,600 vph · 51 jewels · 42 h reserve · Ø 29.9 mm · 6.15 mm thick