Audemars Piguet
Audemars Piguet Royal Oak Offshore Tourbillon Chronograph 45 25th Anniversary 26421OR.OO.A002CA.01
The Audemars Piguet Royal Oak Offshore Tourbillon Chronograph 45 25th Anniversary (reference 26421OR.OO.A002CA.01) is a 45 mm 18k pink gold watch. It runs on the manual caliber 2947 and is water resistant to 100 m.
Specifications
Case
- Reference
- 26421OR.OO.A002CA.01
- Collection
- Royal Oak Offshore
- Case size
- 45 mm
- Thickness
- 16.1 mm
- Case material
- 18k pink gold
- Crystal
- Sapphire
- Water resistance
- 100 m
Movement
- Movement
- Manual
- Caliber
- 2947
- Functions
- Tourbillon, Chronograph (column wheel)
Production
- Production
- Limited
- Limited edition
- 50 pieces
Dial versions
This reference was made with these dials and finishes.
26421OR.OO.A002CA.01
Openworked / skeleton dial
How it compares within the Royal Oak Offshore family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| 26421OR.OO.A002CA.01 (This watch) | 45 mm | 18k pink gold | — | 2947 | — |
| 15720ST.OO.A403CA.01 | 42 mm | Stainless steel | Abyssal blue | 4308 | 2026– |
| 26238CD.OO.1300CD.01 | 42 mm | Ceramic / titanium | Blue | 4404 | 2025– |
| 26238ST.OO.A001VE.01 | 42 mm | Stainless steel | Silver | 4404 | 2026– |
| 26238ST.OO.A001VE.02 | 42 mm | Stainless steel | Black | 4404 | 2026– |
| 26238TI.OO.A001VE.01 | 42 mm | Titanium | Grey | 4404 | 2026– |
| 26420CD.OO.A029VE.01 | 43 mm | Titanium / blue ceramic | Beige | 4401 | 2026– |
| 26420IO.OO.A402CA.01 | 43 mm | Titanium / black ceramic | Green | 4401 | 2026– |
| 26622FO.OO.D700VE.01 | 43 mm | Titanium / ceramic / forged carbon | Red | 2967 | 2026– |
About the Royal Oak Offshore family
The Royal Oak Offshore was introduced in 1993, designed by Emmanuel Gueit as a larger, more robust version of the Royal Oak. The first chronograph, ref. 25721, had a 42 mm case and rubber-clad pushers and crown, and its size was unusual for the time.
The line went on to include the 42 mm and 44 mm chronographs, divers with an internal rotating bezel, such as ref. 15720, and many models in ceramic, titanium, forged carbon and gold. Recent chronographs use in-house calibers such as the 4401 flyback in the 43 mm ref. 26420. Dealers note case size, material and strap, and the condition of rubber parts, which often need replacing at service.
Quick answers
- What size is the Audemars Piguet Royal Oak Offshore Tourbillon Chronograph 45 25th Anniversary 26421OR.OO.A002CA.01?
- The Audemars Piguet Royal Oak Offshore Tourbillon Chronograph 45 25th Anniversary 26421OR.OO.A002CA.01 has a 45 mm case, 16.1 mm thick.
- What movement does the Audemars Piguet Royal Oak Offshore Tourbillon Chronograph 45 25th Anniversary 26421OR.OO.A002CA.01 use?
- It uses the manual caliber 2947.
- How water resistant is the Audemars Piguet Royal Oak Offshore Tourbillon Chronograph 45 25th Anniversary 26421OR.OO.A002CA.01?
- It is water resistant to 100 metres.
- Is the Audemars Piguet Royal Oak Offshore Tourbillon Chronograph 45 25th Anniversary 26421OR.OO.A002CA.01 still in production?
- Limited.
- What is the Audemars Piguet Royal Oak Offshore Tourbillon Chronograph 45 25th Anniversary 26421OR.OO.A002CA.01 made of?
- The case is 18k pink gold.
Catalog facts checked October 2026.