Royal Oak 25636
1986–19976 variants
The first Royal Oak with a fully openworked movement and the first with a sapphire caseback: an openworked 2120/2800SQ behind a sapphire dial with the calendar printed on it, in an 8.8 mm case. Calendar hands blued steel, time hands gold, mostly without lume.
313 sold 1986–1997. More than 200 hours of openworking and engraving per movement.
Variants over time
All recorded years
19851999
1985199019952000
Faded ends mark approximate or unknown dates. Years are as stated by the cited sources.
Variants
Reference specifications
- Brand
- Audemars Piguet
- Model
- Royal Oak
- Reference
- 25636
- Category
- Sport
- Production
- 1986–1997
- Case diameter
- 39 mm
- Date
- Yes
- Movement
- Automatic
More specifications (1)
- Calibers
- 2120/2800
Specs shared by all variants. Variant pages show where a variant differs.