Unworn Audemars Piguet Royal Oak SELFWINDING “50TH ANNIVERSARY” 15510ST.OO.1320ST.05. 41 mm, Grey dial with “Grande Tapisserie” pattern, white gold applied hour-markers and Royal Oak hands with luminescent coating, Stainless steel case, glareproofed sapphire crystal and caseback, 4302 calibre, Selfwinding movement, 70 h power reserve, 32 jewels, Stainless steel bracelet with AP folding clasp. Water resistant to 50 m.
- Make: Audemars Piguet
- Model: Royal Oak
- Reference: 15510ST.OO.1320ST.05
- Diameter: 41 mm
- Case material: Stainless steel
- Dial color: Grey
- Bezel Type: Fixed
- Bezel Color: Grey
- Bezel Material: Stainless steel
- Crystal: Glareproofed sapphire crystal
- Calibre: 4302
- Movement: Selfwinding
- Number of Jewels: 32
- Power Reserve: 70 h
- Bracelet Material: Stainless steel
- Clasp: AP folding clasp
- Functions: Hours, minutes, centre seconds and date
- Water resistance: 50 m