Audemars Piguet Royal Oak Automatic “50th Anniversary” 15510ST.OO.1320ST.04. 41 mm, khaki green dial with “Grande Tapisserie” pattern, white gold applied hour markers and Royal Oak hands with luminescent coating, stainless steel case, anti-glare sapphire crystal and case back, screw-down crown, calibre 4302, automatic movement, 70-hour power reserve, 32 jewels, stainless steel bracelet with AP folding clasp. Water-resistant to 50 m.
This 41 mm stainless steel Royal Oak Automatic reflects the evolution of the collection's ergonomic design and a new khaki "Grande Tapisserie" dial. Stainless steel case, anti-glare sapphire crystal and case back, screw-down crown. Khaki green dial with "Grande Tapisserie" pattern, white gold applied hour markers and Royal Oak hands with luminescent coating.
- Brand: Audemars Piguet
- Model: Royal Oak
- Reference number: 15510ST.OO.1320ST.04
- Diameter: 41 mm
- Case material: stainless steel
- Dial color: Khaki green
- Border Type: Fixed
- Frame color: Silver
- Frame material: stainless steel
- Mirror: Anti-glare sapphire crystal
- Caliber: 4302
- Movement: Automatic
- Number of jewels: 32
- Power reserve: 70 hours
- Bracelet material: stainless steel
- Clasp: AP folding clasp
- Functions: Hours, minutes, centre seconds and date