Here are the key specifications for the Audemars Piguet Royal Oak 15510ST.OO.1320ST.09 Specification Details Brand Audemars Piguet Collection Royal Oak Selfwinding Reference 15510ST.OO.1320ST.09 Movement Type Self‑winding Automatic Caliber Audemars Piguet Caliber 4302 Functions Hours, Minutes, Seconds, Date Power Reserve Approx. 70 hours Jewels 32 Frequency 28,800 vph / 4 Hz Case Material Stainless Steel Case Diameter 41 mm Case Thickness ~10.5 mm Dial Khaki / Green “Grande Tapisserie” pattern Hands & Markers White gold applied markers with luminescent coating Crystal Sapphire crystal Caseback Sapphire exhibition caseback Bracelet Integrated Stainless Steel Clasp AP folding clasp Water Resistance 50 m / 5 ATM Style / Gender Luxury sports watch / Men’s & Unisex Origin Swiss Made
