Here are the key specs of the Audemars Piguet Royal Oak Selfwinding Stainless Steel —
| Specification | Details |
|---|---|
| Brand | Audemars Piguet |
| Collection | Royal Oak Selfwinding |
| Reference | 15510ST.OO.1320ST.07 |
| Movement Type | Self‑winding Automatic (Caliber 4302) |
| Caliber | AP Caliber 4302 (in‑house movement) |
| Functions | Hours, Minutes, Small Seconds, Date |
| Power Reserve | ~70 hours |
| Jewels | 32 |
| Frequency | 28,800 vph / 4 Hz ( |
| Case Material | Stainless Stee |
| Case Diameter | 41 mm ([turn0search0], [turn0search5]) |
| Case Thickness | ~10.5 mm ([turn0search3], [turn0search5]) |
| Dial | Black “Grande Tapisserie” pattern with white gold markers & luminescent hands ([turn0search1], [turn0search5]) |
| Crystal | Sapphire crystal, glare‑proofed ([turn0search5]) |
| Caseback | Sapphire exhibition caseback ([turn0search1], [turn0search5]) |
| Bracelet | Integrated Stainless Steel with AP folding clasp ([turn0search1], [turn0search5]) |
| Water Resistance | 50 m / 5 ATM ([turn0search5]) |
| Style / Gender | Luxury sports watch / Men’s & Unisex |
| Origin | Swiss Made |
