Audemars Piguet Royal Oak 15400ST.OO.1220ST.01 — Stainless Steel Selfwinding
| Specification | Details |
|---|---|
| Brand | Audemars Piguet |
| Collection | Royal Oak Selfwinding |
| Reference | 15400ST.OO.1220ST.01 (associated with 1220ST.01) |
| Movement | Automatic (AP Calibre 3120) |
| Functions | Hours, Minutes, Seconds, Date |
| Power Reserve | ~60 hours |
| Jewels | 40 jewels |
| Frequency | 21,600 vph / 3 Hz |
| Case Material | Stainless Steel |
| Case Diameter | 41 mm |
| Case Thickness | ~9.8 mm |
| Dial | Black “Grande Tapisserie” pattern with white‑gold markers (turn0search5) |
| Crystal | Sapphire crystal |
| Caseback | Transparent sapphire exhibition back (turn0search6) |
| Bracelet | Stainless steel integrated Royal Oak bracelet |
| Clasp | AP folding clasp |
| Water Resistance | 50 m / 5 ATM (turn0search6) |
| Style / Gender | Luxury sports watch / Men’s & Unisex |
| Origin | Swiss Made |
