| Specification | Details |
|---|---|
| Brand | Audemars Piguet |
| Collection | Royal Oak Selfwinding Chronograph |
| Reference | 26240ST.OO.1320ST.06 (Stainless Steel) |
| Movement Type | Self‑winding Automatic (Integrated Chronograph) |
| Caliber | Audemars Piguet Calibre 4401 — In‑house, column‑wheel & vertical‑clutch chronograph |
| Functions | Hours, Minutes, Small Seconds, Date, Flyback Chronograph |
| Power Reserve | Approx. 70 hours |
| Jewels | 40 jewels |
| Frequency | 28,800 vph / 4 Hz |
| Case Material | Stainless Steel |
| Case Diameter | 41 mm |
| Case Thickness | ~12.4 mm (standard for 26240 series) |
| Dial | Black “Grande Tapisserie” pattern with white‑gold applied hour markers & Royal Oak hands |
| Crystal | Glare‑proofed Sapphire Crystal (Front & Exhibition Back) |
| Caseback | Sapphire Exhibition Caseback |
| Bracelet | Integrated Stainless Steel Bracelet with AP Folding Clasp |
| Water Resistance | 50 m / 5 ATM |
| Style / Gender | Luxury Sports Chronograph / Men’s & Unisex |
| Origin | Swiss Made |
