Here are the key specifications for the Audemars Piguet Royal Oak 18-carat Pink Gold 1320OR.02 —
| Specification | Details |
|---|---|
| Brand | Audemars Piguet |
| Collection | Royal Oak Selfwinding Chronograph “50th Anniversary” |
| Reference | 26240OR.OO.1320OR.02 |
| Movement Type | Self-winding automatic |
| Caliber | Caliber 4401 with flyback chronograph |
| Functions | Hours, Minutes, Small Seconds, Date, Flyback Chronograph |
| Power Reserve | Approx. 70 hours |
| Jewels | 40 |
| Frequency | 28,800 vph / 4 Hz |
| Case Material | 18-carat pink gold |
| Case Diameter | 41 mm |
| Case Thickness | ~12.4 mm |
| Dial Color | Black Grande Tapisserie with chronograph sub-dials |
| Crystal | Glare-proofed sapphire crystal |
| Caseback | Sapphire exhibition caseback |
| Bracelet | 18-carat pink gold integrated bracelet with AP folding clasp |
| Water Resistance | 50 m / 5 ATM |
| Style / Gender | Luxury sports chronograph / Men’s & Unisex |
| Origin | Swiss Made |




