Audemars Piguet 15400ST Royal Oak Custom Diamond Black Dial Watch
| Case Shape | Octagon |
| Case Dimensions | 41 mm |
| Case Material | Stainless steel |
| Dial Color | Black |
| Crystal | Sapphire |
| Bezel | Stainless steel |
| Water Resistance | 50 meters / 165 feet |
| Case Back | Transparent |
| Band Material | Stainless steel |
| Clasp | Stainless steel |
| Clasp Features | Fold |
| Movement | Automatic |
| Complications | Date |
