41mm x 9.80mm stainless steel case. sapphire crystal back. screw-locked crown. glareproofed sapphire crystal. blue dial with grande tapisserie pattern. gold applied hour-markers with luminescent coating. and gold Royal Oak hands with luminescent coating . self-winding AP Calibre 3120 movement with date and large seconds. approximately 60 hours of power reserve. stainless steel bracelet. Water resistant to 50 meters.
AP Royal Oak Selfwinding with Blue Dial 41mm Stainless Steel Watch 15400ST.OO.1220ST.03
| Brand | AP |
| Model number | 15400ST.OO.1220ST.03 |
| Gender | Mens |
| Series | Royal Oak |
| Case | Stainless steel case. glareproofed sapphire crystal and caseback |
| Functions | Hours. minutes. center seconds. date |
| Case width | 41mm |
| Case thickness | 9.80mm |
| Water resistance | 50m |
| Dial | Blue |
| Bracelet | Stainless steel bracelet with AP folding clasp |
| Direction of automatic winding | Bidirectional |
| Number of parts | 280 |
| Power reserve | 60h |