- Reference
- 126503
- Model Case
- Oyster, 40 mm, Oystersteel and yellow gold
- Bezel
- Fixed, with engraved tachymetric scale, in yellow gold
- Water-Resistance
- Waterproof to 100 metres / 330 feet
- Movement
- Perpetual, mechanical chronograph, self-winding
- Calibre
- 4131, manufacture Rolex
- Bracelet
- Oyster, three-piece solid links
- Dial
- Black, golden counter rings
- Power Reserve
- Approximately 72 hours
- Certification
- Superlative Chronometer (COSC + Rolex certification after casing)