- Reference: 126503
- Model case: Oyster, 40 mm, Oystersteel and yellow gold
- Waterproofing: Waterproof to 100 metres / 330 feet
- Bezel: Fixed, with engraved tachymetric scale, in yellow gold
- Dial: Black, golden counter rings
- Strap: Oyster, three-piece solid links
- Movement: Perpetual, mechanical chronograph, self-winding
- Calibre: 4131, manufacture Rolex
- Power reserve: Approximately 70 hours
- Certification: Superlative Chronometer (COSC Rolex certification after casing)
