• 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)