Reference: M126503-0003

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

Power reserve: Approximately 72 hours

Bracelet: Oyster, three-piece solid links

Dial: Black, golden counter rings