Model: Rolex Cosmograph Daytona 126509-0003 Case Material: 18k White Gold Case Diameter: 40mm Bezel: Fixed bezel in 18k white gold with tachymeter scale engraved Dial: Sunburst silver dial with contrasting black chronograph subdials Markers: Luminous hour markers with polished white gold surrounds Movement: Rolex Caliber 4131 — automatic chronograph movement with approx. 72-hour power reserve Functions: Hours, minutes, small seconds, chronograph (central second, 30-minute and 12-hour counters), tachymeter scale Bracelet: Solid 18k white gold Oyster bracelet with Oysterlock safety clasp Water Resistance: 100 meters / 330 feet Glass: Scratch-resistant sapphire crystal Additional Features: Superlative Chronometer certification; Parachrom hairspring for enhanced shock resistance
