Model Number: 126519LN-0004 Collection: Cosmograph Daytona Case Material: 18k White Gold Case Diameter: 40mm Bezel: Black Cerachrom ceramic bezel with engraved tachymetric scale Dial: Glossy black dial with factory-set diamond hour markers Hour Markers: 8 brilliant-cut diamonds and 3 18k white gold markers at 3, 6, and 9 o’clock Sub-dials: Silver-tone chronograph counters – 30-minute, 12-hour, and small seconds Crystal: Scratch-resistant sapphire Movement: Rolex Caliber 4131 – self-winding automatic chronograph movement Power Reserve: Approximately 72 hours Bracelet: Black Oysterflex elastomer strap reinforced with flexible metal blades Clasp: 18k white gold Oysterlock safety clasp with Easylink 5mm comfort extension Water Resistance: 100 meters / 330 feet Functions: Hours, minutes, small seconds, chronograph, tachymeter Special Features: Superlative Chronometer certified (COSC + Rolex internal testing) Parachrom hairspring and Paraflex shock absorbers for precision and durability Elegant and sporty design with luxurious diamond detailing Perfect balance of high-performance chronograph and refined luxury
