The Rolex Cosmograph Daytona (126519LN-0002) in 18k white gold combines exquisite craftsmanship with exceptional performance. This timepiece features a striking contrast dial in bright black and stainless steel tones, paired with an innovative Oysterflex bracelet and a black Cerachrom tachymeter bezel. Crafted from 18k white gold, it houses the Caliber 4131 self-winding movement, certified as a Superlative Chronometer with precision of ±2 seconds per day and a 72-hour power reserve. The patented Oysterflex bracelet incorporates flexible metal blades coated with high-performance black elastomer, equipped with an Oysterlock safety clasp and Glidelock extension system. The black Cerachrom bezel features platinum-coated graduations, offering scratch resistance, corrosion protection, and 100-meter water resistance for daily wear.