Model Reference: 126508-0006 Collection: Cosmograph Daytona Case Material: 18k Yellow Gold Case Diameter: 40mm Bezel: Fixed 18k Yellow Gold bezel with engraved tachymetric scale Dial: Champagne color with stick (index) hour markers, featuring three sub-dials for chronograph functions Markers & Hands: Luminous stick hour markers and hands with Chromalight display for enhanced legibility Bracelet: 18k Yellow Gold Oyster bracelet with flat three-piece links Clasp: Folding Oysterlock safety clasp with Easylink 5mm comfort extension link Movement: Rolex Calibre 4131 – self-winding mechanical chronograph movement Power Reserve: Approximately 72 hours Functions: Centre hour, minute, and seconds hands Chronograph (1/8 second accuracy) 30-minute counter at 3 o’clock 12-hour counter at 9 o’clock Small seconds sub-dial at 6 o’clock Stop-seconds for precise time setting Crystal: Scratch-resistant sapphire crystal Water Resistance: 100 meters / 330 feet Certification: Superlative Chronometer (COSC + Rolex certification after casing)