Cosmograph Daytona Oyster, 40 mm, Oystersteel and yellow gold Reference 126503

Cosmograph Daytona Oyster, 40 mm, Oystersteel and yellow gold Reference 126503.

Rolex Cosmograph Daytona 126503 – Technical Specifications Model Reference : 126503 Type : Chronograph (Stopwatch) Case : Diameter : 40 mm Material : Oystersteel and 18 ct Yellow Gold Case Shape : Oyster case, known for its robustness and water resistance Water Resistance : 100 meters (330 feet) Crystal : Scratch-resistant sapphire with anti-reflective coating Movement : Type : Self-winding mechanical chronograph (Automatic) Movement : Rolex Calibre 4131 (Chronograph with automatic winding) Power Reserve : Approximately 72 hours Magnetic Resistance : Parachrom hairspring (anti-magnetic feature) Dial : Dial Color : White with black sub-dials Material : Brushed finish dial, designed for legibility Hour Markers : 18 ct yellow gold markers, coated with Chromalight (for luminous display) Sub-dials : Three black sub-dials displaying chronograph functions (seconds, minutes, and hours) Functions : Chronograph : Timing function with second, minute, and hour counters Tachymeter Scale : Engraved on the yellow gold bezel, used for measuring average speed over a known distance Bracelet : Material : Oystersteel and 18 ct Yellow Gold (matching the case) Clasp : Oysterlock safety clasp, with Easylink extension system for easy bracelet adjustment Additional Features : Functionality : Time display, chronograph stopwatch, and tachymeter Crown : Triplock screw-down crown, ensuring waterproofing, with settings for time, date, and chronograph adjustments

Reference details, materials, dimensions, movement, condition and authenticity must match the item supplied to the customer and the supporting documentation.