Men’s Rolex Cosmograph Daytona 126503 Yellow Rolesor Automatic Watch

The Rolex Cosmograph Daytona (Reference 126503) blends sporty performance with refined luxury. Crafted in a 40 mm Oyster case made of Yellow Rolesor—a combination of Oystersteel and 18 ct yellow gold—this iconic chronograph features a black dial with golden counter rings for bold contrast and superior legibility. The fixed yellow gold bezel with engraved tachymetric scale enhances its racing heritage. Powered by the in-house Calibre 4131 self-winding chronograph movement, it offers exceptional precision of −2/+2 seconds per day and an impressive 72-hour power reserve. Finished with an Oyster bracelet in Yellow Rolesor and Oysterlock safety clasp, this timepiece delivers both prestige and performance.

Specifications:
Gender: Men’s
Movement Type: Perpetual, mechanical chronograph, self-winding
Calibre: 4131, Manufacture Rolex
Precision: −2/+2 seconds per day (after casing)
Functions: Centre hour and minute hands, small seconds at 6 o’clock; chronograph with centre seconds hand, 30-minute counter at 3 o’clock, 12-hour counter at 9 o’clock; stop-seconds for precise time setting
Power Reserve: Approximately 72 hours
Oscillator: Paramagnetic blue Parachrom hairspring; high-performance Paraflex shock absorbers
Winding: Bidirectional self-winding via Perpetual rotor
Dial Color: Black with golden counter rings
Display Details: Chromalight display with long-lasting blue luminescence
Case Shape: Round
Case Material: Yellow Rolesor (Oystersteel and yellow gold)
Bezel: Fixed yellow gold bezel with engraved tachymetric scale
Crystal: Scratch-resistant sapphire
Case Back: Screw-down case back
Diameter: 40 mm
Water Resistance: Waterproof to 100 meters / 330 feet
Crown: Screw-down, Triplock triple waterproofness system
Bracelet: Oyster, three-piece solid links in Yellow Rolesor
Clasp: Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
Reference #: 126503

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