🔹 Overview
The RL Cosmograph Daytona Ref. 126500LN-0002 is a modern reinterpretation of the iconic chronograph, combining professional performance with timeless style. Crafted in corrosion-resistant Oystersteel, it features a sleek black dial with contrasting counters and a scratch-proof black Cerachrom tachymetric bezel. Released in 2023, this reference refines proportions and legibility while staying true to Daytona heritage.

💎 Key Specifications
Origin: Switzerland — Oyster Perpetual Cosmograph Daytona collection
Gender: Men’s / Unisex
Case Diameter: 40 mm Oyster case
Case Material: Oystersteel with screw-down caseback and Triplock crown
Bezel: Black Cerachrom ceramic bezel with tachymetric scale (up to 400 units/hour), numerals filled with platinum PVD
Dial: Black dial with silver-outlined chronograph sub-dials, luminous gold markers and hands
Bracelet: Oystersteel Oyster bracelet with Oysterlock clasp and 5 mm Easylink extension
Glass: Scratch-resistant sapphire crystal with anti-reflective treatment
Water Resistance: 100 m / 330 ft

⏱️ Movement
Caliber: RL Calibre 4131, self-winding chronograph with vertical clutch & column wheel
Certification: Superlative Chronometer, −2/+2 sec/day after casing
Power Reserve: ~72 hours
Frequency: 28,800 vph (4 Hz)
Hairspring & Protection: Parachrom hairspring, Paraflex shock absorbers
Functions:
• Central chronograph seconds hand
• 30-minute counter at 3 o’clock
• 12-hour counter at 9 o’clock
• Small seconds at 6 o’clock
• Stop-seconds for precise setting
• Tachymetric bezel for speed measurement

✅ Conclusion
The RL Daytona Ref. 126500LN-0002 blends technical innovation with iconic design. Its corrosion-resistant Oystersteel case, scratch-proof ceramic bezel, and luminous black dial make it both robust and elegant. Powered by the advanced Calibre 4131 with a 72-hour reserve, it delivers top-tier chronograph precision. A true modern classic, this Daytona offers versatile everyday wear while honoring its motorsport legacy.