RL Cosmograph Daytona – Ref. 126519LN-0006
18 ct White Gold – Steel & Bright Black Dial – Cerachrom Bezel – Oysterflex Bracelet

🔹 Overview
The RL Cosmograph Daytona Ref. 126519LN-0006 is a legendary chronograph designed for endurance and performance. Featuring a steel and bright black dial with snailed counters, a black Cerachrom bezel with tachymetric scale, and a robust Oysterflex bracelet, this model seamlessly blends racing heritage, high technology, and timeless RL luxury.

💎 Key Specifications

• Brand: RL

• Model: Cosmograph Daytona 40 mm, Ref. 126519LN-0006

• Origin: Switzerland

• Gender: Men’s

• Case Size: 40 mm

• Case Material: 18 ct white gold

• Bezel: Black monobloc Cerachrom ceramic, platinum-coated tachymetric scale

• Dial: Steel & bright black with snailed counters; Chromalight luminescence

• Crystal: Scratch-resistant sapphire

• Bracelet: Oysterflex bracelet with metal blade core and elastomer coating

• Clasp: Folding Oysterlock safety clasp with RL Glidelock extension

• Water Resistance: 100 m / 330 ft

⏱ Movement Details
Powered by the RL Calibre 4131, a new-generation self-winding chronograph movement.

• Caliber: RL Manufacture 4131

• Precision: –2/+2 sec/day (after casing)

• Power Reserve: ~72 hours

• Oscillator: Paramagnetic blue Parachrom hairspring with Paraflex shock absorbers

• Functions:
  • Hours, minutes, small seconds
  • Chronograph: central seconds, 30-minute counter (3 o’clock), 12-hour counter (9 o’clock)
  • Stop-seconds for precise adjustment

✨ Dial & Legibility
The steel and bright black dial features snailed chronograph counters, 18 ct gold markers, and hands with Chromalight for readability in all conditions — ideal for timing laps with precision.

🏎 Cerachrom Tachymetric Bezel
Virtually scratchproof and UV-stable, the black ceramic bezel is engraved with a tachymetric scale coated in platinum via PVD, ensuring accurate speed measurement and echoing the sleek style of 1965 Daytona models.

🔗 Oysterflex Bracelet
Developed and patented by RL, the Oysterflex combines the strength of a metal bracelet with the comfort of elastomer. Featuring flexible metal blades encased in high-performance elastomer, cushioned inner supports, and Glidelock extension, it guarantees durability and comfort.

✅ Certification
Certified as a Superlative Chronometer (COSC + RL certification after casing), ensuring elite accuracy, waterproofness, and performance.

🖼 Why Choose the RL Cosmograph Daytona Ref. 126519LN-0006?

• Luxurious 18 ct white gold construction from RL’s exclusive foundry

• Iconic racing chronograph with tachymetric scale for high-speed performance

• Equipped with the advanced Calibre 4131 with 72-hour power reserve

• Distinctive steel & bright black dial with luminous Chromalight markers

• Innovative Oysterflex bracelet combining strength, comfort, and durability