🔹 Overview
The RL Cosmograph Daytona Ref. 116509 features a striking blue sunburst dial paired with a solid 18 ct white gold case and Oyster bracelet. Designed for professional racing enthusiasts, it combines sporty elegance with luxurious refinement. The fixed white gold tachymeter bezel enables precise speed measurement, while the 40 mm case ensures a bold presence on the wrist.

💎 Key Specifications
Model: RL Cosmograph Daytona, ref. 116509
Case Size: 40 mm
Case & Bracelet Material: Solid 18 ct white gold
Dial: Blue sunburst with index hour markers and coordinating sub-dials
Bezel: Fixed tachymeter bezel, 18 ct white gold
Movement: Self-winding chronograph calibre 4130 (automatic)
Condition: Pre-owned, Mint/Like New
Included: Box and papers from a trusted seller
Price: ~US $40,995 with authenticity guarantee and free shipping

⏱️ Movement
Calibre: RL 4130 (self-winding chronograph)
Functions: Central hours, minutes, small seconds; chronograph with 30-minute and 12-hour counters; stop-seconds
Power Reserve: ~72 hours
Features: Parachrom hairspring, Paraflex shock absorbers, COSC + RL certification

✅ Conclusion
The RL Daytona Chronograph 116509 blends the iconic Daytona design with a vibrant blue dial and luxurious white gold construction. Perfect for collectors seeking a professional racing chronograph that exudes prestige, elegance, and precision.