🔹 Overview
The RL Submariner Date Ref. 126618LB-0002 is one of the most prestigious diver’s watches in the world, crafted entirely from 18 ct yellow gold. With its radiant royal blue dial and matching blue Cerachrom bezel, it embodies the perfect fusion of professional underwater performance and refined luxury. Designed for divers yet celebrated as a symbol of sophistication, this model is a benchmark in the Submariner lineage.

💎 Key Specifications
Reference: 126618LB-0002
Case: 41 mm Oyster case in 18 ct yellow gold, Triplock crown, screw-down back
Bezel: Unidirectional rotatable in blue Cerachrom with engraved gold numerals
Dial: Royal blue with Chromalight luminescent hour markers and hands
Crystal: Scratch-resistant sapphire with Cyclops lens over the date
Bracelet: Oyster bracelet in solid yellow gold with Oysterlock clasp and Glidelock extension system
Water Resistance: 300 m / 1,000 ft
Certification: Superlative Chronometer (COSC + RL in-house, −2/+2 s/day)

⏱️ Movement
Caliber: RL Calibre 3235, Manufacture RL
Type: Perpetual, mechanical, self-winding
Features: Chronergy escapement, paramagnetic blue Parachrom hairspring, Paraflex shock absorbers
Functions: Hours, minutes, seconds; instantaneous date with rapid-set; stop-seconds for precise setting
Power Reserve: ~70 hours
Winding: Bidirectional self-winding rotor

✅ Conclusion
The RL Submariner Date Ref. 126618LB-0002 is both a professional-grade diving instrument and an emblem of prestige. Its bold yellow-gold case paired with the vivid blue dial makes a powerful statement, while the advanced Calibre 3235 ensures precision, durability, and a long power reserve. With 300 m water resistance and versatile styling, it transitions seamlessly from deep-sea adventures to formal occasions—making it an essential piece for collectors who demand performance wrapped in timeless luxury.