RL Sea-Dweller – Ref. 126603-0001
43 mm – Yellow Rolesor – Black Cerachrom Bezel – Oyster Bracelet

🔹 Overview
The RL Sea-Dweller 43 mm Ref. 126603-0001 is a prestigious two-tone professional diver’s watch crafted from Oystersteel and 18 ct yellow gold (Rolesor). While maintaining the Sea-Dweller’s legendary deep-sea capability, it introduces refined luxury through premium materials, making it both rugged and elegant.

💎 Key Specifications

• Origin: Switzerland

• Gender: Men’s / Unisex

• Case Diameter: 43 mm

• Case Material: Yellow Rolesor (Oystersteel + 18 ct yellow gold)

• Bezel: Unidirectional rotatable 60-minute bezel; black Cerachrom insert with gold-coated numerals and graduations

• Dial: Intense black, sunray-finished with Chromalight luminescence

• Hour Markers: Large applied indexes & Mercedes-style hands in yellow gold, filled with Chromalight

• Crystal: Sapphire with Cyclops lens at 3 o’clock

• Bracelet: Oyster bracelet with solid steel & yellow gold links; Oysterlock clasp with Glidelock extension system

• Water Resistance: 1,220 m / 4,000 ft; helium escape valve; Triplock triple waterproofness

⏱ Movement

• Type: Perpetual, mechanical, self-winding

• Caliber: RL Manufacture Calibre 3235

• Power Reserve: ~70 hours

• Hairspring & Shock Protection: Paramagnetic blue Parachrom hairspring; Paraflex shock absorbers

• Functions: Hours, minutes, seconds; instantaneous date at 3 o’clock with rapid-set; stop-seconds for precision

✅ Highlight Summary

• Professional dive watch with 1,220 m water resistance and helium escape valve

• Luxurious Yellow Rolesor construction blending Oystersteel and 18 ct gold

• Black Cerachrom bezel with gold-coated numerals for enduring clarity

• Chromalight display ensuring long-lasting legibility underwater

• Powered by Calibre 3235 with 70-hour power reserve and Superlative Chronometer precision

• Secure, adjustable Oyster bracelet with Glidelock extension for diving comfort

⚜️ Conclusion
The RL Sea-Dweller Ref. 126603-0001 is the ultimate fusion of functionality and refinement. Designed for extreme depths yet sophisticated enough for formal occasions, it is a professional-grade tool watch and a statement of prestige.