RL Sea-Dweller 43 mm – Ref. M126600-0002

Oystersteel – Cerachrom Bezel – 1,220 m Professional Diver’s Watch

🔹 Overview
The RL Sea-Dweller Ref. M126600-0002 is a modern professional tool built for the deep sea. Engineered in corrosion-resistant Oystersteel, this 43 mm diver’s watch embodies RL’s mastery of underwater performance. Its bold black dial with Chromalight display ensures readability in even the darkest depths, while the unidirectional Cerachrom bezel allows precise dive timing. With helium escape valve, 1,220 m water resistance, and the trusted Calibre 3235 movement, the Sea-Dweller is both a technical instrument and a modern icon of RL innovation.

💎 Key Specifications

• Origin: Switzerland

• Gender: Men’s

• Case Diameter: 43 mm

• Case Material: Oystersteel

• Bezel: Unidirectional rotatable, black Cerachrom ceramic insert, 60-minute graduations

• Dial: Black with Chromalight long-lasting blue luminescence

• Hour Markers: White gold surrounds with luminous fill

• Bracelet: Oystersteel Oyster bracelet, three-piece solid links

• Clasp: Oysterlock safety clasp with Glidelock extension system

• Glass: Scratch-resistant sapphire crystal with Cyclops lens

• Water Resistance: 1,220 m / 4,000 ft, helium escape valve

⏱ Movement

• Caliber: RL Calibre 3235, automatic self-winding

• Frequency: 28,800 vph (4 Hz)

• Jewels: 31

• Power Reserve: ~70 hours

• Hairspring: Paramagnetic blue Parachrom

• Shock Absorption: Paraflex absorbers

• Certification: Superlative Chronometer (COSC + RL after casing)

Functions:

• Hours, minutes, seconds

• Instantaneous date at 3 o’clock

• Stop-seconds for precise time setting

• Helium escape valve for professional saturation diving

✅ Highlight Summary
The RL Sea-Dweller Ref. M126600-0002 fuses rugged durability with technical excellence. With its 43 mm Oystersteel case, deep-sea water resistance, and luminous Chromalight dial, it is built for extremes. Powered by the advanced Calibre 3235, it guarantees precision and a robust 70-hour reserve. Whether used as a diver’s essential or a collector’s statement, the Sea-Dweller remains one of RL’s most capable and respected professional instruments.