Key Specifications 

Introduced in 2017, also known as the Sea-Dweller 43 mm)

Case Size: 43 mm

Case Material: Oystersteel

Bezel: Unidirectional rotatable bezel with 60-minute graduated Cerachrom (ceramic) insert in black, numerals and graduations coated in platinum

Movement: Rolex Caliber 3235, automatic, self-winding mechanical movement

Functions: Hours, minutes, seconds, date (with instantaneous change and stop-seconds for precise time setting)

Power Reserve: Approximately 70 hours

Bracelet: Oyster bracelet with Oysterlock safety clasp and Glidelock extension system

Dial: Black dial with large Chromalight hour markers (blue luminescence)

Crystal: Scratch-resistant sapphire with Cyclops lens over the date (first Sea-Dweller to have one)

Water Resistance: 1,220 meters / 4,000 feet

Certification: Superlative Chronometer (COSC + Rolex in-house certification after casing)