Rolex Sea-Dweller Deepsea – Ref. 116660 (2012)
Engineered for extreme depths, the Rolex Sea-Dweller Deepsea 116660 is the ultimate tool watch for professional divers and collectors alike. This first-generation Deepsea, released in 2012, features Rolex’s patented Ringlock System, allowing it to withstand pressures up to 3,900 meters (12,800 feet). Rugged, refined, and built to last—this is a timepiece that thrives where others fail.
 
Model: Rolex Sea-Dweller Deepsea
Reference: 116660
Year: 2012
Case Size: 44mm
Case Material: Oystersteel
Bezel: Unidirectional rotatable, Cerachrom ceramic insert with 60-minute graduations
Dial: Black with Chromalight luminescence
Crystal: 5.5mm thick domed sapphire
Bracelet: Oyster, matte-finish, flat three-piece links
Clasp: Folding Oysterlock safety clasp with Glidelock extension system
Movement: Rolex Calibre 3135 (automatic)
Power Reserve: Approximately 48 hours
Functions: Hours, minutes, seconds; date display; helium escape valve
Water Resistance: 3,900 meters / 12,800 feet
Certification: Superlative Chronometer (COSC + Rolex standards)
Includes: Box & Papers, bezel protector