Rolex Submariner Date 40mm Black Ceramic Bezel Yellow Gold

The Rolex Submariner Date Ref. 116618LN represents precious metal dive watch evolution in 18k yellow gold. This 40mm timepiece features black Cerachrom ceramic bezel insert with platinum-coated numerals. Manufacture Caliber 3135 delivers 48 hours power reserve with chronometer precision. Water resistance to 300 meters maintains professional dive capabilities with Triplock crown system. Yellow gold Oyster bracelet with Glidelock extension enables wearing over wetsuit.

Reference 116618LN introduced around 2008 updated previous aluminum bezel generation with ceramic Cerachrom technology. LN designation indicates Lunette Noir or black bezel. Caliber 3135 contains 31 jewels beating at 28,800 vph representing final generation before Caliber 3235 introduction. Black dial with yellow gold applied hour markers features Chromalight display with blue luminescence. Unidirectional rotating bezel allows dive timing with Cerachrom insert resisting scratching. Mercedes hands maintain Submariner heritage design.

Oyster bracelet in 18k yellow gold features solid links throughout with polished center construction creating luxurious weight. Glidelock extension system allows 20mm adjustment in 2mm increments. Oysterlock safety clasp prevents accidental opening during diving. Date magnifier with Cyclops lens positions at 3 o'clock. This preowned example represents discontinued 40mm Submariner generation before 2020 introduction of 41mm reference 126618LN. Collectors value previous-generation models for 3135 movement and slightly smaller proportions while precious metal construction provides investment-grade materials appealing to buyers seeking dive watch functionality with luxury positioning.