Rolex Submariner Date 116613LN mens watch. Features a brushed and polished yellow rolesor case and oyster bracelet which is a combination of oystersteel and 18 ct yellow gold. The unidirectional rotating bezel has a black cerachrom ceramic insert with a 60 minute scale that has gold coated numerals and graduations. The black dial is highly legible, featuring a chromalight display with long lasting blue luminescence in the hands, hour markers and a luminescent dot on the bezel at 12 o’clock. Dial type is analog. The date is viewable through a cyclops lens at 3 o’clock. Powered by the Rolex caliber 3135 self-winding automatic chronometer certified movement which boasts a 48 hour power reserve, beats at 28,800 vibrations per hour and contains 31 jewels. Has a scratch resistant sapphire crystal protecting the dial. The case is round and 40mm in diameter. The crown screws down using a triplock triple waterproofness system. The case back is screwed in. The buckle is a folding oysterlock safety clasp with Rolex glidelock extension system. Waterproof to 300 meters / 1000 feet. Functions: hours, minutes, seconds and date. Luxury watch style. Swiss Made.