Rolex Sky-Dweller 336238 Yellow Gold 42mm Bright Black Dial with Oysterflex Bracelet
Feature Description Case Shape Oyster Case Dimensions 42 mm Case Material 18 kt yellow gold Dial Color Bright black Crystal Scratch-resistant sapphire, Cyclops lens over the date Bezel Fluted, bidirectional rotatable Rolex Ring Command Screw-in Crown Yes, Twinlock double waterproofness system Water Resistance Waterproof to 100 metres / 330 feet Case Back Screw-down Bracelet Oysterflex Bracelet Material Flexible metal blades overmoulded with high-performance elastomer Clasp Folding Oysterclasp with Rolex Glidelock extension system Movement Perpetual, mechanical, self-winding, dual time zones, annual calendar Complications Centre hour, minute, and seconds hands. 24-hour display. Second time zone. Annual calendar. Month display. Rapid-setting date. Stop-seconds Winding Bidirectional self-winding via Perpetual rotor Power Reserve Approximately 72 hours COSC Certified Yes, Superlative Chronometer Striking in both form and function, the Rolex S