28 mm 18 kt Everose gold case. Screw-down winding crown with Twinlock double waterproofness system. Domed bezel in 18 ct Everose gold. Scratch-resistant sapphire crystal. Black dial with black natural stone hour markers at 3, 6 and 9 o'clock, and Chromalight display and long-lasting blue luminescence. Perpetual, mechanical, self-winding Calibre 2232 Manufacture Rolex, with Syloxi hairspring in silicon (patented geometry), Paraflex shock absorbers, and bidirectional self-winding via Perpetual rotor. Functions: centre hour, minute and seconds hands; stop-seconds for precise time setting. Power reserve approximately 55 hours. Oyster bracelet with three-piece solid links in 18 kt Everose gold. Folding Oysterclasp with Easylink 5 mm comfort extension link. Waterproof to 100 metres / 330 feet. Superlative Chronometer certified.