Rolex 268621-0004 Yatch Master Black Dial Specifications: Make Rolex Model Yacht-Master 37 Reference 268621-0004 MODEL CASE Model case Oyster, 37 mm, Oystersteel and Everose gold Oyster architecture Monobloc middle case, screw-down case back and winding crown Diameter 37 mm Material Everose Rolesor – a combination of Oystersteel and 18 ct Everose gold Bezel 18 ct Everose gold bidirectional rotatable 60-minute graduated with raised numerals Winding crown Screw-down, Triplock triple waterproofness system Crystal Scratch-resistant sapphire, Cyclops lens over the date Water-resistance Waterproof to 100 metres / 330 feet MOVEMENT Movement Perpetual, mechanical, self-winding Calibre 2236, Manufacture Rolex Precision -2/ 2 sec/day, after casing Functions Centre hour, minute and seconds hands. Instantaneous date with rapid setting. Stop-seconds for precise time setting Oscillator Syloxi hairspring in silicon with patented geometry. High-performance Paraflex shock absorbers Winding Bidirectional self-winding via Perpetual rotor Power reserve Approximately 55 hours BRACELET Bracelet Oyster, flat three-piece links Bracelet material Everose Rolesor – a combination of Oystersteel and 18 ct Everose gold Clasp Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link DIAL Dial Black CERTIFICATION Superlative Chronometer (COSC Rolex certification after casing)
