Rolex Yacht‑Master II 44 mm White Dial — Key Specs (Ref. 116680) Feature Specification Model Name Rolex Oyster Perpetual Yacht‑Master II Reference 116680‑0002 (White Dial) Case Diameter 44 mm Case Material Oystersteel (904L Stainless Steel) Bezel Bidirectional Rotatable Ring Command Bezel with blue Cerachrom ceramic insert and engraved numerals Dial Color White lacquer with luminous hour markers Crystal Scratch‑resistant sapphire Movement Rolex Calibre 4161 automatic, self‑winding regatta chronograph Power Reserve Approx. 72 hours Functions Hours, minutes, small seconds; programmable regatta countdown (1–10 min) with mechanical memory and on‑the‑fly synchronization Bracelet Oystersteel Oyster bracelet Clasp Oysterlock folding safety clasp with Easylink 5 mm comfort extension link Water Resistance 100 m / 330 ft Certification Rolex Superlative Chronometer (‑2/ 2 sec/day) Style Category Professional regatta chronograph
