Rolex Yacht‑Master 169623 — Key Specs Feature Specification Model Name Rolex Yacht‑Master 35 mm / 169623 (Women’s) Reference 169623 Case Diameter 35 mm (sometimes marketed as 29 mm in older catalogs) [Varies by era; 29 mm also seen] Case Material Stainless Steel & 18 k Yellow Gold (Rolesor) Bezel Bidirectional Rotatable 18 k Yellow Gold Yacht‑Master Bezel Dial Color Blue (with luminous markers) Crystal Scratch‑resistant Sapphire (with Cyclops over date) Movement Rolex Calibre 2235 Automatic (COSC‑certified) Jewels 31 jewels (typical of Cal. 2235) Power Reserve Approx. 48 hours (Cal. 2235) Functions Hours, Minutes, Seconds, Date Bracelet Oyster Bracelet — Steel & 18 k Yellow Gold Clasp Oysterlock Folding Safety Clasp Water Resistance 100 m / 330 ft Style Category Luxury Sports / Nautical Watch
