421.OX.5180.RX Hublot This watch has 44 mm Satin-finished and polished 18K King Gold case. 18K King Gold bezel. Matte blue skeleton dial with gold hands and Arabic and index hour markers. Chronograph subdial at 3 and 9 o'clock position. Date Window located at 3 o'clock position. Blue structured lined rubber straps with 18K King Gold and titanium deployant buckle clasp. HUB1280 UNICO Manufacture, self-winding chronograph, flyback movement with column wheel. Power reserve 72 hours. Functions: chronograph, date, hour, minute, seconds. Water resistant up to 100m / 330ft. 421.OX.5180.RX Hublot 18K King Gold and Ceramic Watch.