Polished and brushed 18k rose gold case with a black rubber, brushed 18k rose gold & black ceramic strap. Fixed polished and brushed black ceramic bezel. Skeleton dial with Arabic numeral/ index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Chronograph - sub-dials displaying: two - 60 second, 60 minute. Automatic movement. Hub1242 unico engine. Scratch resistant sapphire crystal. Screw down crown. Skeleton transparent exhibition see through case back. Case diameter: 45 mm. Round case shape. Band length: 7 inches. Deployment clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Item Variations: 411 OM 1180 OM, 411-OM-1180-OM, 411/OM/1180/OM, 411OM1180OM. Hublot Big Bang UNICO Skeleton Dial 18k Rose Gold Chronograph Men's Watch 411.OM.1180.OM.