Grey polished and satin-finished titanium case with a black structured lined rubber strap. Fixed black polished and satin-finished ceramic bezel. Skeleton dial with microblasted rhodium hands and index/ Arabic numeral hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Perpetual calendar. Four sub-dials displaying: day, date, month, moon cycle. Hublot Calibre HUB1270 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Skeleton transparent exhibition see through case back. Round case shape, case size: 45 mm. Deployment buckle clasp. Water resistant at 30 meters / 100 feet. Functions: month. day, date, minute, second, perpetual calendar. Big Bang Series. Luxury watch style. Watch label: Swiss Made. Hublot Big Bang Perpetual Calendar Skeleton Dial Automatic Men's Watch 406.NM.0170.RX.