Black polished ceramic case with a blue alligator outer / rubber inner strap. Fixed black ceramic bezel. Mat opalin dial with silver-tone hands and index- Arabic numerals hour markers. Dial Type: Analog. Chronograph - two sub-dials displaying: small second and chrono retrograde 60 second/chrono retrograde 60 minute. Hublot Calibre HUB1261 Automatic movement, containing 44 Jewels, bitting at 28800 vph, and has a power reserve of approximately 72 hours. Scratch resistant sapphire crystal. Skeleton transparent exhibition see through case back. Round case shape, case size: 45 mm. Deployment with push button release clasp. Water resistant at 100 meters / 330 feet. Functions: hour, minute, second, retrograde chronograph, split timing. Big Bang Unico Series. Luxury watch style. Watch label: Swiss Made. Hublot Big Bang Unico Automatic Men's Watch 413.CX.7123.LR.EUR16.