A Hublot Classic Fusion Aerofusion Moonphase Black Magic watch, model number 517.CX.0170.LR features a black ceramic case with an automatic self-winding movement having moon phase and approximately 42-hour power reserve functions. The fixed ceramic bezel displays the skeleton dial design which is transparent back. It comes equipped with a folding clasp closure, scratch resistant sapphire crystal glass, and water resistance up to 50 meters (approximately 167 feet). This luxury men's timepiece includes an authentic black alligator leather strap supplied by Hublot.