Hublot AeroFusion Moonphase Titanium Mens Watch comes with a 42mm titanium case, the inner-casing features a skeletal dial with batons, a Day-Month indicator, Date Ring and a Moon-Phase complication, the dial is protected with Sapphire crystal glass with anti-reflective treatment. The Self-Winding Hublot HUB1131 provides 42 hours of power reserve for those rare moments when the watch is off your wrist.