Mechanical self-winding movement (Valgranges A07.111)ith perlage and Côtes-de-Genève decoration 46-hour power reserve Anti-reflection Sapphire crystal Water esistant to 10 ATM (100 meters/330 feet) Stainless steel case Luminous hands and hour markers Screw-in caseback Date See-through caseback Countdown timer Aviator brown leather strap