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