LE GRANDE CLASSIQUE | 36 mm | AutomaticSelf winding mechanical movement (Caliber L591. 5), beating at 28,800 vibrations per hour, with a power reserve of approximately 45 hours. 36mm polished stainless steel round case. Case thickness: 7. 6mm. Transparent case back with sapphire crystal. Water resistant up to 30 meters (3 ATM). Scratch resistant sapphire crystal with anti reflective coating. Silver tone "flinqu" guilloch dial with painted black Roman numeral hour markers and black hands.