Assembled in Switzerland Case size: 46mm Dial Opening: 36mm Case Material: 316L Stainless steel with PVD plating Strap Width: 24mm Movement: Miyota JS chronograph quartz movement Glass: Sapphire crystal Strap: COMES WITH 3 STRAPS AS A SET - Leather strap with D shape buckle, Nato strap and Metal bracelet. Strap changing tool is included. Straps will fit up to an 8.5 inch wrist. Metal up to 9 inches