Case size: 43.5 mm Lug to lug: 50 mm Case thickness: 16 mm Dial window: Sapphire crystal Bezel insert: 120clicks unidirectional; Ceramic. Movement: NH35A Automatic Crown: Screwdown crown Caseback: Screwback case Water resistance: 50 Bar Case material: 316L Solid stainless steel Bracelet: 316L Solid stainless steel