Movement: Super clone 3131, decorated plates and auto rotor to look of genuine Rolex 3131 Calibre Case: 40mmx13.5mm, solid 904L stainless steel Bezel: stainless steel smooth bezel Crystal: Green Sapphire Crystal with etched crown at 6 o’clock Dial: Black Bracelet: Solid 904L stainless steel Water resistance: 30m