The Nautis Dive Pro 200 includes the following features - 316l surgical-quality stainless steel case, seiko pc32 quartz movement, non-glare scratch-resistant mineral crystal, logo-engraved stainless steel caseback, uni-directional bezel, screw-down crown, genuine leather strap, logo-engraved stainless steel clasp, luminous hands, luminous markers, magnified date display, 45mm case diameter, 20ATM water resistance (professional deep diving approved).