316L Surgical-Quality Stainless Steel Case; Accurate Japanese Quartz Movement; Non-Glare Scratch-Resistant Mineral Crystal; Logo-Engraved Stainless Steel Caseback; Unidirectional Bezel; Crown Protector; 316L Surgical-Quality Stainless Steel Bracelet; Logo-Engraved Stainless Steel Fold-Over Push-Button Deployment Clasp; Luminous Hands; Luminous Markers; Date Indicator; 45mm Case Diameter; 20 ATM Water Resistance (Professional Deep Diving Approved). The Nautis Admiralty Pro 200 includes the following features: 316l surgical-quality stainless steel case, accurate quartz movement, non-glare scratch-resistant mineral crystal, logo-engraved stainless steel caseback, unidirectional bezel, crown protector, 316l surgical-quality stainless steel bracelet, logo-engraved stainless steel fold-over push-button deployment clasp, luminous hands, luminous markers, date indicator, 45mm case diameter, 20 ATM water resistance (professional deep diving approved).