The Nautis Deacon includes the following features - 316L surgical-quality stainless steel case, accurate japanese quartz movement, non-glare scratch-resistant mineral crystal, logo-engraved stainless steel caseback, unidirectional bezel, 316L surgical-quality stainless steel bracelet, logo-engraved stainless steel fold-over push-button deployment clasp, luminous hands, luminous markers, 43mm case diameter, 20 ATM water resistance (professional deep diving approved).