Smith & Wesson SWW-1564-BK Dog Tag Carabineer Pocket Watch with Black Dial Dog tag design looks like identification tags worn by military personnel Uses Japanese quartz movement to keep track of time with unrivaled precision Includes a keychain carabineer and chain Stainless steel back with a black finish Comes with a 1-year limited warranty Uses quartz crystal components to keep track of time with unrivaled precision Dog tag design looks like identification tags worn by military personnel Includes a keychain carabineer and chain Stainless steel back with a black finish; comes with a 1-year limited warranty Not water resistant