LUMINOX 0321 WATCHThe Sea Turtle collection is being introduced at a lower price point making it accessible to a broader consumer base, but it still has all of the important components that make a Luminox watch lightweight, tough and reliable. Function: Time Date Movement: Quartz Size of case diameter: 44mm Case material: CARBONOX Case bezel: Uni directional rotating Case back: Screw on caseback Crown: Double Security Gasket Water resistance: 100m 10atm Crystal Glass