The 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- Case diameter ...The 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- Case diameter: 44mm- Case material: CARBONOX- Bezel: Uni-directional rotating- Case back: Screw on- Crown: Double-Security Gasket- Water resistance: 100m (10atm)- Crystal/glass material: Hardened Mineral Crystal- Strap: black rubber