The Sea Turtle collection is 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. Those features include an incredibly strong Carbon Compound case, 10ATM water resistant, Uni-directional rotating bezel, extra hardened mineral crystal, and a stainless steel double-gasket protected crown. The classic Luminox case design with Lithium battery is protected by a crown balanced by an opposite outcropping has been compared to the shape of a turtle, hence the Sea Turtle name. Features a 22mm strap.Features44 mmCarbon Compound case with Black DialBlack Carbon Compound casebackUni-directional rotating bezel with Super-LumiNova dot at 12H Tempered scratch resistant mineral crystalWater resistant to 100 metersBlack signature PU strap with brushed stainless steel signature buckle, loop lock, 22mmLuminox self-powered illuminationDigital Instruction manual and warranty info...