This mens watch features a stainless steel case and a green silicone rubber strap, with a screw lock crown and a screw case back. The Seiko SRPE05J1 features a green waffle dial and uses a 4R36 movement featuring a self winding automatic movement with a manual wind capacity. The SRPE05 features Sapphire Glass and a Ceramic bezel insert. The King Turtle JDM SRPE05J has a case size of 45mm with a thickness of 13.2mm and a lug-to-lug size of 47.7mm with an approximate weight of 125gm. Like all Seiko turtles, this watch has a water resistance rating of 200m and features a Unidirectional rotating bezel, a screw lock crown, a screw case back and a tang buckle. Additional features as a King Turtle are Sapphire crystal glass with a magnifier (cyclops) with anti-reflective coating on the inner surface and a ceramic bezel insert. Cyclops. Classic green waffle dial. A complete turtle + a JDM model. What more could you ask for. A link to the online instructions manual is also sent within the email.