Seiko Prospex Watches Mod. Spb317j1 Official Box Product Description: The Seiko Prospex SPB317J1 pays homage to the original 1968 "Turtle" diver's watch, featuring a robust stainless steel case with a black dial and a unidirectional rotating bezel. It is powered by the in-house Seiko Caliber 6R35 automatic movement, offering a 70-hour power reserve. Designed for professional diving, the watch is water-resistant up to 200 meters and includes a screw-down crown at the 4 o'clock position for enhanced durability. The black silicone strap ensures comfort and security during wear. Key Features: Movement: Seiko Caliber 6R35 automatic with manual winding, providing a 70-hour power reserve.Case Material: Stainless steel with a scratch-resistant coating.Case Dimensions: Diameter: 41.0mm; Thickness: 12.3mm; Lug-to-Lug: 46.9mm.Crystal: Curved sapphire crystal with anti-reflective coating on the inner surface.Bezel: Unidirectional rotating bezel for tracking elapsed time during dives.Water Resistance: 200 meters (660 feet), suitable for professional diving.Crown: Screw-down crown positioned at 4 o'clock to prevent accidental operation.Lume: LumiBrite on hands, indices, and bezel for enhanced visibility in low-light conditions.Strap: Black silicone strap with a secure fit.SpecificationValuePackagingOfficial Box