Seiko Prospex x Automatic ft. Turtle Men Diver Tonneau 200m Water Resistant Watch SRPE93K1 SRPE93 SRPE-93 SRPE-93K1 SRP777K1 SRP777 SRP-777 SRP-777K1 Discover the Seiko Prospex Turtle - a professional 200m water-resistant dive watch with iconic cushion case design. Features 4R36 automatic movement (41h power reserve), hardlex crystal, LumiBrite lume, and unidirectional bezel. The 45mm stainless steel case with secure three-fold clasp delivers rugged reliability for underwater adventures. Caliber Number / Movement 4R36 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 41 hours (+45 to -35 seconds per day) Crystal Hardlex crystal Luminous LumiBrite on hands, indexes and bezel Case / Band Material Stainless steel case with silicone band Water Resistance 200m / 660ft diver Case Size Thickness: 13.4 mm Diameter: 45.0 mm Length: 47.7 mm Lug width: 22.0 mm Other Specifications Seiko Prospex x Automatic ft. Turtle Unidirectional rotating bezel Screw-down crown Screw case back 24 jewels Day and date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)