Seiko Prospex x Automatic ft. Samurai Men Diver Round 200m Water Resistant Watch SRPF01K1 SRPF01 SRPF-01 SRPF-01K1 SRPB49K1 SRPB49 SRPB-49 SRPB-49K1 Experience the Seiko Prospex Samurai - a 200m water-resistant dive watch with bold angular case design. Features 4R35 automatic movement (41h power reserve), hardlex crystal, and LumiBrite lume. The 43.8mm stainless steel case with secure three-fold clasp offers professional dive performance with striking aesthetics. Caliber Number / Movement 4R35 (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 stainless steel band (three-fold clasp with secure lock, push-button release with extender) Water Resistance 200m / 660ft diver Case Size Thickness: 13.4 mm Diameter: 43.8 mm Length: 48.7 mm Lug width: 22.0 mm Other Specifications Seiko Prospex x Automatic ft. Samurai Unidirectional rotating bezel Screw-down crown Screw case back 23 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)