Seiko Prospex x Automatic ft. King Samurai aka Manta Ray aka Save The Ocean (STO) (Special Edition) Men Diver Round 200m Water Resistant Watch SRPE33K1 SRPE33 SRPE-33 SRPE-33K1 Discover the Seiko Prospex SRPE33 automatic dive watch - featuring 200m water resistance, robust 4R35 movement with 41-hour power reserve, and striking Manta Ray dial. These professional divers include LumiBrite markers, unidirectional bezels, screw-down crowns, and date display in 43.8mm stainless steel cases. Built for underwater adventures with Seiko renowned reliability. Caliber Number / Movement 4R35 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 41 hours (+45 to -35 seconds per day) Crystal Sapphire crystal with magnifier (anti-reflective coating) Luminous LumiBrite on hands, indexes and bezel Case / Band Material Stainless steel case, ceramic bezel insert with stainless steel band (three-fold clasp with secure lock, push-button release with extender) Water Resistance 200m / 660ft diver Case Size Thickness: 12.8 mm Diameter: 43.8 mm Length: 48.7 mm Lug width: 22.0 mm Other Specifications Seiko Prospex x Automatic ft. King Samurai aka Manta Ray aka Save The Ocean (STO) (Special Edition) SPECIAL EDITION on the case back Unidirectional rotating bezel Screw-down crown Screw case back 23 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)