Seiko Prospex x Automatic ft. Land Tortoise aka The Black Series aka Night Vision (Limited Edition of 7,000 Pieces) Men Formal Tonneau 200m Water Resistant Watch SRPH99K1 SRPH99 SRPH-99 SRPH-99K1 Discover the Seiko Prospex Black Series Tortoise SRPH99K1, a land-adventure watch with a 42.4mm black hard coated stainless steel case, sapphire crystal, and compass bezel. Powered by the 4R35 automatic movement with 41-hour power reserve, 200m water resistance, and green luminescent markers. Includes emergency signal case back. Caliber Number / Movement 4R35 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 41 hours (+45 to -35 seconds per day) Crystal Sapphire crystal Luminous LumiBrite on hands and indexes Case / Band Material Stainless steel (hard coating) case with leather (polyester) band Water Resistance 200m / 20 bar Case Size Thickness: 11.7 mm Diameter: 42.4 mm Length: 45.2 mm Lug width: 20.0 mm Other Specifications Seiko Prospex x Automatic ft. Land Tortoise aka The Black Series aka Night Vision (Limited Edition of 7,000 Pieces) LIMITED EDITION on the case back Serial number engraved on the case back Bidirectional rotating bezel Screw-down crown Screw case back 23 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)