Seiko Prospex x Automatic ft. King Samurai aka PADI (Special Edition) Men Diver Round 200m Water Resistant Watch SRPG21K1 SRPG21 SRPG-21 SRPG-21K1 Explore the depths with the Seiko Prospex King Samurai PADI SRPG21K1 - a special edition 200m diver featuring ceramic bezel and sapphire crystal with AR coating. Powered by the 4R35 automatic movement (41h power reserve) with LumiBrite illumination and silicone band for comfort. Supports ocean conservation with professional dive performance. 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 silicone band 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 PADI (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)