Seiko 5 Sports x Automatic ft. SKX Series aka Auto Moai (Limited Edition of 1,500 Pieces) Men Formal Round 100m Water Resistant Watch SRPG43K1 SRPG43 SRPG-43 SRPG-43K1 Own a piece of horological history with the Seiko 5 Sports Auto Moai SRPG43K1 - a limited edition of 1,500 pieces celebrating the iconic SKX series. This 100m water-resistant automatic features a 42.5mm hard-coated steel case, calfskin leather strap, and LumiBrite illumination. Powered by the 4R36 movement (41h power reserve) with exhibition case back, it is a collector dream. 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 and indexes Case / Band Material Stainless steel (hard coating) case with leather (calfskin) band Water Resistance 100m / 10 bar Case Size Thickness: 13.4 mm Diameter: 42.5 mm Length: 46.0 mm Lug width: 22.0 mm Other Specifications Seiko 5 Sports x Automatic ft. SKX Series aka Auto Moai (Limited Edition of 1,500 Pieces) LIMITED EDITION on the case back Serial number engraved on the case back Magnetic resistance (4,800 A/m) Undirectional rotating bezel See-through case back Screw case back 24 jewels Day and date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)