Seiko General x Automatic ft. Military Men Formal Round 100m Water Resistant Watch SRPC89K1 SRPC89 SRPC-89 SRPC-89K1 Seiko Military SRPC89K1 - Rugged 43.2mm automatic watch with 100m water resistance. Features hardlex crystal, luminous markers, and premium calfskin leather strap. Powered by reliable 4R35 movement (41h power reserve) with exhibition case back. Combines military durability with dress watch sophistication in Japanese craftsmanship. 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 and indexes Case / Band Material Stainless steel case with leather (calfskin) band Water Resistance 100m / 10 bar Case Size Thickness: 13.5 mm Diameter: 43.2 mm Length: 50.2 mm Lug width: 22.0 mm Other Specifications Seiko General x Automatic ft. Military See-through back case Screw case back 23 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)