Seiko 5 Sports x Automatic ft. SKX Series aka Urban Cement Men Casual Round 100m Water Resistant Watch SRPG61K1 SRPG61 SRPG-61 SRPG-61K1 Discover a rugged and affordable tool watch that embodies a military aesthetic, reflecting Seiko reputation for durability and simplicity. This field watch, part of the Seiko 5 Sports collection, pays homage to a beloved classic while integrating modern features. It offers exceptional value and the unique charm that Seiko is celebrated for, making it a standout choice for watch enthusiasts. 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 case with fabric (nylon) 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 Urban Cement Unidirectional rotating bezel See-through back case Screw case back 24 jewels Day and date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)