Seiko 5 x Automatic ft. Retro Vintage Men Formal Round Water Resistant Watch SNKK81K1 SNKK81 SNKK-81 SNKK-81K1 Discover the Seiko 5 vintage watch, featuring a durable stainless steel case and band, a reliable 7S26 automatic movement with a 41-hour power reserve, and water resistance. This stylish timepiece boasts a hardlex crystal, lumibrite hands, and a classic analog display with day and date functionality, making it a perfect addition to any formal outfit. Caliber Number / Movement 7S26 (automatic) Power Reserve / Accuracy Approximately 41 hours (-20 to +49 seconds per day) Crystal Hardlex crystal Luminous LumiBrite on hands and indexes Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with push-button release) Water Resistance Water resistant Case Size Thickness: 11.0 mm Diameter: 38.0 mm Length: 42.3 mm Lug width: 18.0 mm Other Specifications Seiko 5 x Automatic ft. Retro Vintage See-through back case Screw case back 21 jewels Day and date display Regular timekeeping (analog display)