Seiko 5 x Automatic ft. Retro Vintage Men Formal Round Water Resistant Watch SNKL51K1 SNKL51 SNKL-51 SNKL-51K1 Explore the legacy of the Seiko 5, an iconic watch since 1963, initially introduced as the Sportsmatic 5. Known for its exceptional value, the Seiko 5 collection offers a variety of styles, from elegant dress watches to rugged military designs, making collection easy. This model exemplifies fine craftsmanship with its well-designed round case, polished surfaces, and striking pinstriped dial, making it a top choice for watch enthusiasts. 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: 10.6 mm Diameter: 37.1 mm Length: 41.8 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)