Seiko 5 Sports x Automatic ft. SKX Series aka 145th Anniversary aka Edo Purple (Limited Edition of 9,999 Pieces) Men Formal Round 100m Water Resistant Watch HDB003K1 HDB003 HDB-003 HDB-003K1 Discover the Seiko 5 Sports HDB003, a 145th Anniversary Limited Edition blending iconic SKX-inspired design with Japanese heritage. Its rich Edo-purple dial and gold accents create striking contrast, framed by a stainless-steel case and three-row bracelet. Powered by the automatic 4R36 caliber, it features LumiBrite, curved hardlex crystal and a transparent case back. Caliber Number / Movement 4R36 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 41 hours (+45 to -35 seconds per day) Crystal Hardlex crystal (curved) Luminous LumiBrite on hands, indexes and bezel Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with secure lock, push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 13.9 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 145th Anniversary aka Edo Purple (Limited Edition of 9,999 Pieces) LIMITED EDITION on the case back Magnetic resistance (4,800 A/m) Unidirectional 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)