Seiko Presage x Automatic ft. Sharp Edged Series aka GMT aka Akebono (Limited Edition of 2,000 Pieces) Men Formal Round 100m Water Resistant Watch SPB361J1 SPB361 SPB-361 SPB-361J1 The Seiko Presage Sharp Edged Akebono SPB361 blends Japanese craftsmanship with striking aesthetics, featuring a mesmerizing black-to-blue gradient daybreak dial. This 42.2mm stainless steel watch houses the 6R64 automatic movement (45h power reserve) with sapphire crystal and 100m water resistance. A limited-edition dress watch that captures the beauty of dawn with its sharp-edged case and elegant H-link bracelet. Caliber Number / Movement 6R64 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 45 hours (+25 to -15 seconds per day) Crystal Sapphire crystal (anti-reflective coating) Luminous LumiBrite on hands and indexes Case / Band Material Stainless steel (hard coating) case with stainless steel band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 13.7 mm Diameter: 42.2 mm Length: 49.2 mm Lug width: 20.0 mm Other Specifications Seiko Presage x Automatic ft. Sharp Edged Series aka GMT aka Akebono (Limited Edition of 2,000 Pieces) Made in Japan LIMITED EDITION on the case back Serial number engraved on the case back See-through case back Screw case back 29 jewels Date and 24-hour (GMT dual time) display Power reserve indicator Calendar-linked time difference adjustment function Stop second hand function (hacking mechanism) Regular timekeeping (analog display)