Alba (From Seiko) Active x Automatic ft. Skeleton Men Formal Round 100m Water Resistant Watch AU4027X Discover the Alba (from Seiko) Active series automatic watch, featuring a bold 43mm stainless steel case and a translucent layered dial. Powered by the Caliber Y675 mechanical movement with date display, it offers 10 bar water resistance and a see-through case back, all on a stainless steel wrap bracelet. Caliber Number / Movement Y675 (automatic) Power Reserve / Accuracy Approximately 41 hours (+25 to -35 seconds per day) Crystal Mineral crystal Luminous Luminous on hands and indexes Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 12.2 mm Diameter: 43.0 mm Length: 49.2 mm Lug width: 22.0 mm Other Specifications Alba (From Seiko) Active x Automatic ft. Skeleton See-through back case Screw case back 21 jewels Date display Regular timekeeping (analog display)