Seiko Presage x Automatic ft. 1964 Crown Chronograph aka Style60s aka GMT Men Formal Round 50m Water Resistant Watch SSK013J1 SSK013 SSK-013 SSK-013J1Discover the Seiko Presage GMT, a sophisticated timepiece powered by the automatic 4R34 movement with true dual-time functionality, housed in a polished stainless steel case with a date window and 100m water resistance. The matching band ensures comfort and style, blending Japanese craftsmanship with modern utility for the discerning global traveler.Caliber Number / Movement4R34 (automatic with manual winding capacity)Power Reserve / AccuracyApproximately 41 hours (+45 to -35 seconds per day)CrystalHardlex crystal (curved)LuminousLumiBrite on hands and indexesCase / Band MaterialStainless steel case with leather (calfskin) bandWater Resistance50m / 5 barCase SizeThickness: 13.0 mmDiameter: 40.8 mmLength: 47.0 mmLug width: 20.0 mmOther SpecificationsSeiko Presage x Automatic ft. 1964 Crown Chronograph aka Style60s aka GMTMade in JapanMagnetic resistance (4,800 A/m)See-through case backScrew case back24 jewelsDate and 24-hour (GMT dual time) displayStop second hand function (hacking mechanism)Regular timekeeping (analog display)