Seiko 5 Sports x Automatic ft. SKX Series Couple Formal Round 100m Water Resistant Watch SRPE53 SRE003 SRPE SREElevate your style with the Seiko 5 Sports Automatic SKX Series Couple Watch - a perfect blend of elegance and durability. 100m water-resistant, Hardlex crystal, and lumibrite for visibility. Features a stainless steel case and band, 40-hour power reserve, and day-date display. Ideal for formal occasions with hacking mechanism and see-through case back. Shop now for precision and timeless design!Caliber Number / Movement4R36 / 2R06 (automatic with manual winding capacity)Power Reserve / AccuracyApproximately 40 hours (+45 to -35 seconds per day)CrystalHardlex crystalLuminousLumibrite on hands and indexesCase / Band MaterialStainless steel case with stainless steel band (three-fold clasp with push-button release)Water Resistance100m / 10 barCase SizeThickness: 11.5 / 11.2 mmDiameter: 40.0 / 28.0 mmLength: 44.6 / 33.1 mmLug width: 20.0 / 14.0 mmOther SpecificationsSeiko 5 Sports x Automatic ft. SKX SeriesSee-through back caseScrew case back24 / 21 jewelsDay and date displayStop second hand function (hacking mechanism)Regular timekeeping (analog display)