SRPK91 Seiko 5 Sport SNXS Series SRPK91 Specifications MovementCaliber Number 4R36Movement Type Automatic with manual windingPower reserve Approx. 41 hoursJewels 24FunctionsDay/Date displayStop second hand function Case/BandCase Material Stainless steelCase SizeThickness: 12.5mmDiameter: 37.4mmLug-to-lug: 44.7mmCrystal Box-shaped HardlexLumiBrite LumiBrite on hands and index(es)Clasp Three-fold clasp with push button...