Brand Seiko Model SUR399P1 Movement Japan Quartz (Battery) Cal. 6N52 Glass Hardlex Diameter 40 mm without Crown Thickness 8 mm Lug to Lug 48 mm Lug Width 20 mm Case Stainless Steel Band Stainless Steel (padat) Clasp Three-fold clasp with push button release Dial Color Blue Water Resistant 5 BAR Date Display