Heart Movement Japanese Movement Battery Standard Type Case Material Brass Plating IP Gold or IP Silver Case Finish Polish Case Size 45mm X 38mm Lugs 10mm W/R ATM 30m Lens Mineral Glass Caseback Snap Back Crown Stainless Steel W/Double Ring Band Type Stainless Steel Total Length 190mm Max Fitting Length 190mm Clasp Type 10mm Double Folded Clasp Total Weight 83g