MovementAutomatic ( Miyota ) 8215 Case Material316L Stainless Steel Case diameter36.0mm Case Length44.0mm Case Thickness13.25mm Case FinishingPolish / Brush finishing Case backStainless steel, screw down Strap MaterialMetal Bracelet / Leather Strap Size20 mm GlassDouble domed / Acrylic Crystal Water Resistance10 ATM