Miyota Japanese quartz 3 hand movement with date function
38mm, 5 ATM custom stainless steel case with hardened mineral crystal, custom crown with enamel fill, and stainless steel screw down caseback. Case thickness is just over 8mm
Japanese-quartz Movement
Case Diameter: 38mm
Water resistant to 50m (165ft: in general, suitable for short periods of recreational swimming, but not diving or snorkeling