Jorg Hysek Io Timepieces BrandJorg Hysek CollectionTimepieces ModelIo ReferenceIo Moon Phase Country of originSwitzerland Type of watchMen's Case materialSteel Case diameter42 mm Case thickness12 mm Power reserve38 hours Water resistance50 m AutomaticHoursMinutesSecondsDateDay of the weekMoon phaseMonthWristwatch