Arcon-zeit. radio controlled wristwatch in a black case. Dial marked "ARCON, SYNC TIME". Rectangular opening at top of dial to indicate world time zones. "Zeit" above the opening. Three rectangular display dials to show "PMCE, Chrono"; Day-Date"; and "H, Min, Sec", also indicatiobn for "1/100". Outer dial witih indications for "Chrono-Alarm, Start, Stop, UTC, Split.LAP, Mode, light". Marked "Water resistant". Three push buttons on each side for various functions. The watch receives a time singal in the U.S. from the WWVB low frequency radio time signal at Fort Collins, Colorado. This is Sync-Time model 05015.