Soviet Air Force Aviation Clock ACHS-1 Pilot Watch

The ACHS-1 aviation clock is used to measure flight duration in hours and minutes. It displays the current time in hours, minutes, and seconds and includes a stopwatch function for measuring short time intervals in minutes and seconds for up to one hour. The clock was used in MiG aircraft. The item is in excellent used condition and is fully operational. The mechanical movement has a power reserve of approximately two days. The received item may vary slightly from the image.