Russian aviation clock chronograph AChS-1 (box, papers)

  • Description


Russian aviation clock chronograph AChS-1

AChS-1 is a 12-hour dial clock with special chronograph and an 12-hour elapsed time features designed for use as a navigational instrument in aircraft. This gauge is not affected by the time-zone boundaries. It is completely synchronized with MSFS internal timer, so can be used even when time acceleration is used.

Power reserve 2 days. Diameter of the case 85 mm, height of the case 60 mm. Wight: 0,9 kg. Luminous hands and numbers. No Radioactive! (B in serial number means that the luminous is not radioactive.). Serial number is # 25542 B (the same on the dial and on the papers).

Manufacture: Chelyabinsk Watch Factory (Molnija). Year of Manufacture: 1991. Condition: Perfect – New Old Stock! Factory-sealed timepieces – the clock still have all their original factory seals intact!  Original Box & Papers.

The functional features of the elapsed time clock were;

1) a 12-hour dial;
2) a chronograph system for measuring and recording short intervals of elapsed time;
3) an elapsed time mechanism entirely independent of the chronograph, for measuring long intervals of time (in both hours and minutes).

AChS-1 User Manual (PDF)

The Molnija clock and watch factory was opened on November 17, 1947.
The company’s main customer was then the Soviet Union Department of Defense, providing them with wrist watches, pocket watches and table clocks. Unique clocks were also produced specifically for use in Soviet tanks, fighter aircraft, submarines and, eventually, spacecraft.