This is the only russian wrist-alarm movement, which is produced since the 1960ies. It is the same, as the swiss AS 1930, is a hand-wound and equipped with a Glucydur balance. All gears run in synthetic rubies - even the alarm hammer.
The code “.1” at the end indicates, that this movement is a “first class” precision movement.
|Number of jewels:||18|
Glucydur anular balance|
|Balance bearing / direction hairspring:||Counterclockwise|
|Adjust mechanism:||Hairspring key|
Flume: K3 98|