The movement is made in a pier construction, has got a subsecond hand at “6” and is wound with a rocking bar winding mechanism on the dial side.
Nevertheless, there’s a small difference to the other movements: The balance in beared in two Trishock-like shock protection systems.
|Number of jewels:||4|
Nickel anular balance|
|Balance bearing / direction hairspring:||Clockwise|
|Adjust mechanism:||Long regulator arm|
|Winding mechanism:||rocking bar winding system|
|Setting lever spring:||1 hole(s)|
Flume: 1957 41|