This ETA movement is not marked, but according to its size and functions, it must be an ETA 735. It has got a nickel screw balance (not shock protected), a long regulator arm, a decentral second indication and a large mainspring. The anchor wheel is below an own bridge.
The vieable part of the movement is decorated with simple stripes.
|Size:||7 3/4 x 11'''|
|Number of jewels:||15|
Nickel screw balance|
|Balance bearing / direction hairspring:||Clockwise|
|Adjust mechanism:||Long regulator arm|
|Winding mechanism:||yoke winding system|
|Setting lever spring:||2 hole(s)|
Flume: 1947 31|