This is the third and last version of the popular selfwindig movement 6119, which can be found in many Seiko watches of the late 60ies/early 70ies. The most visible difference to the caliber 6119A is the fixation of the rotor, which now only consists of one single center screw.
|Number of jewels:||21|
|Balance bearing / direction hairspring:||Counterclockwise|
|Adjust mechanism:||Hairspring key|