A hard to find movement is the Peseux 61, a ladies’ watch manual wind movement with a diameter of 8 3⁄4 lignes.
The construction of this movement is contemporary, with decentral second a 6 o’clock and a directly driven minute wheel.
The screw balance beats with 18000 A/h and is beared in the old Incabloc shock protection, which was developed 1928 and whose usage can be recognized by the printing “Incassable” on the dial. Only a few years later, it was superseded by the modern Incabloc type, which is still produced until today.
Unfortunately, the specimen shown here is massively water harmed, so the gear train cannot be shown.
On the dial side, you see besides the yoke winding system also fragments of the dial side part of the old Incabloc shock protection, its cap jewel and the arc shaped spring, which fixes it with two arms.
|Number of jewels:||15|
Nickel screw balance|
|Balance bearing / direction hairspring:||Clockwise|
|Adjust mechanism:||Long regulator arm|
|Construction type:||solid construction|
|Winding mechanism:||yoke winding system|
|Setting lever spring:||3 hole(s)|
|Functions:||hour, minute, decentral second|