Description
This movement is a direct relative of the caliber 5a. The only differece is the usage of two jewels: On the caliber 5a, the anchor wheel is pivoted in two jewels, the caliber 7 uses them on the pin lever itself.
Technical data
| Manufacturer: | Emes |
| Caliber: | 7 |
| Size: | 6 3/4 x 8 1/2''' |
| A/h: | 18000 |
| Number of jewels: | 7 |
| Escapement: | Pin lever |
| Balance types: |
Nickel anular balance |
| Shock protection(s): |
Monorex |
| Balance bearing / direction hairspring: | Clockwise |
| Moveable stud: | no |
| Adjust mechanism: | Long regulator arm |
| Construction: |
|
| Winding mechanism: | rocking bar winding system |