Description
This selfwinding movement is with 7 1/2 lignes very small, but rather thick. During it production in the 1970ies and early 1980ies, it was one of the smallest selfwinding movements on the market.
The difference to caliber 420 is unknown.
Technical data
Manufacturer: | Förster |
Caliber: | 1420 |
Size: | 7 1/2''' |
A/h: | 21600 |
Number of jewels: | 21 |
Escapement: | Pallet lever |
Balance types: |
Nickel anular balance |
Shock protection(s): |
Incabloc |
Balance bearing / direction hairspring: | Clockwise |
Moveable stud: | yes |
Adjust mechanism: | Hairspring key |
Features: |
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