In this series of videos, SolimBD shows his process of how to service a Tissot Powermatic 80 (aka ETA caliber...
Powermatic 80
Manufacturer Tissot Caliber Number Powermatic 80, Powermatic 80.111, PM80 Base Caliber ETA C07.111 (based on the ETA 2824-2) Lignes 11.5”’...