Dear Friend, the caliber in your watch is a Frederic Piguet 61 extra thin. one of the top manual calibers ever produced and ultra thin to boot. Enjoy. Rafael
This robust little guy is the heart inside my Tank Basculante A10. I like it that the balance bridge is supported by two screws - a feature I have never seen on a movement this small before. Anybody can help me identify the origin of Cartier cal. 161? ...
Dear Friend, the caliber in your watch is a Frederic Piguet 61 extra thin. one of the top manual calibers ever produced and ultra thin to boot. Enjoy. Rafael