Not unknown in the history of Patek. You are the proud owner of a so called "disco volante", which means "flying saucer", because it looks like this if you look at it from the profile. It's caliber is the first automatic caliber of Patek, the 12-600, the most beautiful one, they have ever made, and
Thank you for your answer! :o) So far, you are the only one who has mercy with me and gives me an answer. :o) No, unfortunately it was not a Patek Ref. 3700, which I have bought. I made my decision for a Patek Ref. 3604 in yellow gold from 1975, housing the same movement, but for much less costs (po
Dear Forum-friends! Recently I bought a vintage Patek housing the beautyful Caliber 28-255C. This Caliber is based on the Jaeger Cal. 920, which is also used by Vacheron Constantin (Cal. 1121) and Audemars Piguet (Cal. 2121). The watch runs perfectly but there is one thing which makes me a little wo
... and so the Ref. 3940 did (since 1987), though it is moving a perpetual calender also. My Ref. 6000 houses a Cal. 240 also - up to now there weren't any problems. Oliver