Have it serviced by Patek in Geneva or in Asia by Geneva Master Time in Singapore to the right specification and parts. You will not regret, and enjoy your watch for a lifetime. 😊
I love the watch and especially the big crown. Watch is easy to wind. I have a 1974 ref. 3420 at the same size, but the crown is so much smaller - crazy that 20 years should make things worse. Well, I have a question. Looking at the crown on my 1955 watch...
If it was mine , I would change the dial Hands look OK ??minute hand too long though? Crown is replacement and I would try a get a patek crown Lovely watch Julian
Not sure of the date that pp changed their crown and added the calatrava cross If you are thinking of a double pp crown that was only for automatic models