Ulysse Nardin

Not having worn my Acqua Perpetual since December, I started to set the correct date yesterday. Normally, this is not something to think about twice, due to Ludwig Oechslin's brillant mechanism this is accomplished within less than two minutes. This time,...  

It was few years ago and I believe also in February. I solved it exactly the same way you did: by manually advancing the time to the next day. My watch was serviced relatively recently and I don't know if it fixed the issue. Interestingly I never experien... 

... and was not worn long or often enough since to suggest another service. Time keeping is still very good, it has a tendency to run a little bit faster, though. Marcus

... which I like because of the standard Marine Diver hands that are a little bit more legible in the dark than the arrowhead Acqua hands. Marcus

Do the day and year set as easily as the month and date?

... which is the secret behind its good useability. It is thus possible to adapt to changes in the leap-year cycles without having to send in the watch (academic issue, of course). To change the day you have to move the hands via the crown forward or back... 

month (but never on a winder) and have not worn it a lot overall. It still has proper reserve time and is within chronometer limits (actually is extremely accurate!). However, my MIH did something similar. It's date kept jumping back in mid month (15-16?)... 

I did sometimes have trouble getting the U-N perpetual's crown to cleanly fall into one of the proper 3 positions. I put a tiny drop of lube on the stem and it took care of the problem which I think was due to an o-ring dragging on the stem. I have had th...  

... including the crown"falling" into winding position from quick-set rather frequently. Regards, Marcus

Is needed, tell UN about it?