A. Lange & Söhne

bought rose today, just realized doesnt have power reserve and you cannot see the barrel spring to tell when tightly wound.. whats the power reserve tho? cannot find on site/book/etc

nt

i guess ill wind every morning and find out by noon if i forgot to wind it :-( im thinking maybe the timezone would have been a better choice but i cant find the PR specs on that either.. wish they would list in the catalog

iHi rijowysock, The Datograph has a stop works mechanism that keeps it from being wound to the very end of the mainspring and only lets it run 36 hours. This keeps it operating in the optimal portion of the mainspring's power curve, for maximum accuracy a... 

BUT, this is a pleasure to wind your Dato, quite a ceremony, my friend. So, you just need to get used to wind it once a day ,at the same hour, and then you won't forget, it will be like eating... Enjoy this piece of Art, and foerget this little deception,... 

It is not hard to reset. If it were a perpetual calendar with only 36 hours, it would be a pain to forget to wind it, and have to reset it, but with only a date and time to set, the downside to forgetting should be low. Eric von Schonberg