Thanks, Joe. I also found this:
http://forums.watchuseek.com/f45/inside-f300-f720-m4tt-298152.html
The article made me want to have it even more.
Also, maybe mosquitoes will be sent away by the humming -- I live right next to a forest and this might me helpful.
The seller has sworn that (a) the watch was serviced in November and (b) he'll tell me the name of the watchmaker who did it. Perphaps it's worth a shot, then?
Click to expand...