The Lanco - Langendorf 25 (aka 1725) arrived in the post this morning. I would guess this is from the 1920s or 1930s.  I gave it a quick once over to see how much pocket watch you get for £2.20 (+p&p) and was pleasantly surprised. After a partial strip and clean I have proved it will actually go. The palette clicks over nicely in response to a slight nudge, but there are a few hurdles to jump before it is fully functional. It needs an hour and minute hand (Ranfft stat