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Here is a little walk through of how I, following Geo's and Micky's advise, was able to remove the stubborn back of 2 different watches, a Seiko Kinetics with exhibition back and an Orient Auto. At this moment, the backs have been immersed in 100% acetone. I have a feeling I shouldn't have used epoxy but after literarily destroying 2 compact, made in Switzerland, back openers and one set of pins from my brand new jaxa I was taking any chances. Notice the Automotive grade tools used to force the watches open. Worst case scenario, backs can be sourced! (The salesman said this epoxy was soluble in Acetone....). Notice also that the exhibition back -- Seiko Kinetic -- needed a nut large enough to clear the crystal an hold on the outer metal ring. In any case, we'll come back for a final view of the backs after the acetone works....if it does... Cheers Bob

Just uploaded a new video. This one is one of my favourites, an Omega Military watch from the mid to late 40s. It had a broken balance staff, impulse jewel and the pivot on the centre wheel had a groove worn into it. I didn't film the lathe work but managed to get quite a bit under the camera. I hope it's useful to someone. Some pics:

I'm available for groupies to practice on.

The BHI membership consists of 70% very keen hobbyists/watch/clock collectors & 30% guys who actually earn a living from the industry.

Hi Pete, there is a time limit. I'm not sure what it is as I've been caught out myself.

Ahh bugger it! I just ordered 2 cards of them - 10 movements. It hurt to pay for that postage though - I buy a fair bit of stuff from the USA, much bigger and heavier than these things, and the postage is usually a fraction of this. I suspect it's a swings/roundabouts thing on the price - attract buyers with the low price, but scalp a bit extra on the postage. Never mind - I'll now have 10 movements I can stuff up! ;) -- Pete, Brisbane ============