Balance Staff Replacement Questions

I’m a novice with limited skill and equipment. If I run into a watch with a bad balance staff, my go-to action is to hunt for a donor movement with a good balance complete and cock. This can sometimes involve the purchase of several movements, however. Is purchasing a new or NOS balance staff and having a certified watchmaker replace the damaged staff worth the cost? Also, since I’ve never had this done as a stand alone job, would a watchmaker even do this? And does anyone have a guess as to…

Balance Staff Replacement Questions

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Harwood Autorist

Hello, long shot but I have a Harwood Autorist (gents calibre based on AS 624) which is missing part of its autowind mechanism – it’s the upper ratchet wheel which is described as “pivoting trilobed plate” – basically a flat disc with three lobes, two of which have studs on their lobes, the third has a connecting rod.

Hens teeth and I’m guessing that it would have to be an extremely benevolent watchmaker who might have any Autorist parts tucked away which they might part with but please…

Harwood Autorist

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Stuck on vintage LeCoultre

I recently picked up this vintage LeCoultre automatic. Still runs but needs some work. It’s an old bumper, a P812 to be exact. After removing the case back and stem, the movement and dial still don’t want to come loose. I want to be very cautious as this is one of the more expensive watches I have worked on. Could be just a stubborn retainer ring? Or is there a unique quirk of this watch that I’m overlooking? Any help would be much appreciated.

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