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By rottobotics · Posted
I appreciate the suggestions. The o ring was hardened and Cousins would have cost $13 shipped, so I ended up sanding and filing a 2mm ID, 4mm OD down to size that I had around. The washer wasn't going to stay in place on it's own, so soldered it. I hadn't thought of that before, so thanks for mentioning it. If this fix doesn't work out, it looks I should probably just replace the whole crown. -
Dear sirs, I have an Omega pocket watch with movement serial number 4480628 and the balance spring became torn as the picture included below. I've got a similar movement for spare parts but it is from the next series (5023967). Do you think the spring might be compatible? Thank you for your help! Best regards, gerardo. -
By Senyamnesi · Posted
I had to deal with the same battery confusion on my old Casio. For the AQ-321G, I used a lr41 battery equivalent and it worked fine—no issues with fit or powering the module. Just make sure the contacts are clean and you haven’t lost that tiny spring during the swap, which almost happened to me. -
By Senyamnesi · Posted
I swapped mine with a 377 and it's worked fine for over a year. Just make sure the contact springs are clean and sitting right when putting it back together. -
No reason not to use modern synthetic oils. They will perform as well or better, and they will last longer. One thing to watch for when the train pivots are not jeweled - old watches tend to have worn out and egg-shaped pivot holes with excessive sideshake. Light oil like 9010 can run right out of them - they do a poor job retaining lubrication in the oil sink. If I find that happening and cannot close the pivot hole adequately, I may go to HP1300 for all of the train except the escape wheel since it stays in place a little better.
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