Separate names with a comma.
Sure, but that's a VERY expensive fluid to use up that way! I bought a gallon of Simple Green at the hardware store and use it diluted about 10:1...
Oh, it's in Bestfit, 6x10x10.5, white-a-loy 610H, samson 6061.
Sorry no, it's identification only. (AWCI library)
Tom, I have seen left-handed screws on barrel arbors too, often on little tiny swiss ladies'...
I think they are Lavina 123. The one on the left just has part of the set bridge broken off.
Can you show all the keyless parts? Maybe I can ID it. Most of your attachments in the first post don't show up for me.
If you look at the remains of your broken screw under the microscope you can usually tell which way the thread goes. Either the partial thread...
Thank you for the extra information! It's just a sapphire watch crystal!
NOS Original Seiko Watch Crystal SA0W31AN00 | eBay
I think this might be the right one? If that's the shape I doubt there's a glass version.
Thanks for asking here. What a great article. My random thoughts:
Before reading this article my opinion was that it's worth the trouble...
It's a Valjoux 72, which is great, because anyone competent to service vintage chronographs can find any needed parts.
Wow that looks useful.
Typically, balance hole jewels don't have bores for the screws. Balance cap jewels do. Almost always, the hole jewel is the one that is broken,...
If it's verdigris on brass, try a gentle acid like vinegar or lemon juice.