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Whats everybody's technique on oiling non-shock protected cap jewels


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Exactly as WW said. In most cases trying to oil the cap jewel then screwing the setting together will result in a total mess.

 

I usually use taper pins for pinning hairsprings (because I have 10s of thousands of them), but there's a commercial tool that works great, known as an oil inserter or oil pusher. Oil the cup side of the hole jewel, then push the oil through to the cap, capillary attraction will pull it all down then. More can be added as needed to get the oil circle correct. The oil pushers have the pin in a reversible bit for protection in the handle, and a couple of spare pins in the back of the handle. Very good tool; not quite fine enough for some of the smallest ladies calibers, but great for 99% of watches.

 

 

oil pusher.jpg

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