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Posted (edited)

Hello,

 

I am in need of a new crystal for my open face vintage pocket watch - current one is in bad shape and I unfortunately made it slightly worse... It did not feel like anything "glassy", hence I assumed it's plexi. I followed tutorials on plexi glass restoration like small grit sandpaper then polishing paste (Polywatch). Sandpaper was doing almost nothing to the glass but making it scratchy and matte, and polishing paste had no effect at all - trust me, been polishing like 30 minutes, fingers hurt... 馃槃

 

I think the material is different - please do let me know if you can tell by pictures and description above. Since I need a new one I started looking but I am not sure what shape I need and what material. Adding some pictures here and raw data.

 

Outer diameter (the very edge of crystal) - 39mm (some tries indicate slight less +/- 0,04mm)

Thickness (close to the edge) - 1,16mm

Form - almost flat, but has small curvature upwards, like a very flat dome

Feels like hard plastic/plexi?

I was able to push it out of pocket watch case with my fingers (it sat tight but was kinda flexible, at least a little), I am also able to refit it back into case with my hands only, like it has slight flexibility that you cannot really see or feel when it bends.

 

Any help is deeply appreciated, if any brand name of a replacement could be provided that would be great since I live in Poland and will have to try to find it on local market probably.

 

EDIT

I found out that it probably is mineral and cannot be repaired. Also, replacement is difficult to get and expensive. Any plexi/acrylic replacement I can get? Anything that would fit such watch?

PXL_20221112_200523668.jpg

PXL_20221112_200357307.jpg

PXL_20221112_200630410.jpg

PXL_20221112_200333681.jpg

Edited by Dzwiedz

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