I think you did really quite well. 40 bucks a month for six months doesn't hurt! These linen dials are getting a bit thin on the ground..it might be the light but it has an unusual patina. GP cases this old have generally been through a lot and yours is no different. if it bugs you you might want to recast it in a nice period stainless steel and throw on a BOR bracelet.like mine here
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The movement looks to be in good condition snd there's certainly evidence of maintenance done. Not entirely sure about the crown , but others will know more.
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