My mother recently gave me my grandfather's "everyday watch". After he died, it was put in a drawer and forgotten about for over 40 years. I wound it and it started right up, losing about ten minutes per day. It is now back from service and it runs perfectly. If anyone can give me any information regarding the model, year, etc. it would be appreciated. The dial simply says LONGINES with no logo. The case is stainless and the case back has no markings at all. I realize that it is difficult to make an assessment with no view of the movement, but I don't want to take the case back off.
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