My father in law had 2 Omegas but he has now passed. One was his (metal strap) and was purchased in 1959, the other (leather strap) belonged to his father but I do not have the receipt or purchase date for the older watch. Any thoughts or ideas of model for both and age for the older watch please? I’d like to get a little history before I pass them on to his Grandson.
Also as an aside, they both are working just fine but is a full service recommended?

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