• If it says Swiss Made it is not an antique. Maybe 75-85 years or so old or less. .935 is the amount of silver -- 935 parts pure out of 1000. Which is fair quality "sterling silver" equivilant, which is often 950-975/1000. Without a good photo of the watch I cannot be 100% sure, but I would guess it is from the 1920-40 time period. The Key wind is a mystery. Are you sure it says Swiss Made? They did not have to put that on there until 1891 or so. The works can be swiss made and be older or newer than the case. This happens alot. That is why without photos of th case and works, I can't tell you for sure age wise on them.

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