Waltham"Traveler" database says this is Model 1908 but comparing movements in the price guide it looks to be an Equity 16 1/2 size.Even though the movt. is marked Traveler.A 16 size movt. fits very well in the case. S/N 19169946. I guess it is one of those weird Waltham things.
Roger

Movt.

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