A Swiss 'Zenith' gold open face pocket watch, c.1920 (with hollow gold chain fob), stamped 14ct the dust cover with 'Grand Prix 1900'. Zenith lever movement with bi-metallic balance and micro adjust jewelled to the centre. Enamel dial in good order. Diameter 1.85 in.
- Movement - The technical name for the workings of a clock or watch, and does not include the dial or case.
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