Kembery Antique Clocks Ltd has dated this piece to the 1930s.
A subsidiary seconds dial to 6 o'clock. A 15 jewel Longines caliber 10 68 Z manual wind mechanism. Case back inner marked 'Acier Inox Staybrite' and bearing the same serial number as the mechanism. Serial numbers date this watch to 1933.
Case height 38mm.
Case width 25mm.
Kembery Antique Clocks Ltd has dated this piece to the 1930s.
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