Kembery Antique Clocks Ltd has dated this piece to the 1920s.
Case inner marked 18 K gold and date mark for London 1921. The watch is in remarkably good condition showing little use for the age.

Usher & Cole of London were fine makers and made ships chronometers.
Case width 48mm
From Kembery Antique Clocks Ltd you can expect a genuine antique watch in full working order with 12 months guarantee. Worldwide tracked and insured delivery, please contact us for a quote. We are members of The British Watchmakers and Clockmakers Guild.
Kembery Antique Clocks Ltd has dated this piece to the 1920s.
You can view the stock and full dealer information on the Kembery Antique Clocks Ltd Profile Page