Swiss 18K gold open faced lever pocket watch Circa 1921

Gold lever watch by Longines
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A Swiss 18 carat gold keyless wind open faced lever pocket watch, London Import mark for 1921. A 16 jewels Swiss lever movement with cut and compensated bimetallic balance.
Silvered dial with gilt Arabic numerals, black outer minute track, gilt beetle and poker style hands.
Polished round case with reeded band. Dial and movement signed and case stamped AB.
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Diameter: 43 mm
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Signed: Longines
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Accompaniments: 9K gold chain.