An 18ct white gold open faced keyless lever pocket watch, Longines for A L'Emeraude, Lausanne, Swiss, 1930's.
An 18ct white gold open faced keyless lever pocket watch, Longines for A L'Emeraude, Lausanne, Swiss, 1930's.

细节
An 18ct white gold open faced keyless lever pocket watch, Longines for A L'Emeraude, Lausanne, Swiss, 1930's.
silvered dial with Breguet numerals and subsidiary seconds, nickel finished movement jewelled to the third, plain polished case, 42mm.