OMEGA. AN 18 carat GOLD SINGLE-BUTTON CHRONOGRAPH WRISTWATCH

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OMEGA. AN 18 carat GOLD SINGLE-BUTTON CHRONOGRAPH WRISTWATCH
signed Omega, circa 1930

with gilt-finished lever movement, 17 jewels, bi-metallic compensation balance, the silvered matt dial with baton and Arabic numerals, two subsidiary seconds indicating constant seconds and register for 30 minutes, outer ring calibrated for pulsation, circular hinged case, together with a gold associated bracelet, case, dial and movement signed- 33mm. diam.