细节
Omega. An 18K gold openface single button chronograph keyless lever watch with original box
Signed Omega, movement no. 4504188, case no. 5196696, circa 1920
With gilt-finished jewelled lever movement, bimetallic compensation balance, gold cuvette, the white enamel dial with Arabic numerals, five outer multi-colored telemetre scales, two subsidiary dials indicating 15 minutes register and constant seconds, in plain circular case, chronograph button in the band, case, cuvette, dial and movement signed
54 mm. diam.