OMEGA. AN 18 carat GOLD SQUARE CALENDAR WRISTWATCH WITH PHASES OF THE MOON

细节
OMEGA. AN 18 carat GOLD SQUARE CALENDAR WRISTWATCH WITH PHASES OF THE MOON
signed Omega, circa 1955

with circular copper-finished lever movement, mono-metallic balance, 17 jewels, the silvered matt dial applied with triangular numerals, windows for day and month, subsidiary seconds combined with phases of the moon, outer ring calibrated for date, square case, case, dial and movement signed- 32mm. wide