Omega Cosmic OT 3944

Omega. A fine 18K gold square full calendar wristwatch with phases of the moon and black dial Signed Omega, Cosmic model, movement no. 12591655, case no. 10805815, ref. OT 3944, circa 1952 Cal. 381 copper-finished lever movement, 17 jewels, the black dial with applied dagger numerals, outer date ring with central date hand, two windows for day and month, aperture for phases of the moon combined with constant seconds, in square-shaped case with stepped triangular-shaped lugs, snap on back, 18K gold Omega buckle, case, dial and movement signed 33 mm. wide