Omega. A rare and attractive 18K white gold automatic wristwatch with sweep centre seconds and silver box

Omega. A rare and attractive 18K white gold automatic wristwatch with sweep centre seconds and silver box
Signed Omega, Constellation, Automatic, ref. 2852, movement no. 15'037'556, case no. 111'616, manufactured in 1957
Cal. 501 automatic movement, 19 jewels, silvered dial, applied dagger and Arabic numerals, sweep centre seconds, circular case, snap on back, stainless steel Omega buckle, case, dial and movement signed
34.9 mm. diam.