細節
Omega. A fine 18K gold automatic wristwatch with sweep centre seconds and two-tone gilt dial
Signed Omega, Automatic, Constellation, Ref. OT 2853, movement no. 15'345'148, case nos. 315'164 and 164'108, manufactured in 1957
Cal. 505 automatic movement, 24 jewels, two-tone gilt dial, applied gold triangular-shaped numerals, sweep centre seconds, circular water-resistant-type case, large flat bezel, winged lugs, snap on back centred by the raised representation of the Geneva Observatory, 18K gold Omega buckle, case, dial and movement signed
35 mm. diam.