Omega, a gentleman's 18ct. gold automatic Constellation Chronometer wristwatch, 1961.

細節
Omega, a gentleman's 18ct. gold automatic Constellation Chronometer wristwatch, 1961.
gilt dial with baton markers, date aperture, dauphine hands and sweep centre seconds, gilt self-winding Cal.561 movement with 24-jewels and adjusted to five positions, monometallic balance with micrometer adjustment to the regulator, case with screw back with engraved date, dial, movement and case signed, diameter 34mm.