Omega. A gentleman's two colour gold diamond set automatic calendar wristwatch
Signed Omega, model Constellation, 1960s
The pink gilt automatic movement adjusted to five positions and temperature, 25 jewels, monometallic balance with micrometer regulation, the silvered dial with diamond set five minute indexes, aperture for the day and date, sweep centre seconds, in white gold tonneau case with yellow gold milled bezel and screwed back, case, dial and movement signed
40 x 35 mm.