Omega, a gentleman's gold Constellation automatic wristwatch, 1950's,

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Omega, a gentleman's gold Constellation automatic wristwatch, 1950's,
18k, silvered dial with applied gilt tapered baton markers, dauphine hands, sweep centre seconds, 17-jewel self-winding gilt movement adjusted to five positions and temperatures, compensation balance with micrometer adjustment to the regulator, buffered rotor, waterproof case with snap on back, dial, movement and case signed, diameter 34mm.
See Illustration (Plate 15)