The Omega Constellation Automatic Chronometer (ref. 1202.30.00) is a dress watch with a 35.5 mm round case in stainless steel and yellow gold. It has a silver dial under sapphire crystal.
It is powered by a self-winding mechanical movement. Features: COSC chronometer, luminescent hands, roman numerals on the bezel, integrated bracelet, screw-down caseback. Water-resistant to 50 m. The watch is fitted with a Constellation Integrated strap with a folding clasp in steel.
This example is pre-owned and in good condition.