Omega Constellation 1202.30.00

A gent's bi-metal Omega Constellation chronometer automatic wristwatch, ref: 12023000, No. 81381500, circa 2007, having a signed champagne dial with baton markers, date aperture at 3 o'clock, fixed yellow metal Roman bezel, calibre 1120 23-jewel automatic movement, compression case back with Constellation Observatory logo and serial number, case dia. 35mm, on integral bi-metal bracelet with fold-over sliding clasp and push button release, in Omega polished red leather box