OMEGA wristwatch Constellation Co-Axial reference 12310352001001, self winding, stainless steel case including bracelet with butterfly buckle, on both sides glazed, screwed down case back, black dial with raised indices, display of hours, minutes, sweep seconds & date, rhodium plated movement, 27 jewels, calibre 2500, adjusted in 5 positions, fausses cotes decoration, diameter approx. 35 mm, length approx. 20 cm, original box & papers, sold in August 2012, signs of use due to age, condition 2