Omega Constellation CE 168.019

OMEGA Constellation chronometer wristwatch reference CE 168.019, self winding, Switzerland around 1969, stainless steel case with red gold cap including red gold plated original bracelet reference 1040, screwed down case back with representation observatory, silvered structured dial with raised indices, movement copper coloured, calibre 751, 24 jewels, Glucydur-balance, flat hairspring, incablock shock-absorber, swan´s neck regulateur, adjusted in 5 positions, date and day, diameter approx. 35 mm, length approx. 20 cm, condition movement 2, condition case 2-3, property of a collector