A 1970's Omega Constellation chronometer electronic gentleman's wristwatch, of square dial form, with separate chapter ring, having raised hour markers, with date aperture to 3 o'clock, with thin penc
A 1970's Omega Constellation chronometer electronic gentleman's wristwatch, of square dial form, with separate chapter ring, having raised hour markers, with date aperture to 3 o'clock, with thin pencil hands, dial width 34mm