A very nice Omega Constellation Electroquartz Beta 21 F8192Hz (but interestingly without the F8192Hz on the dial as commonly seen) from 1972.
Full stainless steel
Silver sunburst dial with applied indexes
Black and silver hands
Red applied logo matching the red date display
Signed crown
Observatory logo on the case back
Some scratches on the crystal
Original stainless steel bracelet reference 1210/202 (fits wrists up to about 19.5cm)
The case measures 37.5mm without crown, 44mm lug to lug, 11mm thick with a 18mm lug width.
It is powered by a swiss made quartz caliber Beta21. It runs but tends to go too fast. It will need service/repair. Sold as deffective.