This is early original Swiss made Certina quartz watch with hi-quality build first generation of ESA (ETA) 7 jewels movement, working and keep time great.
Watch is very quality build, have chunky all stainless steel case, sapphire glass and original Certina signed bracelet. Year of produce is 1979.
This Certina is like new without any trace of use, on macro images from all angles is visible all tiny details.
Great retro Certina is this one.