Could probably fetch around 4K USD if you find the right buyer.
Movement is ETA (Valjoux) 7750 with moon-phase and pointer date. Machine finished.
I would not use the term vintage about a watch from that time period.
GP - as almost all manufacturers struggled to find their spot in the new market place when the mechanical wristwatch started to re-vitalize itself after the quartz crisis. The use of standard movements was a necessity for several brands to create. Financial funding for becoming a manufacture.