Longines the last famous in house cal L990-1 . Ref 1626-4. 34mm. near mint . The famous L990-1 used by other like Breguet, VC . All original . Watch only with original bracelet.

https://www.reddit.com/r/Watches/comments/nbjb70/longines_1624_cal_l9901_ca_1980last_of_their/
https://m.discuss.com.hk/index.php?action=thread&tid=24573818
https://m.mobile01.com/topicdetail.php?f=376&t=6922081
https://watchsparesparts.com/watch-parts-branded/longines-calibre-movement-and-spare-parts/longines-l990-1