Hello OF members. For sale PRIM watch from the 1983. I asked PRIM on their facebook page and got an answer from them: 68 caliber and produced at 1983.(I have a photo attached) info about the brand/company here... (thanks @alam ) https://www.prim.cz/en/o-nas/ https://www.prim.cz/en/technologie/ If you have questions don't hesitate to ask. We can chat on skype and can see the watch further more. Returns accepted within 72 hours.Cost of shipping for return to the buyer. I am asking 180 euro shipped. Thanks for passing by and Thanks Omega Forums for the space. Some photos.