Sold: An unused G. Boley 8mm Boxed Watchmaker Lathe (NOS)

History this machine:

A man came to my showroom and sold me this machine. It belonged to his grandfather who had a company in watchmaker tools in Amsterdam. This machine was for sale and never sold and given to his son and his son gave it to his son.

Cataloq PDF is included
Parts are still in original (dirty) grease
Weight: 12Kg

I think it is about 60 years old, is there any reader who knows the produktion date more accurate?