This Tamaya Navigation Computer NC-77 is a vintage item that is perfect for collectors of maritime navigational instruments. 

The device was originally manufactured in 1978 and is made of high-quality metal, plastic, and wood materials. 

It comes complete with it's original manual and is in great working order. 

The Tamaya Navigation Computer NC-77 is a digital navigation computer that is perfect for any maritime enthusiast. 

This vintage item is an original piece and is perfect for collectors. 

With its high-quality construction and reliable performance, this navigation computer is a great addition to any collection.