This vintage Seiko 7471-001K produced 1977.
This model is made in three versions: gold, silver and black. The black version is the rarest, and hard to find.
The dimensions are: 10cm long, 1cm thickness and 5cm high.
It is interesting that this watch is adjusted with a crown as on a classic watch.The crown is located in the lower right corner.
All functions work perfectly including loud alarm and display light.
The watch is in perfect condition with minimal traces almost invisible, all macro photos show it 100% realistically.