Some specs:
From June 1977
Automatic movement Cal. 6138
42mm stainless steel case
Unfiltered opinion:
Honestly as a big Seiko fan, this is one of the best looking and coolest vintage chronographs from Seiko.
Big stainless steel case with a cool gray dial complemented by those fantastic yellow details, oooffff. Just amazing.
This watch is in very good condition, case looks fantastic, dial and hands are very very good and the movement is working, well, like a Seiko movement does, beautifully well.