Seiko - 6139 -7011 Speedtimer Chronograph (1970) | The Revolver Watch Club | The Revolver Club
Very rare Seiko 6139-7010 - JDM-only model, 1970. I think I've seen three of these in my life, and two of them wer… | Vintage watches, Seiko watches, Chocolate men
New to me Seiko Speedtimer 6139-7011 : r/JapaneseWatches