Sold at Auction: GENTLEMAN'S VINTAGE SEIKO CHRONOGRAPH MONOPUSHER "OLMPICS"
SOLD - Seiko Monopusher 5717-8990 | The Tokei Club
Horology & History on Twitter: "A few watches stand out for their relation to 1964 and the Olympic Games in Tokyo, they are the Seiko World Timer 6217-7000, the Seiko Monopusher Chronographs -
Seiko 5717-8990 one button chronograph | The Watch Bloke
SEIKO One Push Chrono 5717-8990 Crown Chronograph | eBay
1965 Seiko One Button Chronograph 5717-8990 – Mornington Watches