SEIKO BULLHEAD SPEEDTIMER Ref. 6138-0040 Vintage automatic chronograph watch Cal 6138 B JAPAN J 1977 *** ALL ORIGINAL *** Seiko Vintage watches - Watches83
271: SEIKO, 'Bullhead' chronograph wristwatch, Ref. 6138-0060T < Important Design, 10 June 2021 < Auctions | Wright: Auctions of Art and Design