![271: SEIKO, 'Bullhead' chronograph wristwatch, Ref. 6138-0060T < Important Design, 10 June 2021 < Auctions | Wright: Auctions of Art and Design 271: SEIKO, 'Bullhead' chronograph wristwatch, Ref. 6138-0060T < Important Design, 10 June 2021 < Auctions | Wright: Auctions of Art and Design](https://www.wright20.com/items/index/2000/271_2_important_design_june_2021_seiko_bullhead_chronograph_wristwatch_ref_6138_0060t__wright_auction.jpg?t=1624487232)
271: SEIKO, 'Bullhead' chronograph wristwatch, Ref. 6138-0060T < Important Design, 10 June 2021 < Auctions | Wright: Auctions of Art and Design
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Seiko 'Bullhead' Chronograph automatic stainless steel gentleman's bracelet watch, ref. 6138-0040 circa 1970s, serial no. 776724, circular black dial with baton markers, Arabic/English day and date apertures at the six position, blue
![SEIKO BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J Vintage Automatic watch Cal. 6138B *** BLUE DIAL *** Seiko Vintage watches - Watches83 SEIKO BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J Vintage Automatic watch Cal. 6138B *** BLUE DIAL *** Seiko Vintage watches - Watches83](https://watches83.com/38252-thickbox_default/seiko-bullhead-chronograph-automatic-ref-6138-0040-japan-j-vintage-automatic-watch-cal-6138b-blue-dial-.jpg)
SEIKO BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J Vintage Automatic watch Cal. 6138B *** BLUE DIAL *** Seiko Vintage watches - Watches83
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