![Vintage Seiko Chronograph Bullhead SpeedTimer JDM ref. 6138-0040 – 1977, Serviced, OEM Bracelet - ChronoTimepieces Vintage Seiko Chronograph Bullhead SpeedTimer JDM ref. 6138-0040 – 1977, Serviced, OEM Bracelet - ChronoTimepieces](https://chronotimepieces.com/ctsitecms/wp-content/uploads/Seiko-Chronograph-Bullhead-SpeedTimer-ref.-6138-0040-8.jpg)
Vintage Seiko Chronograph Bullhead SpeedTimer JDM ref. 6138-0040 – 1977, Serviced, OEM Bracelet - ChronoTimepieces
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Seiko BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J... for €835 for sale from a Trusted Seller on Chrono24
![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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20mm Fishbone Solid Stainless Steel Replacement Bracelet for Bullhead 6138-0040 Chrono Watches | Amazon.com
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
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Seiko vintage Bullhead 6138 6139 chronograph bracelet rare Stelux 20mm 19mm, Men's Fashion, Watches & Accessories, Watches on Carousell
![20mm Fishbone Solid Stainless Steel Replacement Bracelet for Bullhead 6138-0040 Chrono Watches | Amazon.com 20mm Fishbone Solid Stainless Steel Replacement Bracelet for Bullhead 6138-0040 Chrono Watches | Amazon.com](https://m.media-amazon.com/images/I/61j75bf+7UL._AC_UY1000_.jpg)