![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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20mm Fishbone Solid Stainless Steel Replacement Bracelet for Bullhead 6138-0040 Chrono Watches | Amazon.com
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Seiko Vintage Men's Watch 6138 0040 Black / Blue Version ... for NZ$1,162 for sale from a Private Seller on Chrono24
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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_UY900_.jpg)