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20mm Fishbone Solid Stainless Steel Replacement Bracelet for Bullhead 6138-0040 Chrono Watches | Amazon.com
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Seiko BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J... for €835 for sale from a Trusted Seller on Chrono24
![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
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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