1975 Seiko 5 Sports SpeedTimer 6139-8040
1975 Seiko 5 Sports SpeedTimer 6139-8040
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Serviced, beautiful 1976 JDM Seiko 5 Sports SpeedTimer automatic chronograph in very good condition.
Beautiful green dial has no noticeable flaws.
Case has few small nicks and scratches noticeable in pictures, but in person they are barely noticeable. It is sharp and edgy.
New hardlex crystal.
Original stainless steel bracelet with retractable clasp extender can conformably fit 18.5cm wrist.
The movement, being JDM, has 21 jewels as opposed to overseas models that are severely under jeweled with only 17. It's been well maintained and after service it runs with solid amplitude and good accuracy.
Crown and pusher operation is smooth and easy. New gaskets on everything.
Calendar quick set works by pushing the crown. Weekdays are in English and Kanji.
| SKU# | S2212 |
| Model | 6139-8040 |
| Movement | Automatic chronograph |
| Caliber | 6139B |
| Jewels | 21 |
| Case | Stainless steel |
| Case size | 40mm x 42.5mm |
| Lugs | 18mm |
| Dial | green |
| Crystal | original hardlex |
| Bracelet | original stainless steel 18.5cm |
| Serial # | 598753 |
| Service | May 28, 2026 |
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