[Serviced] 1976 Seiko Automatic Chronograph Brilliant Gray Sunburst Dial Men's Wrist-Watch
[Serviced] 1976 Seiko Automatic Chronograph Brilliant Gray Sunburst Dial Men's Wrist-Watch
Couldn't load pickup availability
Are you looking for an iconic piece of horological history at a great price? If so, this 1976 Seiko REF: 6139-8029 is just the watch for you.
This watch features a sporty gray sunburst dial that is paired with a matte blue outer-ring, matte white hour/minute hands, and orange chronograph hands for an extra pop of color.
Powering this watch is the iconic Seiko 6139B 17-jewel automatic chronograph which was the first commercially available automatic chronograph in the world. This movement also offers a day-date in both English & Spanish with a quick-set by pressing in the crown.
Housing this watch is a chunky stainless steel case that sits confidently on the wrist and is paired with an aftermarket bracelet that comfortably wraps around the wrist.
Size: 40mm diameter, 14.5mm height, 20mm lug width, bracelet size of 7 ¾”.
Condition: In good condition with general wear on the case expected with age.
Movement condition: The movement was serviced in October of 2025 and is currently running at ± 5-15 seconds per day, amplitude of 190-210 and a beat error of 0.3MS. The chronograph is fully functional and works without issue.
This watch comes with a 60-day limited mechanical warranty.
Warranty does not cover damage inflicted post delivery.
Have Questions?
Have Questions?
Feel free to reach out to us at:
Email: mecalcoandco@gmail.com
Instagram: @Mecalcoandco
What Does 'Serviced' Mean?
What Does 'Serviced' Mean?
All watches marked as ‘serviced’ have undergone full disassembly, inspection, repairs if needed, cleaning, reassembly, lubrication, and timing adjustments to ensure the watch is running to the best of its capability.
Shipping & Returns
Shipping & Returns
Free shipping within the USA on all orders $149 and up. Your order will be shipped out within 1-2 business days after order confirmation.
Returns are allowed within 7 calendar days with the day of delivery counting as one.
International Orders: All shipping costs, duties, and other taxes associated with importing a timepiece are the buyer's responsibility.
Warranty
Warranty
All of our watches are inspected and serviced if required to function to the best of its capabilities. However please do note that vintage watches are susceptible to slight accuracy deviations and will not be as precise as modern timing equipment.
Due to the nature of vintage watches there may be signs of wear and cosmetic imperfections not to be considered as defects.
We do not offer any guarantees in regards to water resistance unless stated. Do not submerge your watch in water or expose it to high humidity conditions.
Care Instructions
Care Instructions
Do not submerge watch underwater, expose to humidity & avoid labor intensive jobs while wearing the watch.
![[Serviced] 1976 Seiko Automatic Chronograph Brilliant Gray Sunburst Dial Men's Wrist-Watch](http://mecalcoandco.com/cdn/shop/files/MG_1855.jpg?v=1761426878&width=1445)
Follow Us On Instagram!
Want to keep up-to-date on special deals, get sneak-peeks on up-coming watches & participate in giveaways? Then follow us on Instagram!