Vintage Seiko A156-5009 Alarm Chrono - 1978
The A156 models were Seiko's first digital watches to use solar power
Used condition, some signs of wear and age but still a stunner especially this version with the gun-metal finish. Like most of the earlier Seiko's this is a solid and beautifully engineered watch
The rechargeable battery for this model is no longer available, so this watch has had a small modification to enable it to run perfectly using a conventional 389 watch battery of the same size
The original rechargeable battery had a lifespan of around 10 years but after that it can no longer store power well enough to run the watch through the night. If the original battery is left inside the watch, the display will still function but only when enough light is available
The solar panel on this A156 is no longer connected in any way to the module inside, all of the power needed comes from the conventional battery
Externally the watch looks exactly the same, and all of the functions work perfectly
My own daily-wear Seiko was modified like this over 15 years ago and is still running great on a 389 battery, typically runs approx two years between battery changes
Loud alarm with optional hourly chime
Tidy battery compartment with no sign of any previous leakage
Original Seiko strap deep cleaned and ready to wear
Working light
20 years on ebay with 100% positive feedback
**Watch will be sanitized with medical alcohol wipes prior to dispatch**
All items 'sold as seen'
The photos above form part of the description, extra photos available on request
Please ask any questions / request additional photos before bidding
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UK Postage:
Royal Mail Special Delivery - Next working-day delivery with full tracking
Signature may be required on delivery
I do not make any money on postage, the cost is due to the full insurance and fast delivery of Special Delivery, Actual price is nearer £8
International Buyers:
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