Grand Seiko 9F62A

Grand Seiko Caliber 9F62A

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Grand Seiko 9F62A

Manufacturer Seiko
Caliber Number 9F62, 9F62A
In-House Yes
Accuracy +/-10 seconds per year
Battery Number 371/370/SR920S,SR920SW
Power Reserve 3 year battery life
Jewels 9
Functions Hours, minutes, center seconds, date
Country of Manufacture Japan
Known Models
SBGX059

This example of the Seiko caliber 9F62 was found in a Grand Seiko model SBGX059.  There is also a caliber 9F61 that is basically the same with exception to the calendar feature. This quartz movement is thermo compensated and adjusts for temperature variations.

What is the difference between 9F62 and 9F62A? Please comment below.

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Ron Gallite
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Ron Gallite

A $5000.00 Stainless steel Quartz watch with no date is LUNACY !!!!!!!!!!!!!!!!! I guess there is more than one sucker born every day.

S. Masak
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S. Masak

It’s more like $1,700 for a watch with the premier quartz movement, finished just as well or better than others at the same price, and many of those have an ETA 2824 movement that can be had for well under $200. Yes, an automatic has more soul, but some value cold precision (+/- 20 sec a year) over soul at +/- 10 sec a day.

S. Masak
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S. Masak

It’s more like $1,700 for a watch with the premier quartz movement, finished just as well or better than others at the same price, and many of those have an ETA 2824 movement that can be had for well under $200. Yes, an automatic has more soul, but some value cold precision (+/- 10 sec a year) over soul at +/- 10 sec a day.

Ron Gallite
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Ron Gallite

Thank you for your response. I just checked. I can buy a quartz movement that has the same functions as an ETA 2824 for under $30.00 for one. Probably buy them for half that much in bulk. Also, for a quartz movement that has the same functions as my Valjoux 7751……$40.00. So in my opinion, there isn’t a quartz watch out there worth anything over $100.00 unless it has a 14K or 18K case. Wisely , I don’t think there is a quartz watch out there with such a case because it would be a very hard sell. There is… Read more »

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