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xiaofeng000, Author at RK Watch Service https://rkwatchservice.com/author/xiaofeng000/ Watch Repair & Restoration Service Fri, 10 Oct 2025 08:45:42 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://rkwatchservice.com/wp-content/uploads/2024/03/cropped-RK-Watch-Service-Logo-Chicago-Watch-Repair-Web-32x32.png xiaofeng000, Author at RK Watch Service https://rkwatchservice.com/author/xiaofeng000/ 32 32 Comparison of the error rates at different temperatures for 9F62 (10SPY), 9F85 (5SPY), and A060 (5SPY) https://rkwatchservice.com/comparison-of-the-error-rates-at-different-temperatures-for-9f62-10spy-9f85-5spy-and-a060-5spy/ Wed, 01 Oct 2025 02:59:51 +0000 https://www.watchuseek.com/threads/comparison-of-the-error-rates-at-different-temperatures-for-9f62-10spy-9f85-5spy-and-a060-5spy.5623044/ Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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xiaofeng000

The post Comparison of the error rates at different temperatures for 9F62 (10SPY), 9F85 (5SPY), and A060 (5SPY) appeared first on RK Watch Service.

]]> Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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xiaofeng000

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I have successively purchased three HAQ watches.
The first one is the AQ4091-56M, which uses the A060 movement and is claimed to have an accuracy of 5 SPY.
The second one is the SBGP017, which is equipped with a specially adjusted 9F85 movement and is claimed to have an accuracy of 5 SPY.
The third one is the SBGX095, which uses the 9F62 movement and is claimed to have an accuracy of 10 SPY.

I tested the timekeeping accuracy of these watches at different temperatures respectively in an…

Comparison of the error rates at different temperatures for 9F62 (10SPY), 9F85 (5SPY), and A060 (5SPY)

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]]> Share the repair experience of Citizen HAQ watch. https://rkwatchservice.com/share-the-repair-experience-of-citizen-haq-watch/ Tue, 08 Apr 2025 09:00:19 +0000 https://www.watchuseek.com/threads/share-the-repair-experience-of-citizen-haq-watch.5621924/ Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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xiaofeng000

My friend (also from China like me) has been complaining that his AQ4060-50A watch (movement model A060) keeps time inaccurately, gaining 2-4 seconds every month. His watch is out of warranty. After talking with him repeatedly, I suggested he send the ...

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On February 8, 2025, Citizen China After-Sales Service Center received his watch.

On February 10, 2025, they called my friend to say that an error exceeding 5 SPY is a normal phenomenon and they couldn’t repair it…

Share the repair experience of Citizen HAQ watch.

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]]> Finally, the Grand Seiko GS SBGP017G that belongs to me has arrived. https://rkwatchservice.com/finally-the-grand-seiko-gs-sbgp017g-that-belongs-to-me-has-arrived/ Thu, 27 Feb 2025 18:55:22 +0000 https://www.watchuseek.com/threads/finally-the-grand-seiko-gs-sbgp017g-that-belongs-to-me-has-arrived.5616125/ Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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xiaofeng000

Ever since I gave up on an SBGP017 with not-so-good condition last time, I have always been obsessed with this watch. I can't think of any other reason，I just simply want to own it. It has so many features that attract me: the specially adjusted 9F85 movement with an accuracy of ± 5 seconds, the light blue dial with rich texture, the blue second hand, the golden star, the blue GS logo, and the transparent case back. This might be the most beautiful quartz watch from GS. When I got this watch...

Finally, the Grand Seiko GS SBGP017G that belongs to me has arrived.

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Finally, the Grand Seiko GS SBGP017G that belongs to me has arrived.

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]]> The reason the HAQ watch is meaningful to me. https://rkwatchservice.com/the-reason-the-haq-watch-is-meaningful-to-me/ Sat, 22 Feb 2025 07:21:40 +0000 https://www.watchuseek.com/threads/the-reason-the-haq-watch-is-meaningful-to-me.5614710/ Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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xiaofeng000

I'd like to share my example with all of you
Watch A is a HAQ watch. It steadily gains 0.4 to 0.6 seconds per month. In a year, it accumulates a gains 6 seconds.
Watch B is an RC watch. When it's not synchronized, it gains 0.25 seconds per day. Due to environmental factors and usage habits , it can't guarantee successful synchronization every day. The time interval between two successful synchronizations can range from 0 to 10 days.
If we consider watch accuracy , Watch B seems superior...

The reason the HAQ watch is meaningful to me.

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The reason the HAQ watch is meaningful to me.

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]]> My second HAQ watch, a used GS Grand Seiko SBGX095. https://rkwatchservice.com/my-second-haq-watch-a-used-gs-grand-seiko-sbgx095/ Thu, 13 Feb 2025 04:59:58 +0000 https://www.watchuseek.com/threads/my-second-haq-watch-a-used-gs-grand-seiko-sbgx095.5614013/ Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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xiaofeng000

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About two months ago, I bought a watch with The CITIZEN A060 movement. After nearly a month of observation, its time keeping error is estimated to be +5~+6 SPY, which is worse than I expected. This makes me more and more curious about the performance of the Grand Seiko 9F series, a competitor of The Citizen. Another reason why the 9F series movement appeals to me is that it has a regulation switch . I can adjust the watch to its optimal state according to my wearing habits.

At first, I…

My second HAQ watch, a used GS Grand Seiko SBGX095.

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]]> Glad to join here and share my The CITIZEN AQ4091-56M. https://rkwatchservice.com/glad-to-join-here-and-share-my-the-citizen-aq4091-56m/ Wed, 29 Jan 2025 17:07:17 +0000 https://www.watchuseek.com/threads/glad-to-join-here-and-share-my-the-citizen-aq4091-56m.5606599/ Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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xiaofeng000

I'm from China. It was difficult for me to join this forum. Because we can't visit Google.com and thus I can't pass the reCAPTCHA verification.
Recently, I've been choosing a HAQ watch.Because I'm tired of the errors of mechanical watches.
I've learned a lot of knowledge about HAQ from this forum, such as the principles of the movement, the mechanism of thermal compensation, etc. I've also seen many sharing posts from friends.
In return, I will also share my watch to everyone.

I bought...

Glad to join here and share my The CITIZEN AQ4091-56M.

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I bought…

Glad to join here and share my The CITIZEN AQ4091-56M.

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