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Greiner Quartz-Timer C : the 8.64 Mhz beast from the past !

HAQ nuts need to check the accuracy of their watches and there are different ways of course, as detailed in the dedicated topic (163) Methods of Determining the Accuracy of a Watch | WatchUSeek Watch Forums , the Naked-Eye Method, the Stopwatch Method,…

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High Accuracy Quartz watches News from the Watch Industry rk watch service

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

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 …

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High Accuracy Quartz watches News from the Watch Industry rk watch service

Does GS SD UFA belong in this sub-forum or not?

Can Mr. Moderator and/or the other powers that be around here please clarify? There are now a few threads related to UFA around here.

So the UFA movement is thermo-compensated (based on my very limited understanding reading the GS website linked belo…

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High Accuracy Quartz watches News from the Watch Industry rk watch service

Citizen HAQ – why only 40mm models have lume?

Just wondering what do you all think about Citizen's decision here? Within the current line-up, only the 40mm models with crown guards have lume while none of the smaller ones do. I understand the aforementioned 40mm models are meant to be 's…

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High Accuracy Quartz watches News from the Watch Industry rk watch service

New UFA

All the major blogs have reviews. Attractive purple. 37 mm. Steel, which should be fine.

But no micro adjust! Argh! Seriously high still, too, but come on, once you have the micro adjust, and still on a top-tier (for non precious metals)…it shoul…

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High Accuracy Quartz watches News from the Watch Industry rk watch service

Inhibition and Quartz Testers

In another thread I made some rather unflattering remarks about the oscillators in my two MoonSwatch watches. No, the MoonSwatch isn't HAQ, but this thread isn't really about the MoonSwatch, it's about the source of my initial mis-apprai…

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High Accuracy Quartz watches News from the Watch Industry rk watch service

Citizen 0100 future?

Deployant has a new post yesterday about 2 new fall releases…a Duratect Platinum with platinum-foil dial, and a Duratect Amber Yellow with a gold-speckled brown dial. It included this:

The movement remains the exce…

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High Accuracy Quartz watches News from the Watch Industry rk watch service

Certina Conversion?

I’ve read numerous posts in this forum regarding HAQ upgrades for regular quartz movements. I’ve been itching for a square/tank quartz but I’m trying to keep my collection all HAQ. I’m looking at the Certina DS Podium C001510A or similar. Is there an E…

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High Accuracy Quartz watches News from the Watch Industry rk watch service

If not ETA, then who?

My apologies if this has been asked and answered before. I searched the forum but do not seem to be having much luck finding answers today.

ETA, as I understand it, is no longer producing some of their HAQ quartz movements. If that is correct why have…

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High Accuracy Quartz watches News from the Watch Industry rk watch service

Seiko patent application for GPS watch with TC

Seiko has applied for a US patent for a thermocompensated GPS watch.

This is denoted Fujisawa (2024), PDF atttached..

Her…

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High Accuracy Quartz watches News from the Watch Industry rk watch service
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