I posted a version of this on the Longines forum, then I figured this one might know more about this niche line-up.

I would like to start a discussion about the old Longines quartz integrated bracelet models from the 70s and 80s (and possibly early 90…

JV is a francophone-centered fashion website, covering men's clothes, shoes and accessories including watches.

They offered up an English-language HAQ article on May 20:

…

Can't seem to find info on this on the forum, maybe just am not searching correctly. Would love some info on this, thanks!

Seiko Epson’s cal. 9RA in 2020 marked the introduction of a single package or ‘chip’ that included an XO, IC and temperature sensor within a vacuum.

The chip in the 20 spy rated cal. 9RB2

…

I tried a handful of vendors

A. OPENAI
I asked basic ChatGPT, "Can you summarize the High Accuracy Quartz forum on watchuseek?"

Response:

…

Some years ago I acquired a Hamilton XC Chronometer complete with the COSC certificate. I occasionally check this watch to the Colorado NIST time signal and always find it hasn't gained or lost even a second. I have mechanical chronometers that …

Considering getting a Citizen Chronomaster or The Citizen. But, I am concerned about what might happen, even if unlikely, if the watch needs some type of repair or parts replaced. I don't want to be required to send the watch back to Japan. Any…

In a June 2024 Horobox interview (video link), Seiko Watch Corp. boss Akio Naito was asked, "What do you think of the [GS] quartz calibers? What is the positioning in the market? What are you expecting in the future?"

Naito:

"Actually,…

So I've been looking for a field/military/tool watch option.

For reference, if my Citizen Promaster Tough (BN0118-04E) had a HAQ movement, I'd be done. But it doesn't, so here I am.

The two pieces that popped out for me were the Marath…

This is a re-do of last year's investigation into positional variation of HAQ movements. The term refers to the slight change in rate of the watch depending on how it is stored.

This placeholder post #1 will be later edited to summarize the threa…