I seem to remember an accuracy of +/- 3 minutes/year if properly regulated. Could be wrong about that though, been some time since I researched details about that movement.You inspired me to see how many Accuquartz watches I have. Sadly I only have three. I have always liked the idea of quartz accuracy with tuning fork indexing. Until Rob returned the only running Accuquartz I have I had no idea they would be as accurate as mine is, not that it really matters that much.
I also didn't realize how many styles there were. You guys have displayed an impressive representation.
Thanks for sharing.
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