Early quartz chronometry (3 part article series)
Submitting three long-form articles of mine tracing the first era of quartz timekeeping, which ran from 1927 to around 1975: The defining feature of this first era was that, like balance wheel and tuning fork chronometry before it, the rate precision was ...
Speaking as a quartz watch nerd, I enjoyed these articles
I have had several of the watches & clocks mentioned, and a few others. Citizen Chronomaster Grand Seiko High Accuracy (denoted by single star on dial) Another one The second generation Quartz Astron (before Astron name was dedicated to the radio/sate...
Very interesting pieces incl that glashutte and GPS!
I didn’t realize the extent to which you had collected quartz. Even the gen 3 VHP (very high precision). I have sent you a DM.