Quote:
Originally Posted by panosrxo
quartz is older than wwii and wwi
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I believe the first watch with a quartz movement was the
Seiko Quartz-Astron 35SQ, introduced in 1969. I would expect the vast majority of mechanical watch movements to have a "continuous sweep" second hand.
Is it a continuous sweep in sh5, or does the second hand move once per second (anyone)?