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French innovator aims to consign ticking quartz watches to history
(usa.watchpro.com)
This is a most excellent place for technology news and articles.
The second hand on my Citizen does advance in second jumps, but it can also sweep smoothly forward or backward when making adjustments. The jump is an intentional feature and not a limitation of the mechanism. I'm guessing the advance here is in making capabilities like that more affordable, but I'm not entirely sure.
I think it's proof of concept right now.