9 ms·
Exactly! or the quartz controlled timex oscillators: https://electric-watches.co.uk/movement-types/quartz-control-with-balance/ https://electric-watches.co.uk/m
by KaiserPro 3y ago
Exactly! or the quartz controlled timex oscillators: https://electric-watches.co.uk/movement-types/quartz-control-with-balance/ https://electric-watches.co.uk/movement-types/quartz-control...
or the quartz tuningfork: https://electric-watches.co.uk/movement-types/quartz-control-with-tuning-fork/ https://electric-watches.co.uk/movement-types/quartz-control...
or indeed the new generation of accutrons with the electrostatic drive