3 ms·
"It's also the only timekeeping device that will still work after three days away from an electric plug" https://en.wikipedia.org/wiki/Quartz_clock https://en.
by epcoa 3y ago
"It's also the only timekeeping device that will still work after three days away from an electric plug"
https://en.wikipedia.org/wiki/Quartz_clock https://en.wikipedia.org/wiki/Quartz_clock
Lasting years on a battery is easy.
- poooogles 3y agoWhy not both? https://en.wikipedia.org/wiki/Spring_Drive https://en.wikipedia.org/wiki/Spring_Drive Advertised at +-15 seconds a month, but in reality it's much better than that.