I hate taking off the apple watch for charging. My decade old
Seiko Kinetic charges electronics by a mechanical rotor and gives charge for weeks.
Don't know why such a simple system is still not present in modern smartwatches.
"
....The 1999 Kinetic Auto Relay boasted an amazing four years power reserve by stopping the hands when the watch isn't worn. After 72 hours with no movement, it sleeps, thus conserving 85% of the power. This was also the first Kinetic model to switch from a true capacitor to a Lithium Ion secondary battery, now called the Kinetic Electricity Storage Unit or ESU. ....."
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