Rolex watches run on a Perpetual rotor, which stores energy from wrist movement in a mainspring, powering the watch without a ...

The Samsung Galaxy Watch7 has power saving and watch-only modes that can extend battery life by up to 24 hours and three weeks, respectively.

2 Turn off the Tilt-to-wake feature on your Samsung Galaxy Watch 6 Your Galaxy Watch 6 defaults to Raise wrist to wake when you turn off Always On Display. This uses less battery life.

We turned off each Apple Watch feature to see how much it affected battery life, and were surprised by the results.

The OnePlus Watch 3 is now official, boasting more battery life than ever and multiple improvements in key sections.