9 tips to improve battery performance on Wear OS Fossil Gen 5 or 6 watch - MyHealthyApple
Amazon.com: Smart Watch for Android and iOS Phone, Fitnees Tracker with 1.3" Full Touch Screen Pedometer Heart Rate Sleep Monitor Tracker IP68 Waterproof Watch for Men Women : Electronics
Fossil's custom battery modes are coming to more smartwatches
Most common Samsung Galaxy Watch 4 problems and how to fix them