Here are all of the biggest changes coming to Apple Watch with watchOS 6 | AppleInsider
APPLE WATCH 5 MANUAL FOR BEGINNERS: A Comprehensive Guide to Master your Apple Watch 5 OS 6 Including Hidden Features with Troubleshooting Guide - Kindle edition by Andrews, Mac. Arts & Photography
watchOS 6 advances health and fitness capabilities for Apple Watch - Apple
watchOS 4 brings more intelligence and fitness features to Apple Watch - Apple