This watch is an overall battery saver. Besides the low OPRs, this watch also doesnt waste battery updating weather ever hour or more. So, if you dont look at your watch for 6 hours it wont waste battery updating the weather, but if you look at it every 10 minutes it wont waste battery updating the weather until the weather data is an hour old or the GPS location changes. Tap the running icon to start a workout, tap the step to view Google fit, tap the weather image to see accuweather, tap the date to see your calendar. This watch uses complications 1Google Fit Steps, 2 accuweather temperature, 3 accuweather wind, 4 android wear notifications. To set these long press your watchface on your watch settings complications.