Series 0 (original AppleWatch) here. I charge the watch while showering in the morning and while getting ready for bed. So it lasts a day, easily. And I love it

Series 0 (original AppleWatch) here. I charge the watch while showering in the morning and while getting ready for bed. So it lasts a day, easily. And I love it tapping me awake in the morning, as does my MSO. I had the Pebble Steel before, and before that a Fitbit Armband, all with silent alarms.