Since the latest update I am having to charge my watch twice a day. It is currently 13months old. I was using it connected to phone and to monitor my heart rate all day, and it would last 2 days. Including monitoring my training twice a day.
Since the update I have had to turn off Bluetooth and HR monitor and it still only lasts half the day. I have changed the display and alot of the settings to increase battery, but it hasn't helped.
Yesterday I did exercise on the morning, but my watch on charge starts at around 0900, at lunch time my watch was at 100% so put it back on and by 1530 it was down to 35% using it just as a watch.