I'd definitely give it a try with a different watch face (maybe just the default Anton one) and see what happens.
Generally the clock face (and some widgets) can have a huge impact on battery usage. It's just one of those things - Bangle.js provides a lot of flexibility but that can also mean a lot of ways to drain the battery faster, especially as it's just not possible for me to manually test every clock face.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I'd definitely give it a try with a different watch face (maybe just the default Anton one) and see what happens.
Generally the clock face (and some widgets) can have a huge impact on battery usage. It's just one of those things - Bangle.js provides a lot of flexibility but that can also mean a lot of ways to drain the battery faster, especially as it's just not possible for me to manually test every clock face.