The Amazfit BIP might be worth a look for you
https://www.amazon.co.uk/Amazfit-Real-time-Monitor-Bluetooth-Water-Resistant/dp/B07CRSK5DM
You can even make it look like a casio if you want!
https://www.amazon.co.uk/Amazfit-Real-time-Monitor-Bluetooth-Water-Resistant/dp/B07CRSK5DM
You can even make it look like a casio if you want!