HI @Lamzy Unfortunately not as @Blessed4life has explained. That is why the Bluetooth versions are cheaper. The LTE versions have an esim and you need a Data Plan for a cellular connection. The differences detailed here https://smartwatchchart.com/galaxy-watch-5-bluetooth-vs-lte-which-is-right-for-you/
I do not work for Samsung or make Samsung Products but provide independent advice and valuable contributions.
My Device- S21 Ultra 5G ( SM-998B/DS ) CSC= BTU , 12GB/256GB
One Ui 5.0,Android 13 .