[hajmo97]

I don´t think that there is any Smart Watch out there that can be used without a phone or "computer" because every Smart Watch like e.g. Garmin communicates and syncs the data via your phone or any other device over bluetooth. It can be also done via USB, but if you for example run every day the built in memory of Smart Watch will be full very fast and you have to hook it up to a internet connected device to sync it and to free the internal storage (you have to install a software on the internet connected device). Beside the running data, it also monitores you HR,sleep,steps,...24/7, so there is allot of data that fills up the internal storage.