Tag Heuer unveils $1,800 smartwatch that helps you keep fit and look good
The Connected Calibre E4 has some high specs to go with that high price
Smartwatches are not a 'must-buy' for most people at current prices and with their current capabilities, but if you are set on getting one, there are a handful of things to consider such as compatibility and key features. Here are our picks in four distinct categories: best for iPhone users, best for Android users, best fitness-centric smartwatch and our luxury pick.