Which is the smartest smartwatch?

More smartwatches are coming to the market but which one is the smartest? And could the smartwatch one day replace the smartphone?

Click's Spencer Kelly went the IFA electronics trade fair in Berlin to take a close look at some of the latest devices available.

Watch more clips on the Click homepage. If you are in the UK you can watch the whole programme on BBC iPlayer.

The programme was first broadcast on 14 September 2013.