A few things to take from this video. First, towards the end you can see a very useful size comparison. The 808 PureView doesn’t look to be all that thick (except for the ginormous sensor bit).
Against the E7, it looks more pocketable.
Something else to take note of is the Belle FP1 version 112.020.0308.01.01, dated 05-11-2012
The video:
