Dexter Deadwood good spot! I've never noticed that clock before - it's actually quite high up and feels small and lost within it's architecture. I usually know where lots of the clocks are because I don't wear a watch!
You might like this then;
Clock This - Norbury to Brixton.
http://publicclockthis.blogspot.co.uk/2014/03/norbury-to-brixton.html