So you are looking for a clock that turns heads? This Kintrot 3D Brain Moving Gear Clock is well worth a look. It is a gear wall clock with 2 power systems to move all the gears and keep track of time. It is made of wood with 100% copper joint bolts.
This clock ships assembled, so you can get it moving with 2 x C batteries. It measures 10.5 x 2.8 x 11.6 inches.