World's most expensive Android smartphone

Ulysse Nardin's The Chairman - up to $49,500

The Chairman by Ulysse Nardin is an Android smartphone, and has both a touch screen and a physical number pad. The Ulysse Nardin name is most often associated with luxury watches and that fact shows in the Chairman's sophisticated design.

Its volume controls has been designed as watch buttons while the crown between them can actually be wound to generate power for the device.