Meet the Nixie Tube Wristwatch: a geeky watch with Nixie tubes, temperature sensor, accelerometer, and adjustable settings that turns heads. It has 4 Nixie tubes Z-5900 an can display hour in 24/12 format. You can adjust brightness in 7 levels.
The body is made from aluminum 7075 and brass with gorilla glass on top. The battery lasts up to 3 weeks.