So you are looking for a steampunk clock that stands out? This Steampunk Nixie Clock is worth a look. It is a handmade item with IN-14 tubes. At the top of the clock, there is a thermometer with LED backlight. Near it, you can find a Morse code device that turns on the steam generator and controls the light.
The clock comes with automatic brightness control depending on ambient lighting. Various lamp effects are supported.