Watch Full Version (IN14, IN12, IN18,IV11)

The instruction Nixe Clock Full (mirror)

Video instruction.

IN14 Nixie Tube Clock
Hourly period setting 
IN14 Nixie Tube Clock
Setting the effects of changing numbers and dividing points
IN14 Nixie Tube Clock
Alarm settings
IN14 Nixie Tube Clock
Temperature display settings 
IN14 Nixie Tube Clock
Control of the illumination of lamps
IN14 Nixie Tube Clock
The date settings menu
IN14 Nixie Tube Clock
Time setting
IN14 Nixie Tube Clock
Automatic brightness adjustment

Watch Mini Version (IN14, IN12,IN4)

The instruction Nixe Clock Mini (mirror)

Watch 4-tube Full Version (IN14, IN12)

The instruction Nixe Clock 4-Tube Full (mirror​)