We've seen Nixie-tube-based clocks before, but Italy-based Igor Gudiy has taken them to another level. Under the shop name NixieHorizonte, Gudiy is selling Nixie-tube wristwatches of his own design on Etsy:

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The watch can display the time in either 12- or 24-hour format, as well as the date and even the temperature, thanks to an onboard sensor.

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The user can choose from seven different brightness levels for the tubes, and they're not always on; you can either choose to illuminate them at the press of a button, or set it so that the built-in accelerometer detects when you've raised your arm to check the time and the tubes will then kick in. The user sets the illumination duration.

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The body is milled from aluminum or brass, and the protective screen is Gorilla Glass. Surprisingly, the watch only weighs 70 grams (2.5 ounces).

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The watch comes with a docking station made from wood and brass, and it charges via magnetic contacts. The battery life is "2-3 weeks with the accelerometer mode or over 1 month with manual ignition."

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Each one is made to order and will set you back $852.