Nixie Watch ("nixie" wristwatch) - new, self-made watch inspired by the Metro Exodus game.

https://www.youtube.com/watch?v=tMCkigCyS08&feature=youtu.be - 

The watch can be worked in 2 modes:

As hand watch for everyday wear (they are light, compact and work for a long time) and as table watch while USB charging (may be placed on docking station or not). 
- The body of the watch  is made of thermoplastic based on ABS with the addition of carbon fibers, protective glass and 3 buttons. Case is covered by graphite.

In hand watch mode it can display the time during  8.0 second  by pressing any of 3 buttons. 
 Battery life: about 600 button pressing and about 2-3 weeks in standby mode.

Charging process:  to computer system or any 5V DC power adapter with USB out. Full charging time is about 22-40 minutes (depending on Li-Po) .

-Installed program is for the real-time clock;
-RGB lighting indicator;
-  lamps refer to the Soviet period - IN17  tubes
-The chip decipherer KFT155ID10 and microcontroller from Microchip Co PIC16F886

You can control the clock with three buttons - "reduce" (<), "menu" (ok), "increase" (>).   
By clicking and holding on to the "<" button, the alarm is triggered ; 
By clicking on the ">" button, the clock switches to seconds ;
At the click of the "ok" button, the following modes are available:  
1 - Setting up current time “hours” (PM); 
2 - Setting up current time “minutes” (MM); 
3 - setting the alarm “hours”  (PM); 
4 - setting the alarm “minutes” (MM); 
5 - 0-no sound, 1-hour signal and the sound of buttons, 2 - alarm clock and other sounds ; 
6 - brightness of the glow of lamps from 1 to 10; ; 
7 - the choice of the RGB lighting modes:
static (1-7),
change of color every minute (8), 
smooth busting (9),
color to be fixed (10), 
disco (11); 
8 - displaying temperature every 15 seconds (optional for 4 tubes Nixie Clock) : (On/Off) (1/0)  ; 
9 - Calibration of quartz (99; -99 ) / 
Show of working time for calibration of quartz, in the clock (0-9999). 
Automatic exit from settings after 15 seconds of inactivity.
During the display of something, the constantly glowing points of the watch mean a negative value. 
After turning on, the clock flashes 7, before setting the time, telling the user that the time is not correct.

The clock is powered by any USB charger from your phone with the appropriate cable or 5 volt power supply.

Do not use a power supply of more than 5 volts!

If you have any questions, please feel free to ask. I'm happy to answer.