1- Nixie watch with 4 tubes,and full options - rgb led (512 colors configurable and can be deactivated), temperature sensor, date/hour (12/24), battery charge indicator (percentage), accelerometer activate (memorizes any position), 7 level adjust the brightness of tubes, setting duration illumination the tubes.
2 - Nixie watch with 2 tubes - Hour/min, battery charge indicator (percentage), accelerometer activate (memorizes any position), 6 level adjust the brightness of tubes, setting duration illumination the tubes.