I know that maybe this isn't much, but after months of thinkering I managed to build an IN-17 Nixie wristwatch completely from scratch and only by using THT components : r/arduino
Nixie Tube Clock Wrist Watch in the Style of - Etsy UK
Retrofuturistic Watch | Model 2 Nixie Tube Watch | Tokyoflash Japan
Nixie Tube Watch | Science Gifts
Authentic, rare nixie tube watch is the most cyberpunk object you can wear on wrist - Yanko Design