9600bps-5V Ready-GPS Receiver Module for NIXIE clock/ARDUINO/CAR/DIY-3.5mm plug | eBay
Nixie Clock With GPS | Ubergizmo
GPS Time Receiver For Nixie Clock [GPS7] - £29.95 - PV Electronics
IN-14 Arduino Shield Nixie Tubes Clock in a Clear Acrylic Case [RGB, USB, Musical] [with Columns and Sockets] [Temp. sensor, GPS time sync., IR Remote] – GRA & AFCH
Nixie Tube Clock – Dr. Scott M. Baker
IN-14 Arduino Shield Nixie Clock in Acrylic Case [WITH OPTIONS GPS TEMP] 4 TUBES | eBay
The Nixie Clock X miniature six digit nixie clock wifi / gps by Howard Constantine — Kickstarter
Amazon.co.jp: Nixie Tube Watch Kit, RGB Watch Kit, 4 IN-18 Glow Tubes, GPS Calibration Time, 12H/24H Glow Tube Clock for Desktop Decoration, Valentine Decoration : Home & Kitchen
IN-14 Arduino Shield Nixie Tubes Clock [RGB, USB, Musical] [Tubes, Column, Sockets, Arduino, Power Supply] [Temp. sensor, GPS time sync., IR Remote] [4 TUBES] – GRA & AFCH