Here’s Oscar Liang another Arduino GPS project, he writes:
Garlow stands for GPS Arduino Rechargeable Logger OLED Watch. The device gives GPS information which is logged on SD card and shown on a OLED display. It can be carried as a watch or simply used as a GPS data logger. The whole system is based on Arduino Nano, with a Lipo power management module which enables USB battery recharge.
Check out the video after the break.