https://www.youtube.com/watch?v=jHT4-2Z0mIQ read the full guide on: https://learn.adafruit.com/micropython-oled-watch/overview In this project we’ll show you how to make a watch using an Adafruit Feather M0, an RTC module and an OLED display. The enclosure and wristband are 3D printed in ninjaflex, so it’s both strong and comfortable to wear.