Gyro Winder / Watch Winder / Remontoir Montre

Slicer = Cura
Took about 8-10 hours to print.
The 40% infill recommended seems to me to be excessive. I used 15% and my model is strong.

Update about one year later: The winder has been running continuously for an entire year. Apart from a few loose screws, it has worked impeccably A software-engineer friend rewrote the code which is now much more succinct. You can it here: http://www.whatimade.today/arduino-code-for-a-watchwinder-2/