Watch Winder

This DIY watch winder, powered by the widely available Bambu Lab TT motor, offers an affordable solution for watch enthusiasts. The motor, which I measured to spin at approximately 45 RPM, is slowed down to 0.5 RPM using a 90:1 gear ratio. This results in around 750 rotations per day, an ideal range to keep most automatic watches wound. However, some watch movements can be prone to overwinding, so it’s important to research your specific watch. The winding assembly is mounted on a 65-degree stan