the background. The G-P runs just a tad fast over 24 hours, not enough to warrant a service yet, it is just a couple of minutes an I usually only wear it for a couple of days so I set it back a couple of minutes on day 2.
Gyromatic (GP speak for automatic) made under the ownership of Otto Graf. Gyromatic refers to the Gyrotrons which are part of the bi-directional auto-winding system developed by GP. 🤝