Jeff VNoting that I shifted the overall aim of this project to include a smart phone app to connect to a simple Arduino smart watch, so people can take that and run with it.
I am open to other technologies (e.g. ESP32 for the board and Gadgetbridge for the app)
Some links to places I've looked that had more information and resourcres:
ElectroNoobs - SmartWatch Firmware v2.0 - Some Arduino code I may utilize
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