• I don't know but I just guess that it is custom made in a sense that they decided how the watch should look and then contracted some smartwatch manufacturer to make it. I am guessing mainly because it does not have HR sensor nor touchscreen and has so many buttons, it looks like watch you can operate in space suit :-)

    BTW, there is a marking on PCB so someone called RICHTECHIE designed this RT-H120D board , googled and found this video https://www.youtube.com/watch?v=VPVwuRLbFrI


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    • pcb.PNG
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