I think Sony had one of the few smart wristbands for analogue watches but IIRC its japan only. I found the idea quite nice, a small led row display to show whos

I think Sony had one of the few smart wristbands for analogue watches but IIRC its japan only. I found the idea quite nice, a small led row display to show whos calling for example and the wristband looked like a normal band for the watch. Havent found anything like that since that Sony one