Wuxi Graphine Film Co Ltd has a new smart health watch, the GF1 that uses a passive OLED 1.3″ white OLED with 128 x 64 resolution. The unit started shipping in China at the end of 2017 and is now available in the US on Amazon.com at $55.
The watch is notable for using CVD-deposited graphene film as the conductor for the touch.
There is a brief video online here.