The company has reportedly tested two iWatch prototypes and progress is described as good. Apple has yet to determine a final screen size and prototypes are being powered by a 100 mAh battery. CTech believes that size battery to be far to small considering that the Samsung Galaxy Gear is powered by a 315 mAh battery and has received criticism over its battery life.
The prototype is also said to feature the ability to wirelessly charge from one meter away.
You can find a Google translation of the article here.