$299 RibX Smartwatch uses MediaTek MT6572
RIBX FB1 “Future Battlefield” and the TI “Titanium” Smartwatch is built to be durable, retail price may be $299 and $699 to be available in April, they expect to sell more than 100 thousand. The processor is MT6572 with built-in SIM card, GPS support. Android 4.3 support.
You can find more about them at http://www.ribx.hk