Wearables start-up Omate announced two new smartwatches, building on its original TrueSmart device which it said “led the true concept of a standalone smartwatch that could match the capabilities of an Android smartphone”.

The new products are TrueSmart+ and TrueSmart-i. Unlike other smartwatches, which use Google’s Android Wear platform, the former is powered by Android 5.1 and the latter by Android 4.4, with Omate’s own interface on top.

TrueSmart+ has a 320×320 pixel screen, compared with 240×240 pixel for TrueSmart-i, although the latter includes a camera. Both include 1GB of RAM and 8GB of storage.

Other features of TrueSmart+ include a low-power, always-on sensor hub; and strengthened straps which integrate Wi-Fi/2G/3G and GPS antennas.

Shipments of preorders will start in November. According to the company’s website, the $169 TrueSmart+ is still available, while the $149 TrueSmart-i has sold out.

Omate’s original TrueSmart was funded via Kickstarter, and the company has subsequently announced more fashion-oriented products, including a smartwatch targeting women.