Motorola has followed up the launch of the first round Android Wear device, the Moto 360, with a refreshed set of models by the same name in 2015. Simply known still as the "Moto 360" (though we'll throw (2015) on the end for clarity), this is actually multiple watches under the same name.

There's a standard 46mm Moto 360 (2015) that directly replaces the old model, but there are also two smaller 42mm models, one for men and another for women. A fourth "Sport" model is also here with a more rugged design.

All three non-Sport models have similar designs to one another, and overall don't look dramatically different from the original Moto 360. The side-mounted multi-function button has been moved up to the 2 o'clock position for easier access, and Motorola has added external lugs to hold the bands instead of hiding them within the body. That makes the variety of bands easier to swap out, and gives more room inside for components such as battery. The Sport model has a full rubber enclosure, which should be great for running, hitting the gym or situations where its likely to be bumped.

Much like its phones, Motorola is also expanding its Moto Maker service to the Moto 360 (2015) so you can customize your watch exactly how you want it. You can choose your size, colors, bezels and bands all online, and have a tailored watch shipped directly to you.

Speaking of components, the Moto 360 (2015) has bumped up to industry-standard Android Wear components after being behind on performance last time around, now using a Snapdragon 400 processor, 512MB of RAM and 4GB of storage inside. The 46mm and Sport models have a 400 mAh battery inside, and the 42mm models have a 300 mAh battery.

Though the screens are round they still have the infamous "flat tire" (Motorola calls it the "display shelf") at the bottom of the display to hold various sensors, which among other things enable Motorola to do automatic ambient screen brightness. Motorola now leaves ambient display on by default — so the watch is always displaying the time — and claims the new Moto 360 (2015) can still achieve full-day battery.

The Moto 360 (2015) ranges in price from $299 to $429, depending on model and features chosen.