Like the Apple Watch, the Moto 360 comes in two sizes. The LG Watch Style is close in size to the smaller Moto.
Build materials (watch face)
Both watch faces are made out of stainless steel, but the back of the LG Watch Style – the area that touches your wrist – is plastic. Both displays are Gorilla Glass 3.
These watches have plenty of color options to choose from, so you don't need to worry about your wristwear clashing with your other accessories.
Similarly, both watches have interchangeable bands. The LG Watch Style ships with either leather or silicone bands. With the Moto 360, you can choose from stainless steel or silicone.
Fully round display
While the Moto 360's display may give the impression of being fully round, it actually has a flattened-off area at the bottom.
Even with those slivers of screen missing, either Moto 360 watch packs in more display area than the 1.2-inch round LG Watch Style.
The LG Watch Style has higher display resolution, making for a slightly sharper appearance.
The LG Watch uses P-OLED (plastic amoled) display technology, while the Moto 360 uses IPS.
Both watches have always-on display options, so you can see key notifications at a glance. You can turn this option off to conserve battery.
Rotating power button
The LG Watch Style takes a cue from the Apple Watch's Digital Crown: You can twist the power button/crown to navigate through your watch content. There is no comparable physical navigation option on the Moto 360.
Both watches are IP67 water resistant.
Neither one offers cellular connectivity, so they only work in conjunction with your phone.
Don't expect to navigate or map your workouts right from your wrist: Neither watch has a built-in GPS.
Heart rate sensor
The Moto 360 is a better fitness (or stress) tracker, since it contains a heart rate sensor.
If you're hoping for a watch that can make mobile payments, look elsewhere. Neither of these harness the requisite NFC technology.
The LG Watch Style has the smallest battery capacity, but there are a number of factors that go into battery longevity. Without running tests on each, we're not able to give an estimate on comparative battery life.
The LG Watch Style is one of the first watches to ship with Android Wear 2.0, though Google has said the second-generation Moto 360 will receive the 2.0 update soon. The newer software includes a number of perks, including an on-watch version of the Google Play Store.
The Moto 360 beat the LG Watch Style to the market by nearly a year and a half. It's possible we'll hear about an updated model starting next week, at Mobile World Congress 2017.
The LG Watch Style has the lowest MSRP of all, but if you already have a working Moto 360, it may not be worth the upgrade.
If you decide to opt for a new Moto 360, don't pay full price – they've been on the market for a while. You can likely find a more compelling value either through a discount or a different type of watch.
If you're looking for an Android Wear 2.0 watch with more features (and heft) check out the LG Watch Sport.
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