Apple is the manufacturer of the Apple Watch, a popular smartwatch series known for its sleek design and integration with iOS devices.

Google's smartwatch brand is called Pixel Watch, which runs on the Wear OS platform.

Samsung is a South Korean company that produces a range of smartwatches, including the popular Galaxy Watch series.

Fitbit is the brand name for smartwatches and fitness trackers produced by the company Fitbit.

Huawei is a Chinese technology company that produces a range of smartwatches under the Huawei Watch brand.

Garmin is the brand name for smartwatches and fitness trackers produced by the company Garmin.

OnePlus is a Chinese smartphone manufacturer that also produces a smartwatch called the OnePlus Watch.

Fossil is the brand name for smartwatches and traditional watches produced by the company Fossil.

Huami is a Chinese technology company that produces a range of smartwatches under the Amazfit brand.

Mobvoi is the brand name for smartwatches and other wearable devices produced by the company Mobvoi.

Withings is a French company that produces a range of smartwatches and health tracking devices, including the Withings ScanWatch.

Casio is the brand name for smartwatches and traditional watches produced by the company Casio.

Polar is a Finnish company that produces a range of smartwatches and fitness trackers, including the Polar Vantage V2.

Suunto is the brand name for smartwatches and outdoor sports watches produced by the company Suunto.

Coros is an American company that produces a range of smartwatches and fitness trackers, including the Coros Vertix 2.