1. Apple Watch Series 6 - The latest model from Apple offers a variety of features such as advanced fitness tracking, ECG sensor, and a heart rate monitor. It also includes a larger display, faster performance and always-on altimeter. It's considered as one of the best smart watch out there in the market

2. Samsung Galaxy Watch 3 - This smart watch from Samsung offers a sleek design and a variety of health and fitness features, including a heart rate monitor and sleep tracking, as well as GPS and 5ATM water resistance.

3. Huawei Watch GT 2 - This smart watch offers a long battery life and a variety of health and fitness tracking features, including a heart rate monitor and GPS.

4. Amazfit GTS 2 - This budget-friendly smart watch offers many features such as GPS, heart rate monitoring, and fitness tracking, as well as a sleek design.

5. Fitbit Sense - This smart watch from Fitbit offers advanced health monitoring features such as an ECG sensor and skin temperature sensor, as well as GPS and a variety of fitness tracking features.

6. Garmin Vivo active 4 - This smart watch from Garmin offers a variety of fitness tracking features, including GPS and heart rate monitoring, as well as music control and contactless payments.

7. Oppo Watch - This smart watch from Oppo offers a sleek design and a variety of health and fitness features, including GPS and heart rate monitoring, as well as sleep tracking and water resistance.

8. Tic Watch Pro 3 GPS - This smart watch from Mobvoi offers a long battery life and a variety of health and fitness features, including GPS and heart rate monitoring, as well as sleep tracking and water resistance.

9. Withings Steel HR Sport - This smart watch from Withings offers a sleek design and a variety of health and fitness features, including GPS and heart rate monitoring, as well as sleep tracking and water resistance.

10. Suunto 7 - This smart watch from Suunto offers a variety of fitness tracking features, including GPS and heart rate monitoring, as well as music control and contactless payments.

These are some of the best smart watches currently available on the market, but please note that this list is not exhaustive and you should also check the local market, read reviews and consider what features are important to you before making a purchase.