Samsung gear s2 has a smart round design which will make you feel good as soon as you wear it in your hands. With its great display which a better resolution under sunlight also will provide you a great interface with the gear.
It has an interactive interface with the user so that even a new user can become friendly with this device.
The main advantage is that it has a vast support of Android smartphones so that you can connect it with the phones you use rather than buying a Samsung smartphone.
Another pros is that it has an IP68 protection so that even you watch gets contact with water also there is no problem. But it does not mean that it cant be submerged in water.
The price is equal as compared to other popular brands