Apple Watch Series 3 GPS has ion-X glass and also support force touch. It can monitor heart rate, calorie burnt, step count easily. It has different activity rings to visualize stand, move and exercise actions. Only compatible for Iphones.
Swim-proof and water-resistant
3 Activity rings - stand, move and exercise rings
Built-in GPS and altimeter
No call function
Compatible with Iphones only
Samsung Gear S3 is a super cool smart watch, highly recommended for sports and trekking usage. It is compatible with Samsung Android, other Android, iOS (bluetooth) and iOS (stand alone). The look of the watch can be transformed by changing watch face with preloaded designs available at the Gear App Store.
Supports wireless charging
Resistant to water and dust
Watch face can be transformed
No SIM card slot
Not suitable for swimming or diving
Fossil Gen 3 Q Explorist is powered with Android 2.0 OS, and is compatible with all devices with version Android 4.3+ or iOS 9+. It is super cool gadget to track number of steps, calories burnt and distance covered. It can be customised with your dress code by altering watch faces and interchangeable straps.
Good display even brighter in good sunlight
Customisable watch faces and interchangeable bands
No heart rate monitor
No cellular mode
Amazfit Stratos Multisport is compatible with Android 4.4 and above systems, iOS 9.0 and above systems. It tracks activity like running, walking, cycling, swimming, elliptical machine, mountaineering, trail running, triathlon, tennis, soccer and golfing. It also measures maximum oxygen consumption (VO2max), exercise load (TD) and recovery time.
Compatible with Android and iOS
Scratch-resistant 2.5D Corning Gorilla glass
Easy navigation buttons and exchangeable watch strap
Also measures maximum oxygen consumption
Less battery life
No call function
Fitbit Versa is compatible with Android 4.3, iOS, Windows 7 and above. It is available in 5 color shades - Black, Lavendar, Charcoal, Peach and Gray. It is lightweight, and swim-proof watch which enables you with tracking health and fitness monitoring.