The vivoactive 3 Music was really fun in the smartwatch test. If you have a small preference for numbers, you can measure almost everything with the smartwatch. However, the complexity of the watch also makes it a bit awkward to use - I've already rummaged through Garmin's online help once or twice...

Athletes make a fundamental decision when buying wearables: either for simpler operation with a clear overview or for greater detail and training plans. Test winner Apple has the best wearable in its range and measures heart rate very accurately. But the competition also offers advantages: Samsung's Gear Fit 2 Pro convinces with training instructions while running, Garmin's Fenix 5 Plus offers great...