Honor Watch GS Pro Smartwatch Review

For many, a key argument for a fitness tracker or smartwatch is their health functions. Huawei’s software, which is also used in Honor’s wearables, has already impressed in tests of other wearables such as the Honor Magic Watch 2; especially with the visualization of the data in clear diagrams, both in the Health App and on the wrist.

The data it logs and displays throughout the day include heart rate, which is also used for stress analysis, and the number of steps taken. In addition, the sensors determine distances and altitude differences, and the software provides calorie consumption and compares what has been achieved with the personal goals. If the Honor Watch GS Pro is worn at night, a sleep log evaluates the nightly rest on the basis of light or deep sleep phases as well as waking phases and the so-called REM phases (Rapid Eye Movement phases).

In contrast to Fitbit Sense, for example, the Health App does not allow you to specify whether the watch is worn on the dominant or non-dominant wrist. Several test runs have shown that this factor is indeed relevant: When worn on the dominant wrist, there were deviations of between 6 and 8%; when worn on the non-dominant wrist, the deviations remained below 1% in each case, which means that the majority of users should obtain reliable values.

We had the Honor Watch GS Pro compete with a Polar chest strap to measure heart rate. At rest, it measured approximately the same beat and counted a maximum of 2 beats per minute less than the chest strap. When the performance increased, the negative deviation increased to about 6 beats. We observed both displays in parallel. The chest strap then showed an average and maximum of 119 and 151 bpm (beats per minute), while the Honor Watch and the Health App for the same workout showed 113 and 145 bpm, respectively. In other workouts, the deviation was not quite as constant at six beats, but was within a comparable, overall acceptable range.

According to the Honor smartwatch, the author’s oxygen saturation never dropped below 99%. According to the wearable, she even often enjoyed the extraordinarily good saturation of 100%, although a medically certified pulse oximeter showed lower values in each case, usually between 95 and 96%. The deviation ranged between 3 and 4 percentage points in direct comparison. That may not be much and plays only a minor role in this value range. However, it is questionable whether our test device will ever display anything other than 99 or 100%. If the actual value falls below the normal range (about 94-98%), and the Watch GS Pro remains above it by 4 percentage points or more, the false picture it displays could be significant.

Other recent wearables from Honor and Huawei have shown to be more reliable in measuring blood oxygen saturation. It is therefore quite possible that our test device is not representative in this respect.

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