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Rugged GPS watches can get expensive fast. The Mibro GS Explorer S aims to keep the price down at €159.99.

It is Mibro’s flagship outdoor watch, and it is the most-reviewed model in the brand’s whole catalog. Its 240 on-site reviews add up to 96.3% positive, with 63% at five stars and 26% at four stars.
To test that figure, we combed through the spec sheet and the review breakdown. We also read coverage from independent outlets, including Wareable and TechRadar.
Screen and Build Quality
The display is a 1.32-inch AMOLED panel at 466×466 resolution. Brightness peaks at 1500 nits, and an always-on mode is available.
The case pairs a nano-microcrystalline ceramic bezel with fiber-reinforced polymer. Corning Gorilla Glass 3 protects the screen.
On the durability side, Mibro rates the watch to MIL-STD-810H. That is a real military standard, and it includes 17 separate stress tests.
Water resistance is 10 ATM. Freediving is supported to depths of 30 meters.

Satellites, Sensors and Smart Features
Positioning relies on dual-band L1+L5 GNSS. Five satellite systems feed it at once: Galileo, GPS, QZSS, GLONASS and Beidou.
Watches that cost two or three times as much use the same class of satellite hardware.
The rest of the feature list is long. It includes 150+ sports modes, plus a PPG heart rate monitor, SpO2, an altimeter, a barometer and a compass.
Calls run over Bluetooth 5.3, and NFC handles card payments.
How Long the Battery Lasts
Mibro rates everyday use with a Bluetooth connection at around 20 days. Standby without a phone link stretches to roughly 60 days.
With continuous GPS tracking switched on, the figure falls to 25 hours. That is still a solid result for a dual-band setup.
Bluetooth calling is rated for about 9 hours, and music playback for 7.
These are manufacturer figures, not independently timed results. Even so, they sit within what outdoor watch reviewers usually describe as realistic for a screen and chipset like this one.
Training Modes and the Mibro Fit App
The 150+ sports modes cover the obvious choices: running, cycling, pool swimming and open-water swimming. Less common options include freediving, triathlon, skiing and tennis.
Workout data syncs through the Mibro Fit app. The app can then pass it along to Strava, Apple Health and Google Fit.
This is a bigger deal than it sounds. Plenty of low-cost watches trap your history in their own app, so a direct export to Strava saves you from restarting your training log.
Route navigation offers an offline track-back feature, which lets you retrace a trail with no live data connection. Waypoint marking helps on longer hikes.
Add the barometer and compass, and the picture is clear. This watch is made for people who really do leave cell coverage behind, and it is not aimed only at gym-goers after a fitness badge.
Dimensions, Colors and Included Extras
Across the case, the watch is 47.8mm. The thickness is 13.1mm, and the weight with the silicone strap on is 71g.
This is a big watch. It has more in common with a dedicated outdoor GPS unit than with a slim daily tracker, so try it on first if your wrist is small.
Two colorways are offered, black and orange. Each box holds a magnetic charging cable plus two silicone straps, one orange and one black.
Having both colors included is a nice touch at this price. You can change the look without paying for another band, and the 22mm width leaves room for third-party straps later.
Where Buyers Push Back
A 96.3% positive score is strong. Even so, the remaining reviews are not nothing at this volume.
On the product page, the same complaints keep coming up: GPS reliability issues in certain conditions and strap durability concerns. One documented case describes the battery wearing down after nine months of use.
A few buyers pointed to buttons that respond poorly, and others mentioned slow replies from customer service.
That kind of list is common for a low-cost outdoor watch. Think of the GPS as very good, not perfect.
Register the warranty as soon as the watch arrives, just in case. The warranty runs 12 months, and the return window is 14 days.
Mibro Lineup and Amazfit Rivals
The GS Pro2 and the GT are the cheaper siblings in Mibro’s range. The roughly €50 extra for the GS Explorer S buys deeper water resistance and stronger satellite hardware.
Outside the brand, its rivals are budget outdoor watches from Amazfit, which cost about the same or less.
Our Verdict
Anyone who wants dual-band GPS, true 10 ATM water resistance and military-grade durability testing, but does not want to pay flagship money, should shortlist the GS Explorer S. It ranks among the stronger options at this price.
Accept that there is a slim chance of GPS quirks, and that the strap may need replacing after heavy use. Hold on to your proof of purchase in case of a warranty claim.