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REXQU HEALTH WATCHES Get AltiTrek
REXQU AltiTrek Health Watch
REXQU AltiTrek Altimeter Watch
$149.97
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REXQU ALTITREK

AltiTrek Altimeter Watch with GPS & Compass

Read the Mountain. Trust Your Bearings.

AltiTrek is an altimeter watch built for hiking, mountain days and outdoor travel. It combines built-in GPS with altitude, barometric-pressure and compass tools, plus an IP68-rated body, Low-Temperature Mode, a 1.43-inch AMOLED and wrist-based wellness tracking.

$149.97

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REXQU AltiTrek altimeter watch showing altitude, barometer and compass readings on a 1.43-inch AMOLED
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Altimeter Watch Features for Hiking and Mountain Days

AltiTrek brings elevation, pressure, direction and route tools together with a rugged outdoor design and everyday wellness features.

🛰️

Route Recording With Built-In GPS

Built-in GPS supports route and movement tracking for listed outdoor activities, with supported route information available through the watch and companion app.

🧭

Barometer Watch & Altimeter Data

Review altitude and barometric-pressure information for useful elevation and environmental context while outdoors.

🧭

Watch with Altimeter and Compass

An onboard compass adds quick bearing information alongside altitude and pressure data when you need orientation context.

🛡️

IP68-Rated Outdoor Build

The listed IP68 rating provides dust and water resistance for everyday outdoor exposure; follow current care instructions for water use.

✨

1.43″ AMOLED

A sharp 1.43-inch 466×466 AMOLED with full-screen touch stays readable in bright sun.

🌡️

Cold Weather Watch Mode

A dedicated Low-Temperature Mode is designed to support operation in colder outdoor conditions.

REXQU AltiTrek live heart-rate data during sport

Heart-Rate and Activity Trends for Outdoor Training

AltiTrek can track wrist-based heart-rate patterns through the day when monitoring is enabled, alongside supported steps, distance and calorie estimates in the Fitbeing app.

  • Background heart-rate trends when enabled
  • Supported steps, distance and calorie estimates
  • Personal trend history in the Fitbeing app
Track My Health →
WRIST-BASED WELLNESS CHECKS

Review Several Wellness Readings from One Watch

AltiTrek brings supported heart-rate, SpO₂ and blood-pressure wellness estimates into the Fitbeing app for personal trend awareness. Wrist readings are not a substitute for clinical measurements or medical advice.

  • Supported on-wrist wellness checks
  • Background heart-rate tracking when enabled
  • Personal trends charted in the Fitbeing app
Check My Vitals →
REXQU AltiTrek real-time health monitoring with multi-channel sensors
REXQU AltiTrek blood oxygen, pressure measurement, 24-hour heart rate and women's health
SpO₂, PRESSURE & CYCLE TRACKING

Mountaineering Watch Features Beyond Elevation

Alongside altitude and navigation tools, AltiTrek includes wrist-based SpO₂ spot checks, blood-pressure wellness estimates and cycle-tracking features. Use these for personal wellness trends rather than decisions about altitude illness, treatment or diagnosis.

  • Wrist-based SpO₂ spot checks
  • Blood-pressure wellness estimates
  • Period and cycle-tracking features
Explore Wellness Features →

For altitude-related symptoms or safety decisions, use appropriate equipment and professional guidance rather than wrist wellness estimates.

SLEEP TRENDS

Estimated Sleep Tracking at Home or Base Camp

Wear AltiTrek overnight to review estimated sleep duration and stage-related trends in the Fitbeing app, then compare your own pattern over time.

  • Automatic estimated sleep tracking
  • Deep and shallow sleep estimates
  • Morning trend summaries in the app
Review My Sleep Trends →
REXQU AltiTrek scientific sleep monitoring at camp
REXQU AltiTrek GPS satellite trajectory navigation with track-back
GPS HIKING WATCH TOOLS

GPS Hiking Watch Route Recording and Track-Back Support

AltiTrek supports GPS trajectory and track-back features for listed outdoor activities, along with real-time movement-direction information and 60+ published sport modes. Carry dedicated navigation tools where route-finding is safety-critical.

  • GPS trajectory and track-back support
  • Real-time movement-direction information
  • 60+ listed sport modes
Leave a Trail →
ALTIMETER, BAROMETER & COMPASS

Altimeter Watch with Barometer and Compass Tools

Built-in GPS pairs with altitude, barometric-pressure and compass information so you can check elevation context, pressure trends and bearing from the wrist during outdoor use.

  • Built-in GPS motion positioning
  • Altitude and barometric pressure
  • Onboard compass heading
Find My Heading →
REXQU AltiTrek altimeter and compass on a mountain
REXQU AltiTrek -30°C low temperature mode in snow
RUGGED & COLD-WEATHER USE

Cold Weather Watch Mode in an IP68-Rated Build

The IP68-rated body is designed for dust and everyday water exposure, while Low-Temperature Mode supports use in colder conditions. Water resistance can change with wear, so follow current care instructions.

  • IP68 dust and water resistance
  • Low-Temperature Mode for the cold
  • Tough 47.5mm frame at just 45g
Take It Anywhere →

Multi-Day Battery for Hiking and Outdoor Trips

The 530mAh battery is listed for around five to seven days of active use and 40+ days on standby, with magnetic charging. Actual runtime varies with GPS, display, sensors, temperature and other settings.

  • ~5–7 days active use
  • 40+ days standby
  • Fast magnetic charging
Go Longer →
REXQU AltiTrek multi-day battery life

AltiTrek Altimeter Watch: Key Outdoor Features

FeatureREXQU AltiTrekWhat to Know
Altimeter / altitude data✓ IncludedUseful elevation context for outdoor activity; not professional surveying equipment
Barometer✓ IncludedShows barometric-pressure information and trends
Compass✓ IncludedUseful bearing aid; carry dedicated navigation gear for safety-critical routes
Built-in GPS✓ IncludedSupports listed route and trajectory features
Track-back✓ ListedUse as a convenience feature, not your only backcountry navigation method
Sport modes60+ listedAvailability can vary with software/app version
Cold-weather mode✓ Low-Temperature ModeDesigned to support operation in colder conditions
Water / dust resistanceIP68 ratedFollow current care guidance for water exposure
Display1.43″ 466×466 AMOLEDFull-screen touch display
Battery530mAhPublished ~5–7 days active use and 40+ days standby; actual runtime varies
Heart-rate trends✓ IncludedGeneral wellness information, not clinical heart monitoring
SpO₂ / blood pressure✓ Wellness featuresNot substitutes for validated medical devices

Two Finishes, the Same Altimeter and GPS Toolset

Black and Silver share the same advertised altitude, pressure, compass, GPS and wellness features. Choose the finish you prefer.

Compare AltiTrek with REXQU Outdoor and GPS Guides

AltiTrek targets the altimeter-watch shopper, while these pages cover broader rugged, GPS and wearable-health needs.

Rugged Smartwatches

Compare other outdoor-focused models in the REXQU rugged smartwatch collection.

GPS Smartwatches

Browse the broader REXQU GPS smartwatch collection for different route and navigation needs.

SpO₂ Accuracy Guide

Learn what can affect wrist oxygen readings in our SpO₂ accuracy Health Guide and browse more Health Guides Editorial Standards.

REXQU AltiTrek lifestyle

REXQU AltiTrek Altimeter Watch

$149.97

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Try AltiTrek during the return window. If it is not the right fit, request a return within 30 days in accordance with our Returns & Refund Policy.

How to Use an Altimeter Watch Properly

A barometric altimeter is a genuinely useful instrument and a slightly fussy one. Here is how it works, where it drifts, and how to keep it honest.

Barometric altitude is calculated from air pressure, so it drifts

Your altimeter reads pressure and converts it to height. Weather changes pressure too, which means a stationary watch can gain or lose a hundred feet overnight without moving. That is not a fault — it is physics. The National Weather Service explains what those pressure changes mean, and a falling barometer over a couple of hours is a real early warning of weather coming in.

Calibrate at a known point and it stays accurate all day

The fix is simple: set the altimeter at a trailhead sign, a summit marker or any surveyed elevation before you set off. From there the relative gain and loss over a few hours is reliable, which is the number you actually care about on a climb. Recalibrate the next morning.

GPS altitude and barometric altitude disagree, and both are right

Satellite altitude is geometrically derived and steadier over days but noisier minute to minute; barometric altitude is smooth and responsive but drifts with weather. AltiTrek carries both. The official US government page on GPS accuracy explains why vertical accuracy is always worse than horizontal. More in our altimeter guide.

A compass needs to be away from metal and held level

Geomagnetic compasses are thrown by car bodies, ski lift pylons and phone magnets, and they read badly when tilted. Hold the watch flat and step away from the ironmongery before you trust the bearing.

Cold is the condition that catches people out

Battery capacity falls in the cold and screens dim, which is why AltiTrek is tested for it. Plan the day for it anyway — cold weather hiking covers what to expect, battery life on long days covers the rest, and the National Park Service hiking safety guidance matters more than any of it.

More from the range: GPS smartwatches · rugged smartwatches · all health smartwatches. Health statements follow our editorial and research standards.

AltiTrek Altimeter Watch FAQs

How accurate is an altimeter watch?

For relative gain and loss over a few hours — the number that matters on a climb — a calibrated barometric altimeter is very good, often within a few metres. Absolute altitude is a different matter, because it is calculated from air pressure and weather moves that. Set it at a known elevation before you start and the day’s figures will be reliable; leave it uncalibrated for a week and it will drift.

Why does my altimeter watch show a different height overnight while sitting still?

Because the weather changed, not because the watch is faulty. A barometric altimeter converts air pressure into height, so an incoming low-pressure system reads as gaining altitude and a high reads as losing it. This is actually useful information in reverse: if the watch says you climbed 60 metres while it sat on a table, the pressure is dropping and weather is on the way.

What does the altimeter on AltiTrek show?

AltiTrek provides altitude information for outdoor context and pairs it with barometric-pressure and compass data. It is intended as a convenient wrist tool rather than professional surveying equipment.

Does AltiTrek have built-in GPS?

Yes. The product specification lists built-in GPS trajectory and track-back features for supported outdoor activities. For serious backcountry navigation, carry appropriate dedicated navigation equipment as well.

Is AltiTrek a watch with an altimeter and compass?

Yes. It combines altitude information, a barometer and an onboard compass in the same outdoor-focused watch.

What does the barometer watch feature do?

The barometer provides atmospheric-pressure information and trends that can add environmental context during outdoor activity. Do not rely on it as your only weather-safety tool.

Will AltiTrek work in cold weather?

AltiTrek includes a dedicated Low-Temperature Mode designed to support operation in colder conditions. Battery life and sensor performance can still vary with temperature and usage.

How water resistant is AltiTrek?

AltiTrek is listed as IP68 rated for dust and water resistance. Follow current product-care guidance because water resistance can change with wear and not every type of water exposure is equivalent.

Can AltiTrek replace a medical blood-pressure monitor or pulse oximeter?

No. Its blood-pressure and SpO₂ functions are general wellness features. Use validated medical devices when clinical measurements matter.

How long does the battery last?

The published specification lists around five to seven days of active use and 40+ days on standby. Actual battery life varies with GPS, display, sensors, temperature, notifications and other settings.

Which phones does AltiTrek work with?

The page lists Android 7.0+ and iPhone iOS 12.0+ through the Fitbeing companion app. Compatibility can vary with phone, operating-system and app updates.

What if AltiTrek is not right for me?

REXQU offers a 30-day return window subject to the Returns & Refund Policy.

Elevation, Direction and GPS in One Altimeter Watch

Choose AltiTrek for altitude, barometric-pressure and compass tools alongside built-in GPS, an IP68-rated outdoor build and Low-Temperature Mode.

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$149.97
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