Tech Specs
In The Box
- Fenix 3 - Sapphire watch with metal band
- Black rubber watch band (removal tools included)
- USB charging/data cable
- AC adapter
- Quick start manual
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs
In The Box
- Fenix 3 - Sapphire watch with metal band
- Black rubber watch band (removal tools included)
- USB charging/data cable
- AC adapter
- Quick start manual
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin Fenix 3 Sapphire Watch with Metal Band — Advanced Multisport GPS for Outdoor Navigation and Fitness Tracking
Introduction
The Garmin Fenix 3 Sapphire Watch combines rugged outdoor capability with serious training features in a single wrist-mounted device. This multisport GPS watch integrates ABC navigation (Altimeter, Barometer, Compass) with comprehensive fitness tracking, enabling you to navigate backcountry terrain, monitor aerobic performance, and maintain situational awareness during any activity—from trail running and cycling to mountaineering and open-water swimming. Built for athletes and adventurers who need reliable performance in unpredictable conditions, the Fenix 3 Sapphire is engineered to withstand extreme environments while delivering the real-time data you need to optimize training and stay on course.
Key Features
- ABC Navigation System: Integrated altimeter, barometer, and digital compass for precise elevation tracking, weather forecasting, and directional accuracy without relying solely on satellite signals
- Extended Battery Life: 50 hours in UltraTrac mode for multi-day expeditions, 16 hours with continuous GPS logging, and up to 3 months in standard watch mode
- Chroma Display Technology: High-resolution sunlight-readable screen with LED backlight ensures clarity in bright outdoor conditions and low-light environments
- VO2 Max Estimation: Aerobic capacity measurement and trend tracking for assessing cardiovascular fitness improvements over weeks and months
- Running Dynamics Metrics: Ground contact time, vertical oscillation, and cadence data when paired with HRM-Run monitor for biomechanical analysis
- Smart Notifications: Incoming emails, SMS text messages, and smartphone alerts displayed directly on the watch face with Bluetooth connectivity
Data Insights
The VO2 Max estimator provides quantifiable data on aerobic capacity—a key performance indicator for endurance athletes. Research indicates that maintaining a VO2 Max level above 50 mL/kg/min correlates with superior athletic performance and cardiovascular health. The Fenix 3 Sapphire tracks this metric continuously, allowing you to monitor whether your training regimen is improving oxygen utilization efficiency. Battery longevity is equally critical for backcountry users: the 50-hour UltraTrac mode enables multi-day treks on a single charge, while the 16-hour GPS mode supports full-day training sessions with detailed route logging and waypoint navigation.
Usage Instructions
Charge the watch fully before any extended activity. Enable GPS mode for real-time navigation and fitness data, or switch to UltraTrac mode for battery-intensive multi-day expeditions where power conservation is essential. Connect the optional HRM-Run heart rate monitor via ANT+ to unlock running dynamics metrics. Pair with your smartphone via Bluetooth to receive notifications and sync workout data automatically to Garmin Connect. Customize watch faces and download sport-specific apps through the Connect IQ store to tailor functionality to your activity type—whether you're orienteering, trail running, or backcountry skiing.
Design & Material
The Fenix 3 Sapphire balances durability with refined aesthetics, transitioning seamlessly from technical outdoor gear to everyday sportswear. Every component is engineered for longevity and performance reliability across temperature extremes, moisture, and mechanical stress.
- Stainless Steel Bezel: Protective frame that resists corrosion and adds a premium appearance while safeguarding the display edge
- Sapphire Crystal Lens: Harder than standard mineral glass, resists scratching from abrasion and impacts while maintaining optical clarity indefinitely
- Metal Band: Stainless steel construction ensures durability and a secure fit without degradation from sweat, saltwater, or UV exposure
- Reinforced Housing: Robust case construction withstands drops, rocks, and environmental hazards typical of mountaineering and trail sports
- Chroma Display Technology: Delivers accurate color representation and high contrast in full sunlight, critical for reading maps and GPS data outdoors
- Customizable Watch Faces: Multiple digital and analog face options allow you to personalize the interface while maintaining functional data visibility
Final Verdict
The Garmin Fenix 3 Sapphire Watch is purpose-built for endurance athletes, mountaineers, and outdoor professionals who demand reliability in challenging conditions. The combination of ABC navigation, extended battery life, VO2 Max tracking, and sapphire crystal durability sets it apart from consumer-grade fitness watches. Whether you're training for ultramarathons, navigating remote backcountry, or tracking multisport performance, this watch delivers the accuracy, durability, and data depth needed for serious athletes. Invest in a multisport tool that lasts across years of demanding use and delivers measurable fitness insights—the Garmin Fenix 3 Sapphire is the choice for those who refuse to compromise on performance or reliability.




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