Skip to content

Garmin Instinct 3 Supernova Rugged GPS Smartwatch

by Garmin
trackbetter is a trusted Authorized Dealer for this brand. All purchases are eligible for full manufacturer warranty protection.
Original price $399.99 - Original price $499.99
Original price $399.99
$449.99
$399.99 - $499.99
Current price $449.99

Need Help?

Talk with an expert Need expert advice?

Garmin Instinct 3 Supernova combines rugged durability with advanced GPS, 24/7 health tracking, and Garmin Pay. Available in 45 mm or 50 mm AMOLED or Solar models with long-lasting or unlimited battery life.

Model: 45mm AMOLED - Black with Bolt Blue/Black

Garmin Instinct 3 Supernova rugged GPS smartwatch with AMOLED and Solar models, SatIQ GPS, health tracking, Garmin Pay, flashlight, and up to unlimited battery life.

Why Shop Garmin Instinct 3 Supernova with TrackBetter?

Free 2-Day Shipping

Anywhere in USA. Have it in your hands in 2 business days or less.

Free 60-Day Returns

No Hassle Returns. Either you love it, or you return it.

Customer Delight Team

Our team of experts are here via phone or email if you need help or guidance.

Top Garmin Instinct 3 Supernova Dealers in U.S.A.

Thousands of happy customers (and counting).

WHAT'S INCLUDED IN THE BOX?

Garmin Instinct 3 Supernova Smartwatch

Charging/Data Cable

Screen Protectors & Portable Charger (+$10 Upgrade) **Optional Upgrade not included in standard packaging.**

Gift Box, Case, Wall Adapter (+$30 Upgrade)**Optional Upgrade not included in standard packaging.**

Rugged Build That’s Ready for Anything

The Instinct 3 Supernova is engineered to keep going when conditions get rough. Built with bolted construction, a reinforced bezel, and a scratch-resistant lens, it’s made to thrive in extreme environments. With 10 ATM water resistance and testing to MIL-STD-810 standards, it handles shock, heat, and pressure like a pro.

  • Metal-reinforced bezel for added strength
  • Scratch-resistant lens for long-lasting clarity
  • Water-rated to 100 meters for confidence in the pool or ocean
  • Tested to military standards for durability and performance
  • Designed to endure impact, thermal stress, and rugged terrain

Superior GPS Accuracy With SatIQ™ Technology

Stay on course wherever your adventures take you. Instinct 3 uses multi-band GPS with SatIQ™ technology to deliver pinpoint positioning without draining your battery. Whether you’re navigating city streets, forest trails, or mountain passes, you’ll have the accuracy you need when it matters most.

  • Multi-band GPS for reliable coverage in challenging environments
  • SatIQ™ optimizes positioning and power usage automatically
  • Built-in 3-axis compass and barometric altimeter for extra navigation tools
  • Ideal for hikers, climbers, and outdoor explorers
  • Keeps you on track in places where phone signals fail

24/7 Health and Wellness Monitoring

Your adventure doesn’t stop when the trail ends, and neither does Instinct 3. This smartwatch tracks your heart rate, sleep quality, stress levels, and oxygen saturation, keeping you in tune with your body around the clock. It’s the perfect balance of rugged durability and everyday wellness.

  • Continuous wrist-based heart rate tracking
  • Advanced sleep monitoring with detailed insights
  • Pulse Ox sensor for blood oxygen saturation levels (not available in all countries)
  • Stress tracking and recovery data to manage workload
  • Data designed to keep you connected to your health, day and night

Long Battery Life With Solar and AMOLED Options

Pick the model that matches your lifestyle. The AMOLED versions deliver up to 18 days (45 mm) or 24 days (50 mm) of battery life in smartwatch mode with bright, colorful displays. The Solar editions offer unlimited power in smartwatch mode with solar charging, perfect for long days outdoors.

  • AMOLED displays for stunning clarity and vibrant colors
  • Solar editions with unlimited battery in smartwatch mode
  • Long-lasting performance designed for extended adventures
  • Built-in flashlight for safety and convenience after dark
  • Choose the size and power option that fits your journey best

Garmin Instinct 3 Supernova FAQs

Does military use Garmin Instinct 3 watches?

While specific watch preferences vary by individual and branch, many in the military favor Garmin's tactix watches due to their rugged build, military-grade durability, and tactical features like night vision compatibility, stealth mode, and advanced GPS capabilities.

Should I wear my Garmin Instinct 3 to bed?

If you want to take full advantage of Garmin's health and fitness tracking ecosystem, sleeping with this watch is a must. Sleep quality, heart rate, respiration rate and HRV during sleep are all part of calculating Body Battery, Training Readiness, Training Status and other metrics.

Can I answer calls on my Garmin Instinct 3?

When you receive a phone call on your connected phone, the Instinct 3 smartwatch displays the name or phone number of the caller. To accept the call, select Accept. NOTE: To talk to the caller, you must use your connected phone. The Instinct 3 does not have a speaker and mic for talking through it.

Does the Garmin Instinct 3 track distance?

Yes. The odometer automatically records the total distance traveled, elevation gained, and time in activities.

Can a Garmin watch detect sleep apnea?

The Garmin Instinct 3 measures heart rate, blood oxygen level, and sleep stage, which can help detect signs of a sleep disorder.

Is it OK to shower with Garmin Instinct 3?

Yes. The Instinct 3 is water-rated 10ATM, which means it can withstand pressures equivalent to a depth of 100 meters and splashes, rain or snow, showering, swimming, diving into water, snorkeling, high-speed water sports.

Can you text on Garmin Instinct 3?

When you receive a text message notification on your watch, you can send a quick reply by selecting from a list of messages. You can customize messages in the Garmin Connect app. NOTE: This feature sends text messages using your phone. Regular text message limits and charges from your carrier and phone plan may apply.

Does the Garmin Instinct 3 track stress?

The stress level widget displays your current stress level and a graph of your stress level for the last several hours. It can also guide you through a breathing activity to help you relax.

Additional Information on Garmin Instinct 3 Supernova Rugged GPS Smartwatch

Specs

  • Strap Material: Silicone
  • Lens Material: Chemically Strengthened Glass
  • Bezel Material: Fiber-Reinforced Polymer/Aluminum
  • Case Material: Fiber-Reinforced Polymer
  • QuickFit Watch Band Compatible: Yes (26 mm)
  • 45mm Physical Size: 45 x 45 x 14.9 mm; Fits wrists with a circumference of 137-204 mm
  • 50mm Physical Size: 50 x 50 x 14.4 mm; Fits wrists with a circumference of 141-213 mm
  • Weight: 53 g (45mm); 59 g (50mm)
  • 45mm Display Size: 1.2" (30 mm) diameter
  • 50mm Display Size: 1.3" (33 mm) diameter
  • 45mm Display Resolution: 390 x 390 pixels
  • 50mm Display Resolution: 416 x 416 pixels
  • Color Display: Yes
  • Large Font Option: Yes
  • AMOLED Battery Life (Smartwatch): Up to 24 days (9 days always-on)
  • Solar Battery Life (Smartwatch): Up to 28 days/Unlimited with solar*
  • Charging Method: Garmin Proprietary Plug Charger
  • Memory/History: 4 GB