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Garmin Instinct 3 – 45 mm AMOLED Watch

|145 ratings
Item # 990458015
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Smart summary

Generated by AI
  • Rugged AMOLED Design: Features a 45 mm AMOLED display, bolted construction, metal-reinforced bezel, and scratch-resistant lens, engineered to MIL-STD-810 standards and 10 ATM water rating.
  • Precise Navigation: Equipped with a 3-axis compass, barometric altimeter, and multi-band GPS with SatIQ technology for superior positioning accuracy and optimized battery life.
  • Extended Battery: Offers up to 18 days of battery life in smartwatch mode, ensuring dependable performance for prolonged activities.
  • Comprehensive Health: Provides 24/7 health and wellness tracking, including heart rate, advanced sleep patterns, and Pulse Ox levels.
  • Contactless Payments: Enables convenient GarminPay contactless transactions, compatible with supported banks.
  • Integrated Flashlight: Includes a built-in LED flashlight with variable intensities and strobe modes for enhanced outdoor visibility.
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4.5455 out of 5 stars
4.5455 out of 5 Stars. 11 reviews
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garmin instinct 3 – 45 mm amoled watch centered 3/4 profile view of a rugged 45-mm black smartwatch with bolted metal-reinforced bezel, scratch-resistant lens and textured black silicone strap; AMOLED screen shows lime-green digital time, activity and health tiles, battery and date; visible side buttons and integrated lugs on white background; highlights GPS navigation with multi-band SatIQ™ and health tracking.
Garmin Instinct 3 – 45 mm AMOLED Watch
Hero image 0 of Garmin Instinct 3 – 45 mm AMOLED Watch, 0 of 6

About this item

Product details

Rugged Design for Tough Adventures

The Instinct® 3 GPS smartwatch is built to withstand the harshest conditions. Featuring bolted construction, a metal-reinforced bezel, and a scratch-resistant lens, this 45 mm watch is engineered to MIL-STD-810 standards for thermal and shock resistance. With a 10 ATM water rating, it’s ready to accompany you on any adventure, whether on land or underwater.

Advanced GPS and Navigation Features

Stay on track with the Instinct® 3’s built-in 3-axis compass and barometric altimeter. Its multi-band GPS with SatIQ™ technology ensures superior positioning accuracy while optimizing battery life. Whether hiking, climbing, or exploring remote areas, this smartwatch provides reliable navigation to keep you moving in the right direction.

Long-Lasting Battery Life

Enjoy up to 18 days of battery life in smartwatch mode, allowing you to focus on your activities without worrying about frequent recharging. The Instinct® 3 is designed to keep up with your lifestyle, offering dependable performance for extended adventures.

Health and Wellness Tracking

Monitor your body’s metrics with the Instinct® 3’s 24/7 health and wellness features. Track heart rate, advanced sleep patterns, and Pulse Ox levels (Pulse Ox not available in all countries). Please note that this is not a medical device, and the data provided is intended to be a close estimation of tracked metrics.

Convenient Contactless Payments

Make transactions effortlessly with Garmin Pay™ contactless payments, compatible with supported banks. This feature adds convenience to your daily routine, allowing you to leave your wallet behind while staying connected on the go.

Enjoy complimentary Apple Service Trials with this purchase

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Warnings and disclaimers

Ingestion Hazard

This product contains a battery. Death or serious injury can occur if ingested. A swallowed battery can cause Internal Chemical Burn in as little as 2 hours. Keep new and used batteries OUT OF REACH OF CHILDREN. Seek Immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.

Member ratings & reviews

4.5 out of 5 stars
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  1. 5 stars77% (112)
  2. 4 stars8% (12)
  3. 3 stars6% (8)
  4. 2 stars2% (3)
  5. 1 star7% (10)
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Showing 1-3 of 145 reviews

Jul 5, 2026
Reviewer name: anonymous
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I got this after hearing so many people recommend it. The battery life is insane, and I am blown away by the accuracy and strength. The flashlight is even better than the on eon my phone. I love the simplicity if it, and it is amazingly easy to see, even in direct sunlight. I absolutely recommend this watch to amybody consdidering it.

Review from walmart.com
Helpful?6LZPV3OE4M4J17416615724
Aug 20, 2026
Reviewer name: glennsal
5 out of 5 stars
5 out of 5 stars review

Very good value

I love the detailed colors this watch can produce. When i learned it had a light on it, I actually laughed and said how dumb... ITS AWESOME.. I use it so much I can not believe it. The connectivity to Garmin Connect for my events is very nice. I had a Fenix 5 that finally would not connect to charge.. it was 12-14 years old and I loved it very much. Battery life is also amazing. Thank you !

Review from Garmin
Helpful?6LZPV3OE4M4J17416615724
Aug 26, 2026
Reviewer name: Trail-Tracking
5 out of 5 stars
5 out of 5 stars review

AMOLED for the Instinct series

I am not a runner or cyclist. I primarily do hiking, walking, strength training and cardio HIIT. However, I do occasionally enjoy a scenic bike ride or a lite jog. This why I like the Instinct series; I get all the health and fitness data I want and need in a rugged case. So purchasing the Instinct 3 was a nice upgrade from the Instinct 2. I still use the Instinct 2 on outdoor sunny days and the Instinct 3 for all other activities. The Instinct series is my go-to watch for tracking health & fitness from now on.

Review from Garmin
Helpful?6LZPV3OE4M4J17416615724

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