Overview

The Garmin Instinct 3 is a rugged outdoor GPS smartwatch available in AMOLED and solar-powered display variants, in 45mm and 50mm sizes. Built to MIL-STD-810 standards with 10 ATM water resistance, it features multi-band GPS with SatIQ, comprehensive health and fitness tracking, a built-in flashlight, and industry-leading battery life.

Key Features

  • Multi-band GNSS with SatIQ technology
  • Choice of AMOLED or solar-charged MIP display in 45mm and 50mm
  • MIL-STD-810 durability with 10 ATM water resistance
  • Up to unlimited battery life with solar charging
  • Built-in LED flashlight with variable intensity
  • Comprehensive health suite: HR, Pulse Ox, HRV, Sleep Coach, Body Battery
  • Garmin Pay contactless payments
  • Training Readiness, Training Load, and recovery metrics

Description

The Garmin Instinct 3 continues the Instinct line tradition of rugged, adventure-ready GPS watches while introducing a new AMOLED display option alongside the proven solar-charging MIP variants. Available in four configurations spanning $399.99 to $499.99, the Instinct 3 targets outdoor athletes who prioritize durability, battery endurance, and reliable GPS tracking.

Specifications

Battery

Smartwatch - AMOLED 45mm Up to 18 days (gesture) / 7 days (AOD)
Smartwatch - AMOLED 50mm Up to 24 days (gesture) / 9 days (AOD)
Smartwatch - Solar 50mm Up to 40 days / Unlimited with solar
GPS Only - AMOLED 45mm 32 hours
GPS Only - Solar 50mm 60 / 260 with solar hours

Connectivity

GPS Multi-band GNSS with SatIQ
Bluetooth Yes
ANT+ Yes
NFC (Garmin Pay) Yes
Wi-Fi No

Display

Display Type (AMOLED) AMOLED
Display Type (Solar) MIP with solar charging
Display Size (45mm AMOLED) 1.2 inches
Display Size (50mm AMOLED) 1.3 inches
Resolution (AMOLED 45mm) 390 x 390 px
Resolution (AMOLED 50mm) 416 x 416 px
Touchscreen No

Physical

Case Material Fiber-reinforced polymer with metal-reinforced bezel
Band Material Silicone
Weight (45mm) 53 g
Weight (50mm) 59 g
Water Resistance 10 ATM (100m)
Durability Standard MIL-STD-810

Sensors

Heart Rate Garmin Elevate Gen 4 (optical)
Pulse Ox Yes (SpO2)
Barometric Altimeter Yes
Compass 3-axis
Thermometer Yes

Software

Flashlight Yes (variable intensity, red, strobe)
Music Storage No
Offline Maps No