Garmin Instinct 3 Tactical Edition 45 mm

Sleep score and insights
Battery life (smartwatch mode) Up to 28 days/unlimited with solar
Pulse Ox blood oxygen
LED flashlight
Garmin Pay™
Multi-band GPS
Training readiness
Training status
Display type Monochrome, sunlight-visible, transflective memory-in-pixel (MIP)
Solar Charging
Water rating 10 ATM

Strap material
silicone

Lens material
Power Glass™

Bezel material
fiber-reinforced polymer/aluminum

Case material
fiber-reinforced polymer

QuickFit™ watch band compatible
yes (22 mm)

Physical size
45 x 45 x 14.9 mm
Fits wrists with a circumference of 137-204 mm

Weight
52 g

Display Size
Custom, two-window design: 0.9” x 0.9” (23 x 23 mm)

Display Resolution
176 x 176 pixels

Battery type
Lithium ion

Battery life
Smartwatch: Up to 28 days/Unlimited with solar*
Battery Saver Watch Mode: Up to 65 days/Unlimited with solar*
GPS Only: Up to 40 hours/130 hours with solar**
All Satellite Systems: Up to 28 hours/50 hours with solar**
All Satellite Systems + Multi-Band: Up to 24 hours/40 hours with solar***
Max Battery GPS: Up to 100 hours/Unlimited with solar**
Expedition GPS: Up to 36 days/Unlimited with solar*

*Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions
**Solar charging, assuming use in 50,000 lux conditions
***Solar charging, assuming use in 50,000 lux conditions; assuming typical use with SatIQ technology

Charging method
Garmin proprietary plug charger

Memory/history
128 MB

Time/date
GPS Time Sync
Automatic daylight saving time
Alarm clock
Timer
Stopwatch
Sunrise/sunset times

Wrist-based heart rate (constant, every second)
Resting heart rate
Abnormal heart rate alerts yes (high and low)
Respiration rate
Fitness age
Body Battery™ energy monitor
All-day stress
Relaxation reminders
Relaxation breathing timer
Breathwork
Sleep yes (advanced)
Sleep coach
Breathing variations
Nap detection
Hydration yes (in Garmin Connect™ and optional Connect IQ™ widget)
Women’s health yes (in Garmin Connect™ and optional Connect IQ™ widget)
Health snapshot

GPS
GLONASS
Galileo
SatIQ™ Technology
Garmin Elevate™ wrist heart rate monitor
Pulse Ox Blood Oxygen Saturation Monitor
Barometric altimeter
Compass
Gyroscope
Accelerometer
Thermometer

Connectivity Bluetooth®, ANT+®
Connect IQ™ (downloadable watch faces, data fields and apps)
On-device Connect IQ™ Store
Smart Notifications
Text response/reject phone call with text (Android™ only)
Morning report
Calendar
Weather forecasts
Realtime settings sync with Garmin Connect™ mobile
Battery saver (customizable low power watch)
Controls smartphone music
Find My Phone
Find My Watch
Compatible with Garmin Messenger app
VIRB® Remote
Smart trainer control
Pairs with Garmin Connect™ Mobile
Smartphone compatibility iPhone®, Android™
Garmin Share
Passcode

Daily Suggested Workout – Running (Pace and Heart Rate Based)
Daily Suggested Workout – Cycling (Pace and Heart Rate Based)
Garmin Running Coach Experts
Garmin Coach – Prebuilt Cycling Plans
Cardio workouts
Strength workouts
HIIT workouts
Yoga workouts
Pilates workouts

Gym
Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing

Multisport
Triathlon

WELLNESS
Walking, Indoor Walking, Pilates, Yoga

INDOOR RUNNING
Treadmill Running, Indoor Track Running, Virtual Running

Outdoor running
Running, Outdoor Track Running, Trail Running, Obstacle Racing

Outdoor recreation
Hiking, Rucking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery

Cycling
Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX

Swim
Pool Swimming, Open Water Swimming

On the water
Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Water Skiing, Snorkeling, Wakeboarding, Wakesurfing, Tubing, Whitewater

Motor sports
Motorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling

Racket sports
Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball

Snow & Winter
Skiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, XC Skate Skiing, Backcountry Skiing, Ice Skating, Snowshoeing

Sport profiles
Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball

In the ring
Boxing, Mixed martial arts

Other activity profiles
Jumpmaster, Tactical, Inline Skating

Incident Detection during select activities
Incident detection alert on phone for wearables
Assistance
Live Event Sharing

Ballistics solver yes (unlock required)
Dual grid coordinates
Kill switch
Night vision mode
Stage timer
Stealth Mode

Gaming Activity
GameOn™ app compatible

Step counter
Move alerts (displays on device after a period of inactivity)
Auto goal (learns your activity level and assigns a daily step goal)
Calories burned
Floors climbed
Distance traveled
Intensity minutes
TrueUp™
Move IQ™
Garmin Connect™ Challenges app yes (optional Connect IQ app)
Automatic rep counting