Garmin · 2025
Instinct® E – 45 mmSize, Dimensions & Wrist Fit
Case Width
45mm
Thickness
14.2mm
Diameter
45mm
Weight
48g
The Garmin Instinct® E – 45 mm sits best on flat wrist widths of about 47–64mm (≈ 12.6–17.1cm wrist circumference). Adjust the slider below to check your wrist.
Does the Instinct® E – 45 mm fit your wrist?
Drag the slider to your wrist width and see the Instinct® E – 45 mm overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
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Garmin Instinct® E – 45 mm Full Specifications
Overview1
FamilyGarmin
General11
Battery life
Smartwatch: Up to 16 days
Battery Saver Watch Mode: Up to 40 days
GPS: Up to 24 hours
All Satellite Systems:16 hours
Max Battery GPS Mode: Up to 50 hours
Expedition GPS Activity: Up to 20 days
Battery typeLithium ion
Display Size
custom, two-window design; 0.9” x 0.9” (23 x 23 mm)
Case materialfiber-reinforced polymer
Lens MaterialChemically Strengthened Glass
Bezel Materialfiber-reinforced polymer
Memory/History128 MB
Strap materialsilicone
Charging methodGarmin proprietary plug charger
Display resolution176 x 176 pixels
QuickFit® watch band compatibleyes (22 mm)
Sensors9
GPSYes
CompassYes
GLONASSYes
GalileoYes
ThermometerYes
AccelerometerYes
Barometric altimeterYes
Pulse Ox Blood Oxygen Saturation MonitorYes
Garmin Elevate™ wrist heart rate monitorYes
Product Info5
Main SKU010-02933-00
Product ID1315817
Product NameInstinct® E – 45 mm
Release Date1/6/2025
Product VariationBlack with Charcoal Band
Clock Features7
TimerYes
StopwatchYes
Time/dateYes
Alarm clockYes
GPS Time SyncYes
Sunrise/sunset timesYes
Automatic daylight saving timeYes
Cycling Features5
CoursesYes
Race an activityYes
Compatible with Varia™ lightsYes
Speed and cadence sensor support (w/sensor)Yes
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)Yes
Running Features11
Run workoutsYes
Race predictorYes
Foot pod capableYes
Running dynamicsYes
Trail run auto climbYes
Run/Walk/Stand detectionYes
Stride length (real time)Yes
Vertical oscillation and ratioYes
Ground contact time and balanceyes (but not balance)
GPS-based distance, time and paceYes
Cadence (provides real-time number of steps per minute)Yes
What You'll Love5
Display type
Monochrome, sunlight-visible, transflective memory-in-pixel (MIP)
Water rating10 ATM
Pulse Ox blood oxygenYes
Sleep score and insightsYes
Battery life (smartwatch mode)Up to 16 days
Activity Profiles12
Gym
Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing
SwimPool Swimming, Open Water Swimming
Cycling
Biking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX
WellnessWalking, Pilates, Yoga
Team sports
Basketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball
On the Water
Stand Up Paddleboarding, Rowing, Kayaking, Fishing, Boating, Whitewater
Racket sports
Tennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball
Snow & winter
Skiing, Snowboarding, XC Classic Skiing, XC Skate Skiing, Ice Skating, Snowshoeing
Indoor running
Treadmill Running, Indoor Track Running, Virtual Running
Outdoor runningRunning, Outdoor Track Running, Trail Running
Outdoor recreation
Hiking, Climbing, Hunting, Horseback Riding, Archery
Other activity profilesTactical
Swimming Features11
Pool swim workoutsYes
Time and distance alertsYes
Auto rest (pool swim only)Yes
Drill logging (pool swim only)Yes
Countdown start (pool swim only)Yes
Underwater wrist-based heart rateYes
"Repeat on" rest timer (pool swim only)Yes
Basic rest timer (up from 0) (pool swim only)Yes
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)Yes
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)Yes
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)Yes
Tactical Features2
XERO™ LocationsYes
Dual grid coordinatesYes
Outdoor Recreation20
TidesYes
TracBack®Yes
Sight 'N GoYes
Tide glanceYes
Back to startYes
UltraTrac modeYes
Vertical speedYes
GPS coordinatesYes
Reference pointYes
Area calculationYes
Elevation profileYes
Projected waypointYes
Total ascent/descentYes
Future elevation plotYes
Distance to destinationYes
Expedition GPS ActivityYes
Sun and moon informationYes
Point-to-point navigationYes
Bread crumb trail in real timeYes
Barometric trend indicator with Storm AlertYes
Daily Smart Features18
CalendarYes
PasscodeYes
ConnectivityBluetooth®, ANT+®
Garmin ShareYes
Find My PhoneYes
Find My WatchYes
VIRB® RemoteYes
Morning reportYes
Weather forecastsYes
Smart NotificationsYes
Smartphone compatibilityiPhone®, Android™
Controls smartphone musicYes
On-device Connect IQ™ StoreYes
Pairs with Garmin Connect™ MobileYes
Battery saver (customizable low power watch)Yes
Realtime settings sync with Garmin Connect™ mobileYes
Text response/reject phone call with text (Android™ only)Yes
Connect IQ™ (downloadable watch faces, data fields and apps)Yes
Activity Tracking Features11
TrueUp™Yes
Move IQ™Yes
Step counterYes
Floors climbedYes
Calories burnedYes
Distance traveledYes
Intensity minutesYes
Automatic rep countingYes
Garmin Connect™ Challenges appyes (optional Connect IQ app)
Move alerts (displays on device after a period of inactivity)Yes
Auto goal (learns your activity level and assigns a daily step goal)Yes
Workout and Training Plans9
HIIT workoutsYes
Yoga workoutsYes
Cardio workoutsYes
Pilates workoutsYes
Strength workoutsYes
Garmin Running Coach ExpertsYes
Garmin Coach - Prebuilt Cycling PlansYes
Daily Suggested Workout - Cycling (Pace and Heart Rate Based)Yes
Daily Suggested Workout - Running (Pace and Heart Rate Based)Yes
Health & Wellness Monitoring16
Sleepyes (advanced)
Hydration
yes (in Garmin Connect™ and optional Connect IQ™ widget)
BreathworkYes
Fitness ageYes
Nap detectionYes
All-day stressYes
Women's health
yes (in Garmin Connect™ and optional Connect IQ™ widget)
Health snapshotYes
Respiration rateYes
Resting heart rateYes
Breathing variationsYes
Relaxation remindersYes
Abnormal heart rate alertsyes (high and low)
Relaxation breathing timerYes
Body Battery™ energy monitorYes
Wrist-based heart rate (constant, every second)Yes
Safety and Tracking Features4
AssistanceYes
Live Event SharingYes
Incident Detection during select activitiesYes
Incident detection alert on phone for wearablesYes
Kid Activity Tracking Features1
Toe-to-Toe™ Challenges app
yes (optional Connect IQ Toe-to-Toe™ Challenges app)
Training, Planning and Analysis Features41
% HRRYes
% HR maxYes
HR zonesYes
HR alertsYes
ShortcutsYes
HRV statusYes
Manual lapYes
Rest timerYes
Auto max HRYes
Auto scrollYes
Finish timeYes
HR caloriesYes
Voice alertsYes
Custom alertsYes
Physio TrueUpYes
Recovery timeYes
VO2 Max (Run)Yes
Course guidanceYes
Training effectYes
Virtual PartnerYes
Workout benefitYes
Race an ActivityYes
Advanced workoutsYes
Interval trainingYes
VO2 Max (Trail Run)Yes
GPS speed and distanceYes
Configurable lap alertsYes
Customizable data pagesYes
Touch and/or button lockYes
Activity history on watchYes
Downloadable training plansYes
Training effect (anaerobic)Yes
HRM running pace and distanceYes
Heat and altitude acclimationYes
Customizable activity profilesYes
Auto Pause® automatic timer haltYes
Respiration rate (during exercise)Yoga and Breathwork only
Auto Lap® interval tracking featureYes
Primary benefit (Training Effect labels)Yes
Power Modes - customizable in-activity battery settingsYes
HR broadcast (broadcasts HR data over ANT+® to paired devices)Yes
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Instinct® E – 45 mm — Frequently Asked Questions
What size is the Garmin Instinct® E – 45 mm?
The Garmin Instinct® E – 45 mm has a 45mm case and is 14.2mm thick.
Will the Garmin Instinct® E – 45 mm fit my wrist?
The Garmin Instinct® E – 45 mm looks balanced on flat wrist widths of roughly 47–64mm (about 12.6–17.1cm circumference). Use the interactive fit tool above to check against your own wrist.
How much does the Garmin Instinct® E – 45 mm weigh?
The Garmin Instinct® E – 45 mm weighs 48g (case only; straps add weight).
What is the best way to compare the Garmin Instinct® E – 45 mm with other watches?
Use our side-by-side comparison tool to see the Garmin Instinct® E – 45 mm next to any other watch — case size, thickness, lug-to-lug and full specs, scaled to real proportions.