WatchFitTool

Garmin Instinct 3 45mm Solar vs Google Pixel Watch 3 41mm

Size, specs & wrist fit compared

Garmin Instinct® 3 – 45 mm, Solar010-02934-00
Garmin Instinct® 3 – 45 mm, Solar
Google Pixel Watch 3 41mm
Google Pixel Watch 3 41mm

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Which one fits you

On wrists narrower than about 47mm, the Google Pixel Watch 3 41mm is the safer pick — it stays proportionate down to roughly 43mm, where the Garmin Instinct 3 45mm Solar starts to hang over the edge. Above 47mm both sit cleanly, and the Garmin Instinct 3 45mm Solar gives you more presence.

The Garmin Instinct 3 45mm Solar wears larger than the Google Pixel Watch 3 41mm (45mm vs 41mm case), giving it more wrist presence — and needing a wider wrist to sit cleanly.

The Google Pixel Watch 3 41mm is the slimmer of the two (12.3mm vs 14.9mm), so it slides under a cuff more easily.

On the wrist the Google Pixel Watch 3 41mm feels lighter (31g vs 52g, case only).

Among the 385 45mm watches we hold thickness for, the Garmin Instinct 3 45mm Solar is thicker than 84% — it will sit high even though the case width reads modest.

The Google Pixel Watch 3 41mm is middle-of-the-pack for thickness among the 375 41mm watches in the database.

The Garmin Instinct 3 45mm Solar is 4mm wider, 4mm longer, 2.6mm thicker and 21g heavier than the Google Pixel Watch 3 41mm. Both are circular.

Garmin

Instinct® 3 – 45 mm, Solar

Google

Pixel Watch 3 41mm

Case width
45mm
41mm−4mm
Lug-to-lug
45mm
41mm−4mm
Thickness
14.9mm
12.3mm−2.6mm
Weight
52g
31g−21g

Switch or add watches

Garmin Instinct® 3 – 45 mm, Solar

Garmin

Instinct® 3 – 45 mm, Solar

Google Pixel Watch 3 41mm

Google

Pixel Watch 3 41mm

Fit tool

Watch Fit Tool

For sports watches, lug-to-lug (L2L) is what matters most — it decides whether a watch overhangs your wrist. Bulky is fine; overhang is not.

Your wrist
mm
≈ 146.9mm around

Garmin Instinct® 3 – 45 mm, Solar

Case 45.0mm · Lug-to-lug 45.0mm · Thickness 14.9mm · 52g

Balanced Fit

45mm on a 55mm wrist

10:09TUE 12lug to lug 45.0mmyour wrist 55.0mm

Across the wrist it works — 5.0mm spare each side — but a tall watch on this wrist. Fine over a sleeve, awkward under one.

On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 45mm, so you could go bigger.

How to Measure

Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.

  1. 1. Flat width — arm flat on a table, palm up. Measure straight across the top of the wrist, bone to bone, ignoring the curve down the sides.
  2. 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Complete Wrist Measurement Guide →
Against one you know

Leather: Attaches at the lugs, so the case back rests on your skin. Thins and softens with wear. Typical figures, not this model’s own.

Show the measurements
  • Across the wrist5.0mm spare each side

    Comfortable, with visible skin either side.

  • Off the wrist14.9mm off the skin

    A tall watch on this wrist. Fine over a sleeve, awkward under one. (14.9mm case, back against the skin)

  • How it seats~5.2mm under the rim

    Seats well, with the case back following most of the wrist.

  • Weight on the wrist52g

    Light enough to forget you have it on. (0.9g per mm of wrist)

Google Pixel Watch 3 41mm

Case 41.0mm · Lug-to-lug 41.0mm · Thickness 12.3mm · 31g

Balanced Fit

41mm on a 55mm wrist

10:09TUE 12lug to lug 41.0mmyour wrist 55.0mm

Comfortably inside the edges of your wrist, and it seats and sits low enough to wear without thinking about it.

On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 41mm, so you could go bigger.

How to Measure

Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.

  1. 1. Flat width — arm flat on a table, palm up. Measure straight across the top of the wrist, bone to bone, ignoring the curve down the sides.
  2. 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Complete Wrist Measurement Guide →
Against one you know

Leather: Attaches at the lugs, so the case back rests on your skin. Thins and softens with wear. Typical figures, not this model’s own.

Show the measurements
  • Across the wrist7.0mm spare each side

    Comfortable, with visible skin either side.

  • Off the wrist12.3mm off the skin

    Normal sports-watch height for a wrist this size. (12.3mm case, back against the skin)

  • How it seats~3.7mm under the rim

    Seats well, with the case back following most of the wrist.

  • Weight on the wrist31g

    Light enough to forget you have it on. (0.6g per mm of wrist)

2D Dimension Schematics

Every case drawn to scale on a shared centre — from above, and in profile against the wrist.

Highlight
From above — same centre, true scale
From the side — how far each sits off the wrist
  • Garmin Instinct® 3 – 45 mm, Solar45mm · 14.9mm thick
  • Google Pixel Watch 3 41mm41mm · 12.3mm thick

3D preview

Garmin Instinct® 3 – 45 mm, Solar vs Google Pixel Watch 3 41mm on a wrist

Sized to your own wrist, turned any way you like.

Open 3D try-on

Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.

Battery life compared

Furthest apart in Battery Saver mode, where the Garmin Instinct 3 45mm Solar lasts 43.3× as long as the Google Pixel Watch 3 41mm (65 days against 36 hours).

Garmin Instinct 3 45mm SolarGoogle Pixel Watch 3 41mm

  • Battery Saver

    65 days
    36 hours
  • Expedition GPS

    36 days
    —
  • Smartwatch

    28 days
    1 day
  • Max Battery GPS

    100 hours
    —
  • GPS Only

    40 hours +130 hours
    —
  • All Satellite Systems

    28 hours +50 hours
    —
  • All Satellite Systems + Multi-Band

    24 hours +40 hours
    —

Amber figures are the solar-assisted runtime the manufacturer publishes for that mode.

Specifications

The short version

6 key specs
SpecGarminInstinct® 3 – 45 mm, SolarGooglePixel Watch 3 41mm
Case Width45mm41mm
Thickness14.9mm12.3mm
Weight52g31g
ShapeCircularCircular
Display typeMonochrome, sunlight-visible, transflective memory-in-pixel (MIP)OLED/AMOLED
Released20252023

Every specification

362 specs
SpecGarmin Instinct® 3 – 45 mm, SolarGoogle Pixel Watch 3 41mm
Overview
FamilyGarmin—
General
Battery lifeSmartwatch: 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—
Battery typeLithium ion—
Display Sizecustom, two-window design; 0.9” x 0.9” (23 x 23 mm)—
Case materialfiber-reinforced polymer—
Lens MaterialPower Glass™—
Bezel Materialfiber-reinforced polymer/aluminum—
Memory/History128 MB—
Strap materialsilicone—
Charging methodGarmin proprietary plug charger—
Display resolution176 x 176 pixels—
QuickFit® watch band compatibleyes (22 mm)—
Sensors
GPSYes—
CompassYes—
GLONASSYes—
GalileoYes—
GyroscopeYes—
ThermometerYes—
AccelerometerYes—
SatIQ™ TechnologyYes—
Barometric altimeterYes—
Pulse Ox Blood Oxygen Saturation MonitorYes—
Garmin Elevate™ wrist heart rate monitorYes—
has GPS—Yes
has a compass—Yes
Has a barometer—Yes
has a gyroscope—Yes
Has a cadence sensor—Yes
has an accelerometer—Yes
Monitors perspiration—No
Has a heart rate monitor—Yes
Has a temperature sensor—Yes
Monitors blood oxygenation levels—Yes
Product Info
Main SKU010-02934-00—
Product ID1315317—
Product NameInstinct® 3 – 45 mm, Solar—
Release Date1/6/2025—
Product VariationBlack with Black Band—
Clock Features
TimerYes—
StopwatchYes—
Time/dateYes—
Alarm clockYes—
GPS Time SyncYes—
Sunrise/sunset timesYes—
Automatic daylight saving timeYes—
Gaming Features
Gaming ActivityYes—
GameOn™ app compatibleYes—
Cycling Features
CoursesYes—
MTB Grit & FlowYes—
Race an activityYes—
Power meter compatibleYes—
Advanced cycling dynamicsYes—
Compatible with Varia™ lightsYes—
FTP (Functional Threshold Power)Yes—
Speed and cadence sensor support (w/sensor)Yes—
Bike lap and lap maximum power (with power sensor)Yes—
Compatible with Varia™ radar (rear-facing radar)Yes—
Compatible with Vector™ and Rally™ (power meters)Yes—
Compatible with Varia Vision™ (head-mounted display)Yes—
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)Yes—
Golfing Features
Tournament legalYes—
Digital scorecardYes—
Garmin AutoShot™Yes—
Round timer/odometerYes—
Auto CourseView updatesYes—
Yardage to layups/doglegsYes—
Hazards and course targetsYes—
Pairs with Garmin Golf appYes—
Green View with manual pin positionYes—
CT10 Automatic club tracking compatible (requires accessory)Yes—
Yardage to F/M/B (distance to front, middle and back of green)Yes—
Stat tracking (strokes, putts per round, greens and fairways hit)Yes—
Measures shot distance (calculates exact yardage for shots from anywhere on course)manual—
Running Features
Run workoutsYes—
Running powerYes—
Race predictorYes—
Foot pod capableYes—
Running dynamicsYes—
Lactate thresholdyes (with compatible accessory)—
Grade-adjusted paceYes—
Trail run auto climbYes—
Performance conditionYes—
Run/Walk/Stand detectionYes—
Stride length (real time)Yes—
PacePro™ Pacing StrategiesYes—
Vertical oscillation and ratioYes—
Ground contact time and balanceyes (GCT balance with accessory)—
GPS-based distance, time and paceYes—
Cadence (provides real-time number of steps per minute)Yes—
What You'll Love
Display typeMonochrome, sunlight-visible, transflective memory-in-pixel (MIP)—
Water rating10 ATM—
Garmin Pay™Yes—
LED flashlightYes—
Multi-band GPSYes—
Solar ChargingYes—
Training statusYes—
Training readinessYes—
Pulse Ox blood oxygenYes—
Sleep score and insightsYes—
Battery life (smartwatch mode)Up to 28 daysUnlimited with solar—
Activity Profiles
GymStrength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing—
SwimPool Swimming, Open Water Swimming—
CyclingBiking, Road Biking, Mountain Biking, Gravel Biking, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking, Cyclocross, BMX—
WellnessWalking, Indoor Walking, Pilates, Yoga—
MultisportTriathlon—
In the ringBoxing, Mixed Martial Arts—
Team sportsBasketball, Volleyball, Field Hockey, Ice Hockey, Football/Soccer, American Football, Lacrosse, Rugby, Ultimate Disc, Cricket, Softball, Baseball—
Motor sportsMotorcycling, Overlanding, Motocrossing, ATVing, Snowmobiling—
On the WaterStand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Water Skiing, Snorkeling, Wakeboarding, Wakesurfing, Tubing, Whitewater—
Racket sportsTennis, Pickleball, Badminton, Squash, Table Tennis, Padel, Platform Tennis, Racquetball—
Snow & winterSkiing, Snowboarding, Backcountry Snowboarding, XC Classic Skiing, XC Skate Skiing, Backcountry Skiing, Ice Skating, Snowshoeing—
Indoor runningTreadmill Running, Indoor Track Running, Virtual Running—
Outdoor runningRunning, Outdoor Track Running, Trail Running, Obstacle Racing—
Outdoor recreationHiking, Rucking, Indoor Climbing, Bouldering, Climbing, Hunting, Horseback Riding, Golfing, Disc Golf, Archery—
Other activity profilesTactical, Inline Skating—
Swimming Features
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—
Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim)Yes—
Tactical Features
XERO™ LocationsYes—
Dual grid coordinatesYes—
Outdoor Recreation
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 Features
CalendarYes—
PasscodeYes—
ConnectivityBluetooth®, ANT+®—
Garmin ShareYes—
Find My PhoneYes—
Find My WatchYes—
VIRB® RemoteYes—
Morning reportYes—
Weather forecastsYes—
Smart NotificationsYes—
Smart trainer controlYes—
Smartphone compatibilityiPhone®, Android™—
Controls smartphone musicYes—
On-device Connect IQ™ StoreYes—
Pairs with Garmin Connect™ MobileYes—
Compatible with Garmin Messenger appYes—
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 Features
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 Plans
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 Monitoring
Sleepyes (advanced)—
Hydrationyes (in Garmin Connect™ and optional Connect IQ™ widget)—
BreathworkYes—
Fitness ageYes—
Sleep coachYes—
Nap detectionYes—
All-day stressYes—
Women's healthyes (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 Features
AssistanceYes—
Live Event SharingYes—
Incident Detection during select activitiesYes—
Incident detection alert on phone for wearablesYes—
Kid Activity Tracking Features
Toe-to-Toe™ Challenges appyes (optional Connect IQ Toe-to-Toe™ Challenges app)—
Training, Planning and Analysis Features
% HRRYes—
% HR maxYes—
HR zonesYes—
HR alertsYes—
ShortcutsYes—
HRV statusYes—
Load ratioYes—
Manual lapYes—
Rest timerYes—
Auto max HRYes—
Auto scrollYes—
Finish timeYes—
HR caloriesYes—
Voice alertsYes—
Custom alertsYes—
Physio TrueUpYes—
Recovery timeYes—
Training loadYes—
VO2 Max (Run)Yes—
Course guidanceYes—
Training effectYes—
Virtual PartnerYes—
Workout benefitYes—
Race an ActivityYes—
Advanced workoutsYes—
Interval trainingYes—
Race glance/widgetYes—
Training load focusYes—
VO2 Max (Trail Run)Yes—
GPS speed and distanceYes—
Configurable lap alertsYes—
Customizable data pagesYes—
Unified training statusYes—
Touch and/or button lockYes—
Activity history on watchYes—
Multisport auto transitionYes—
Downloadable training plansYes—
Training effect (anaerobic)Yes—
Manual multisport activitiesYes—
HRM running pace and distanceYes—
Heat and altitude acclimationYes—
Customizable activity profilesYes—
Auto Pause® automatic timer haltYes—
Respiration rate (during exercise)yes (with compatible accessory)—
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—
Improved interval (includes open repeats, intervals data page, rest screen and auto detection)Yes—
Design
width—41
height—41
volume—20.68 cm³
weight—31 g
thickness—12.3
ATM rating—5 ATM
resolution—408 x 408 px
screen size—1.2 inches
Display type—OLED/AMOLED
Has a display—Yes
pixel density—320 ppi
water resistance—Waterproof
Always-On Display—Yes
has a touch screen—Yes
Gorilla Glass version—Gorilla Glass 5
waterproof depth rating—50 m
Watch band is replaceable—Yes
Has sapphire glass display—No
Ingress Protection (IP) rating—IP68
has branded damage-resistant glass—Yes
Battery
charge time—1.25 hours
battery life—1 days
battery power—307 mAh
has wireless charging—Yes
has a removable battery—No
Has a solar power battery—No
has a rechargeable battery—Yes
battery life in power save mode—36 hours
Features
RAM—2GB
CPU speed—2 x 1.5 GHz
release date—2023-10-04
Has a stopwatch—Yes
Has smart alarm—No
warranty period—1 years
Has call control—Yes
Has silent alarm—Yes
has HRV tracking—Yes
internal storage—32GB
measures VO2 max—Yes
Has notifications—Yes
Has ECG technology—Yes
Locates your phone—Yes
has fall detection—Yes
has voice commands—Yes
Acquires GPS faster—No
Has vibrating alerts—Yes
shows readiness level—Yes
Can be used to answer calls—Yes
measures resting heart rate—Yes
has irregular heart rate warnings—Yes
has fast/slow heart rate notifications—Yes
Has a built-in camera remote control function—Yes
Connectivity
has NFC—Yes
SIM cards—1 eSIM
Wi-Fi version—Wi-Fi 4 (802.11n)
supports Wi-Fi—Yes
supports Galileo—Yes
Bluetooth version—5
has a cellular module—Yes
Is compatible with iOS—No
Is compatible with Android—Yes
Miscellaneous
Has passcode—Yes
Is compatible with Windows—No
Is compatible with Mac OS X—No
has an external memory slot—No
has a battery level indicator—Yes
has a socket for a 3.5 mm audio jack—No
App & Software
Ad-free—Yes
Free app—Yes
Has coaching—Yes
Includes maps—Yes
Supports routes—Yes
Has achievements—Yes
Has goal setting—Yes
Has live tracking—Yes
Has exercise diary—Yes
Predicts ovulation—Yes
Can be personalised—Yes
Has weight tracking—Yes
Predicts start date—Yes
Tracks water intake—Yes
Has inactivity alerts—Yes
Has period notifications—Yes
Has temperature tracking—Yes
Doesn’t require account—No
Provides activity reports—Yes
Displays fertile window notifications—Yes
Counts how many calories you've burned—Yes
Activity tracking
Measures pace—Yes
Tracks distance—Yes
Tracks elevation—Yes
Designed for golf—No
Tracks your sleep—Yes
Tracks steps taken—Yes
Designed for diving—No
Has a route tracker—Yes
Has exercise tagging—Yes
Has multi-sport mode—No
Tracks calorie intake—Yes
Provides sleep reports—Yes
Detects activities automatically—Yes
Has a stroke counter for swimming—No

Wrist Fit

Garmin Instinct 3 45mm Solar

Sits best on wrists ~47–64mm wide (≈ 12.6–17.1cm circumference).

Google Pixel Watch 3 41mm

Sits best on wrists ~43–59mm wide (≈ 11.5–15.8cm circumference).

Frequently Asked Questions

Is the Garmin Instinct 3 45mm Solar bigger than the Google Pixel Watch 3 41mm?

The Garmin Instinct 3 45mm Solar is bigger — 45mm vs 41mm case width.

Which fits a smaller wrist better, the Garmin Instinct 3 45mm Solar or the Google Pixel Watch 3 41mm?

The Garmin Instinct 3 45mm Solar suits wrists around 47–64mm wide, and the Google Pixel Watch 3 41mm around 43–59mm. The one with the smaller lower bound is the safer pick for a small wrist.

Can I see the Garmin Instinct 3 45mm Solar and Google Pixel Watch 3 41mm side by side at true scale?

Yes — the schematics and photos above show both watches at matched scale, and our fit tool overlays each on your wrist width.

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