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- Instinct 3 45mm AMOLED
GarminGPS sports watch
Garmin Instinct 3 45mm AMOLED
Garmin Instinct 3 45mm AMOLED is a GPS sports watch released in January 2025. Key specs: case size 45 mm, screen size 1.2″, AMOLED / OLED display, battery life (smartwatch mode) 18 days.
6.7Score
Display5.9
Battery life5.6
Health tracking4.9
Sports & outdoor6.6
Build & durability5.6
price range$310–390
- Released
- January 2025
- Type
- GPS sports watch
- Brand
Garmin- Popularity
- #211 of 796
- Model numbers
- Instinct 3 – 50 mm, AMOLEDInstinct E – 45 mmInstinct E – 40 mmInstinct 3 – 50 mm, SolarInstinct 3 – 45 mm, Solar
45 mmCase size
1.2″Screen size
YesAMOLED / OLED display
18 daysBattery life (smartwatch mode)
32 hGPS battery life
10 ATMWater resistance
53 gWeight
YesNFC payments
Spec guide
How it ranks among GPS sports watches of 2025
Screen size · 1.2″Bottom 7%Battery life (smartwatch mode) · 18 daysTop 26%GPS battery life · 32 hBottom 42%Water resistance · 10 ATMTop 17%Weight · 53 gBottom 41%
Compared with GPS sports watches released in 2025. Bars show the share of models it beats.
compared with other GPS sports watches
Why is Instinct 3 45mm AMOLED a good choice?
Pixel density: 325 ppibetter than 83% of GPS sports watches
Weak points
Screen size: 1.2″worse than 95% of GPS sports watches
In rankings
Specifications
Full specifications
Design & durability
- Case size
- 45 mm
- Weight
- 53 g
- Thickness
- 14.9 mm
- Height
- 45 mm
- Width
- 45 mm
- Sapphire crystal
- No
- Lens / cover glass
- Chemically Strengthened Glass
- Strap material
- silicone
- Water resistance
- 10 ATM
- Water rating (maker)
- 10 ATM
Display
- Screen size
- 1.2″
- Panel
- AMOLED
- AMOLED / OLED display
- Yes
- Always-on display
- Yes
- Resolution (width)
- 390 px
- Resolution (height)
- 390 px
- Pixel density
- 325 ppi
Battery
- Battery life (smartwatch mode)
- 18 days
- Battery life with always-on display
- 7 days
- Battery saver mode
- 24 days
- GPS battery life
- 32 h
- GPS battery life (dual-band)
- 23 h
- Battery type
- Lithium ion
- Wireless charging
- No
- Charging
- Garmin proprietary plug charger
Health sensors
- Optical heart rate
- Yes
- Blood oxygen (SpO2)
- Yes
- Temperature sensor
- Yes
- HRV tracking
- Yes
- Sleep tracking
- Yes
- Sensors
- GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer
Sports & navigation
- Built-in GPS
- Yes
- Dual-band GPS
- Yes
- Satellite systems
- GLONASS, GALILEO, BDS, QZSS
- Barometric altimeter
- Yes
- Compass
- Yes
- Multisport / triathlon mode
- Yes
- Sport profiles
- 96
- LED flashlight
- Yes
Connectivity
- NFC payments
- Yes
- ANT+ sensors
- Yes
Smart features
- Storage
- 4 GB
- Third-party apps
- Yes
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
Compare
Compare Instinct 3 45mm AMOLED with
In collections
Smartwatches: AMOLED / OLED display + GPS battery life from 30 h70Smartwatches: AMOLED / OLED display + water resistance from 10 ATM85Smartwatches: GPS battery life from 30 h + NFC payments101Smartwatches: GPS battery life from 30 h + water resistance from 10 ATM101Smartwatches: GPS battery life from 30 h + dual-band GPS104Smartwatches: Water resistance from 10 ATM + dual-band GPS109Smartwatches: Water resistance from 10 ATM + NFC payments109Smartwatches: Battery life (smartwatch mode) from 14 days + water resistance from 10 ATM111
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