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- Instinct E 45mm
GarminGPS sports watch
Garmin Instinct E 45mm
Garmin Instinct E 45mm is a GPS sports watch released in January 2025. Key specs: case size 45 mm, screen size 1.27″, battery life (smartwatch mode) 16 days, GPS battery life 24 h.
4.6Score
Display2.6
Battery life5.0
Health tracking4.9
Sports & outdoor4.5
Build & durability5.8
price range$220–275
- Released
- January 2025
- Type
- GPS sports watch
- Brand
Garmin- Popularity
- #210 of 796
- Model numbers
- Instinct 3 – 50 mm, AMOLEDInstinct E – 40 mmInstinct 3 – 50 mm, SolarInstinct 3 – 45 mm, SolarInstinct 3 – 45 mm, AMOLED
45 mmCase size
1.27″Screen size
NoAMOLED / OLED display
16 daysBattery life (smartwatch mode)
24 hGPS battery life
10 ATMWater resistance
48 gWeight
Spec guide
How it ranks among GPS sports watches of 2025
Screen size · 1.27″Bottom 15%Battery life (smartwatch mode) · 16 daysTop 29%GPS battery life · 24 hBottom 28%Water resistance · 10 ATMTop 17%Weight · 48 gTop 50%
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 E 45mm a good choice?
Weight: 48 gbetter than 78% of GPS sports watches
Weak points
GPS battery life: 24 hworse than 84% of GPS sports watches
Specifications
Full specifications
Design & durability
- Case size
- 45 mm
- Weight
- 48 g
- Thickness
- 14.2 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
- 1.27″
- Panel
- Monochrome, sunlight-visible, transflective memory-in-pixel
- AMOLED / OLED display
- No
- Always-on display
- Yes
- Resolution (width)
- 176 px
- Resolution (height)
- 176 px
- Pixel density
- 139 ppi
Battery
- Battery life (smartwatch mode)
- 16 days
- Battery saver mode
- 40 days
- GPS battery life
- 24 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, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Accelerometer, Thermometer
Sports & navigation
- Built-in GPS
- Yes
- Satellite systems
- GLONASS, GALILEO
- Barometric altimeter
- Yes
- Compass
- Yes
- Sport profiles
- 69
Connectivity
- ANT+ sensors
- Yes
Smart features
- Storage
- 0.12 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.
In collections
Smartwatches: Battery life (smartwatch mode) from 14 days + water resistance from 10 ATM111Smartwatches: Proprietary + water resistance from 10 ATM130GPS sports watches: Water resistance from 10 ATM132GPS sports watches: Battery life (smartwatch mode) from 14 days158Smartwatches: Proprietary + battery life (smartwatch mode) from 14 days173GPS sports watches: Proprietary221GPS sports watches: Battery life (smartwatch mode) from 7 days247Smartwatches: Proprietary + battery life (smartwatch mode) from 7 days275
