Garmin Forerunner 170

Name: Garmin Forerunner 170
Brand: Garmin

Garmin Forerunner 170 is a GPS sports watch released in May 2026. Key specs: case size 43 mm, screen size 1.2″, AMOLED / OLED display, battery life (smartwatch mode) 10 days.

4.3Score

Display5.3

Battery life2.9

Health tracking4.9

Sports & outdoor4.7

Build & durability3.1

price range$260–330

Full specifications

Released: May 2026
Type: GPS sports watch
Brand: Garmin
Popularity: #203 of 796
Model numbers: Forerunner 170 MusicForerunner 70

43 mmCase size

1.2″Screen size

YesAMOLED / OLED display

10 daysBattery life (smartwatch mode)

20 hGPS battery life

5 ATMWater resistance

41 gWeight

YesNFC payments

Spec guide

How it ranks among GPS sports watches of 2026

Spec guide

Screen size · 1.2″Bottom 3%Battery life (smartwatch mode) · 10 daysBottom 38%GPS battery life · 20 hBottom 16%Water resistance · 5 ATMBottom 37%Weight · 41 gTop 35%

Compared with GPS sports watches released in 2026. Bars show the share of models it beats.

compared with other GPS sports watches

Why is Forerunner 170 a good choice?

Weight: 41 gbetter than 86% of GPS sports watches

Pixel density: 325 ppibetter than 83% of GPS sports watches

Thickness: 11.9 mmbetter than 80% of GPS sports watches

Weak points

Screen size: 1.2″worse than 95% of GPS sports watches

Water resistance: 5 ATMworse than 93% of GPS sports watches

Battery life (smartwatch mode): 10 daysworse than 77% of GPS sports watches

GPS battery life: 20 hworse than 91% of GPS sports watches

Specifications

Full specifications

Design & durability

Case size: 43 mm
Weight: 41 g
Thickness: 11.9 mm
Height: 42.6 mm
Width: 42.6 mm
Case material: Plastic / polymer
Sapphire crystal: No
Lens / cover glass: chemically strengthened glass
Strap material: silicone
Water resistance: 5 ATM
Water rating (maker): 5 ATM

Display

Screen size: 1.2″
Display technology: AMOLED
Panel: AMOLED
AMOLED / OLED display: Yes
Always-on display: Yes
Touchscreen: Yes
Resolution (width): 390 px
Resolution (height): 390 px
Pixel density: 325 ppi

Battery

Battery life (smartwatch mode): 10 days
Battery life with always-on display: 4 days
Battery saver mode: 19 days
GPS battery life: 20 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, Gyroscope, Accelerometer, Thermometer, Ambient light sensor

Sports & navigation