Garmin · Smartwatch

Garmin Enduro 3

Ultra-endurance flagship. 36-day battery, 90 with solar, and an FDA-cleared ECG.

$799.99Garmin →

Key specs

Battery life
36 days
GPS tracking
120 hr
Charging
2h 30m
Weight
57g
Case size
51mm
Display
MIP (transflective), always-on
Water resistance
10 ATM (100m)
Phone
Not required
Sensors
Optical heart rate, ECG, SpO₂, Skin temperature, Accelerometer, Gyroscope, Barometer, Compass, GPS, Altimeter, Ambient light

When your race lasts three days, your watch needs to last longer. The Enduro 3 runs 36 days in smartwatch mode and pushes toward 90 with solar charging through the sapphire lens. The transflective MIP display is the reason — it costs you AMOLED brightness and buys you weeks. Built for ultra-marathons and FKT attempts where a multi-day GPS session is a realistic scenario, and the first Enduro to carry Garmin's ECG app.

Strengths

  • 36-day battery, up to 90 with solar
  • 120 hours of GPS-only tracking
  • FDA-cleared ECG app on board

Tradeoffs

  • 51mm case is enormous on smaller wrists
  • MIP screen, not AMOLED
  • Overkill for anything shorter than an ultra

Full specs

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Common questions

How much does the Garmin Enduro 3 cost?
The Garmin Enduro 3 has a list price of $799.99.
Does the Garmin Enduro 3 require a subscription?
No. The Garmin Enduro 3 has no subscription — you pay for the hardware once and the Garmin app is included.
How long does the Garmin Enduro 3 battery last?
About 36 days of typical use per charge. Heavy GPS use, an always-on display, and continuous sensing all pull that number down.
How much does the Garmin Enduro 3 weigh?
The 51 mm Garmin Enduro 3 weighs 57 g.
How big is the Garmin Enduro 3?
The Garmin Enduro 3 has a 51 mm case in the configuration we list, which weighs 57 g.
Is the Garmin Enduro 3 waterproof?
The Garmin Enduro 3 is rated 10 ATM (100m), which covers showering, swimming, and surface water sports. It is not a dive rating.
Do you need a phone to use the Garmin Enduro 3?
No. The Garmin Enduro 3 records, stores, and shows your data on the device itself — a phone is for syncing and review, not for tracking.
When was the Garmin Enduro 3 released?
Garmin released the Garmin Enduro 3 in 2024, and it is still in the current lineup.