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Garmin fēnix 8 47 mm slate gray case black silicone band 1.4 AMOLED display

Garmin

Garmin fēnix 8 47 mm AMOLED Slate Gray Black Band wearable technology

SKU CH-T4AB-KFH2P

A 47 mm multisport GPS smartwatch with a 1.4 AMOLED display, 40‑meter dive rating, built‑in speaker and microphone, LED flashlight and up to 16 days battery life

  • Screen size1.4
  • Product colorBlack
  • Product typeWatch
  • Overall width.55
  • Bright 1.4 AMOLED display for clear visibility
  • Up to 16 days battery life in smartwatch mode
  • Built-in speaker and microphone for voice calls
  • 40-meter dive rating with leakproof buttons
  • 24/7 health monitoring with heart rate and Pulse Ox

Rugged 47 mm AMOLED smartwatch for athletes

The Garmin fēnix 8 is a premium multisport GPS watch built for serious athletes and outdoor adventurers. Its 47 mm case houses a bright 1.4 AMOLED display protected by a metal sensor guard. The design meets U.S. military standards for thermal, shock and water resistance and carries a 40-meter dive rating with leakproof buttons.

Up to 16 days battery life

In smartwatch mode the device delivers up to 16 days of battery life while running continuous 24/7 monitoring. Sensors track heart rate, Pulse Ox, ECG for AFib detection, HRV status, sleep coaching and Body Battery energy levels throughout the day and night. The always-on display and multi-band GPS with SATIQ operate within this same power envelope.

Dive-rated case with speaker, mic and LED flashlight

The rugged case integrates a built-in speaker and microphone for phone calls and off-grid voice commands when paired with a smartphone. A bright LED flashlight is embedded in the housing for low-light use. Leakproof button construction and the metal sensor guard protect internals during swimming, diving and heavy daily wear. Not suited for users who need cellular connectivity without a phone nearby.

How it compares

Measured against everything we stock in Smartwatches & Wearables, at today’s prices. Recalculated every night.

Price $697.99
Pricier than about 95% of the 2,527 comparable items (median $44.99).

Specifications

Product
Brand nameGarmin
Product colorBlack
Product typeWatch
Display
Screen size1.4
Size & build
Overall width.55

Questions about this item

How do I install the fēnix 8 on my wrist and what step do people often miss?

Fasten the black silicone band so the 1.4 AMOLED screen sits flat on the top of your wrist; the step many skip is tightening the strap enough that the metal sensor guard maintains steady contact for 24/7 heart-rate and Pulse Ox readings.

What maintenance or replacement will the fēnix 8 need over time?

The black silicone band will eventually wear or stretch and should be swapped for a fresh strap; the scratch-resistant lens and metal sensor guard protect the 1.4 AMOLED display, but deep impacts may still require a lens replacement.

What limit appears first during sustained use of the fēnix 8?

Battery life reaches its limit first — up to 16 days in smartwatch mode — and drops sharply when multi-band GPS, the LED flashlight, or dive mode at 40 meters are active for long periods.

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