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Specifications

  • Case Size: 47mm
  • Case Material: Titanium with sapphire crystal lens
  • Display: Sapphire AMOLED Touchscreen, always-on
  • Battery Life: Up to 14 days smartwatch, up to 75 hours GPS
  • GPS: Multi-Band GPS with SatIQ multi-GNSS
  • Connectivity: ANT+ and Bluetooth Smart; power meters, Di2, Varia compatible
  • Color: Spark Orange

FAQ

What is the difference between the 47mm and 51mm fenix 8 Sapphire?

The 47mm offers slightly less battery life (75 hours GPS vs. 85 hours) and a smaller case footprint. All features, sensors, and training capabilities are identical. The 47mm is the right choice for athletes who want the full fenix 8 Sapphire experience in a more wearable daily profile.

Can I use the fenix 8 as my only cycling computer?

Yes. The fenix 8 pairs with power meters, Varia radar, heart rate monitors, and Di2 or AXS shifting via ANT+ and Bluetooth Smart. It displays structured training data fields comparable to a dedicated cycling head unit.

Is the fenix 8 rated for swimming and open water?

Yes. The fenix 8 Sapphire is rated to 10 ATM and includes open-water swim tracking and a certified dive computer for scuba and freediving, making it a fully capable triathlon and multisport watch.

Best For

Multisport cyclists and endurance athletes who want the full fenix 8 Sapphire feature set in a 47mm case with a bold Spark Orange colorway that performs on the bike and looks sharp off it.

Garmin fenix 8 - 47 mm | Sapphire | AMOLED | Spark Orange Reviews:

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