Garmin fenix 6X Sapphire

Garmin fenix 6X Sapphire

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The largest of the Fenix 6 watch family, the Garmin Fenix 6X Sapphire packs big features and bigger battery life into a low-profile timepiece.

Garmin’s Fenix 6X Sapphire measures 51mm in diameter, so you never have to squint to read the face, and with a big case comes big battery life: Garmin says you’ll get up to 21 days in smartwatch mode and even longer in more efficient modes.

Garmin Fenix 6X Sapphire battery life:

  • Smartwatch: 21 days
  • GPS: Up to 60 hours
  • GPS + Music: Up to 15 hours
  • Max Battery GPS Mode: 120 hours
  • Expedition GPS Activity: 46 days
  • Battery Saver Watch Mode: 80 days

The battery life is as impressive as advertised. A Fleet Feet runner tested the watch for a Garmin Fenix 6 review, and he says he squeezed almost three weeks of normal training and use out of a single charge without changing any settings.

The newest Fenix comes with the same wrist-based heart rate monitor and Pulse Ox sensor as the smaller Garmin Fenix 6S Sapphire and Garmin Fenix 6 Sapphire, and it uses the same scratch-resistant sapphire crystal lens and rugged stainless steel or Diamond-like Crystal-coated steel bezel.

Garmin engineers tested the Fenix 6X Sapphire to U.S. military standards for thermal, shock and water resistance. Those tests yielded a 10 ATM water rating, which means it can withstand water pressures equivalent to 100 meters.

Behind the lens is a color 1.4” display that’s 36 percent larger than previous Fenix models and other Garmin watches. The color highlights topographical and ski maps, adds contrast to turn-by-turn navigation screens and lets you easily see your route.

With new safety, tracking and incident detection features, the Garmin Fenix 6X Sapphire will keep you in touch while you train harder—and smarter—than ever before.

Tech specs

Garmin Fenix 6X Sapphire




93 g

Battery life

GPS mode: 60 hours, GPS + Music: 15 hours

Water rating

10 ATM

Lens material

Sapphire crystal




Wrist-based heart rate, Pulse Ox, barometric altimeter

Smartphone compatibility

iPhone, Android

Music storage

Up to 2,000 songs