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Rugged black 45mm GPS smartwatch with solar lens and built-in flashlight

Garmin

Garmin Instinct 3 45mm Solar GPS Smartwatch Black

SKU CH-CFRM-ZDETV

Rugged 45 mm GPS smartwatch with solar charging, built-in flashlight, multi-band GPS and 10 ATM water resistance

  • Unlimited battery life with solar charging assumes three hours daily outdoors
  • Rugged 45 mm fiber-reinforced polymer case with metal-reinforced bezel withstands tough adventures
  • Built-in LED flashlight offers variable intensities and strobe modes for outdoor visibility
  • Multi-band GPS with SatIQ technology provides superior positioning while optimising battery life
  • 24/7 health monitoring includes wrist heart rate, advanced sleep tracking and Pulse Ox

Rugged 45 mm GPS smartwatch

The Garmin Instinct 3 is a 45 mm GPS smartwatch built for outdoor adventurers who need reliable navigation and health tracking in harsh conditions. It features a fiber-reinforced polymer case with a metal-reinforced bezel and a scratch-resistant lens. The device meets MIL-STD-810 standards for thermal and shock resistance and carries a 10 ATM water rating.

Solar charging and multi-band GPS limits

Unlimited battery life in smartwatch mode requires all-day wear with 3 hours daily outside in 50,000 lux conditions. Multi-band GPS with SatIQ technology optimises positioning and power use, but accuracy still depends on satellite visibility and environmental interference. The 0.9 display with solar charging lens supports this energy harvesting, yet heavy cloud cover or dense canopy will reduce solar gain.

Straightforward setup with health caveats

Initial pairing uses the Garmin Connect app to configure sensors, payment cards and activity profiles. The bolted construction and standard strap pins make band changes simple without special tools. Pulse Ox data is not available in all countries and all wellness metrics are estimations, not medical diagnostics, so users needing clinical-grade readings should consult a healthcare professional.

How it compares

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

Price $224.99
Pricier than about 90% of the 2,527 comparable items (median $44.99).

Specifications

No published specifications for this item yet.

Questions about this item

Which display size should I choose for the Instinct 3?

The 45 mm case with a 0.9 display is the only size offered for this model.

What does unlimited battery life mean in daily use?

In smartwatch mode with solar charging, the battery does not need mains charging if you spend three hours outside daily in 50,000 lux light.

What does the 10 ATM water rating allow?

It is rated to withstand pressures equivalent to 10 ATM, suitable for swimming and snorkelling but not for high-speed water sports or diving.

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