Polar Pacer Pro review: The best new smartwatch for performance-driven runners | Mashable
Polar Ignite review: Clever fitness perks marred by too many compromises | Ars Technica
Polar Grit X GPS Watch In-Depth Review | DC Rainmaker
Polar Vantage M2 In-Depth Review | DC Rainmaker
Polar Ignite review: Average smartwatch, top fitness tracker - Gearbrain
Polar Ignite | High-quality fitness watch with GPS | Polar USA
Polar Ignite 3 review: style over substance - The Verge
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Amazon.com: Polar Ignite 3 Series Titanium Fitness Tracking Smartwatch with AMOLED Display, GPS, Heart Rate Monitoring, Sleep Analysis, and Real-Time Voice Guidance; S-L, for Men or Women, Black Titanium : Everything Else
Polar's Vantage V3 fitness watch is a big upgrade that costs $600