Amazon.com: POLAR Grit X - Reloj inteligente GPS multideportivo resistente - Batería de larga duración, frecuencia cardíaca basada en muñeca, durabilidad de nivel militar, sueño y recuperación, navegación, correr en sendero, ciclismo
Amazon.com : Power Systems Polar FT7 Heart Rate Monitor, Exercise Training Watch, Black/Silver (92018) : Sports & Outdoors
Amazon.com: Polar Grit X Pro - GPS Multisport Smartwatch - Military Durability, Sapphire Glass, Wrist-based Heart Rate, Long Battery Life, Navigation - Ideal for Outdoor Sports, Trail Running, Hiking : Electronics
Amazon.com: Garmin fenix 7X Solar, Larger sized adventure smartwatch, with Solar Charging Capabilities, rugged outdoor watch with GPS, touchscreen, health and wellness features, slate gray with black band : Electronics