Amazon.com : POLAR VANTAGE M –Advanced Running & Multisport Watch with GPS and Wrist-based Heart Rate (Lightweight Design & Latest Technology), White, Small : Sports & Outdoors
Amazon.com : Power Systems Polar FT7 Heart Rate Monitor, Exercise Training Watch, Black/Silver (92018) : Sports & Outdoors
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 : POLAR VANTAGE M –Advanced Running & Multisport Watch with GPS and Wrist-based Heart Rate (Lightweight Design & Latest Technology), Black, M-L : Sports & Outdoors