Heart Rate Monitor Armband Type of Glass_Mineral watch function

watch function

Seiko 5 Sports has offered a wide variety of durable and reliable mechanical watches for watch lovers of every age for over half a century

auto/manual lap times

Dress watch style

Heart Rate Monitor Armband Type of Glass_Mineral watch functionComfortable and simpler to wear than a chest strap. Easy to adjust the fit and remove the sensor for quick cleaning. Our latest multi channel optical sensor for precise measurement. Up to 3 simultaneous connections with Bluetooth enabled devices. Wear detection allows for automatic device pairing for new workouts. 38 hours of full operation or 80 days in standby mode on a single charge. Rechargeable with a magnetic USB charging cable. Size and Weight