When Casio introduced PRO TREK with offline maps, it was a god sent for trekkers, but it is lacking one key feature modern active wearables has: heart rate monitor. Well, the good news is, that changes today when Casio announced the new PRO TREK WSD-F21HR. It is the first PRO TREK Smart to be outfitted with an optical sensor to monitor the wearer’s heart rates. Like, finally, right?

Along with the new heart rate monitor is a new Heart Rate watch face that atomically switch to heart rate monitor screen when motion detected by the accelerometer. Casio PRO TREK Smart WSD-F21HR is presented with a bold, durable front bezel paired to a soft urethane band with double pin buckle.

Casio PRO TREK Smart WSD-F21HR

Other features you can expect from the Casio PRO TREK Smart WSD-F21HR include a 1.32-inch dual-layer touch display (color TFT LCD + monochrome LCD), built-in GPS with GPS log data, offline maps, access to Google suite of services, water resistant to 50 meters (5 ATM or about 165 feet), military-spec built (MIL-STD-810G), and Bluetooth and WiFi connectivity.

It comes equipped with a lithium-ion battery that offers around a day and half of use without GPS, or up to 20 hours with GPS. However, it could run for about a month of it is on timekeeping and sensors only mode, and it is, of course, powered by Wear OS. The Casio PRO TREK Smart WSD-F21HR is expected to drop at select jewelry and watch retailers in stateside in September for $499 a pop.

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Images: Casio.

Published by Mike

Avid tech enthusiast, gadget lover, marketing critic and most importantly, love to reason and talk.