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Casio and Mammut Japan are proud to present the sporty yet elegant solution for precision in the mountains. Part of Casio’s “PRO TREK” line, it features a barometer, altimeter, thermometer, digital compass, stopwatch, countdown, alarm and more to support your outdoor adventures. With sustainability in mind, this solar-powered watch is made primarily of lightweight biomass resin, while its alpine printed cloth wristband is made from recycled PET bottles.

Mammut x Casio ProTrek Watch

Casio outdoor watch with mountain-ready features 

The watch’s case, case back, and soft urethane band are made of biomass plastics named resin, derived from renewable organic resources such as castor oil plants and corn.

Resin

The charging system effectively converts light from the sun, fluorescent lamps, and other sources to power the watch, thereby reducing environmental impact by eliminating the need for regular battery replacements.

Tough Solar

The printed fabric wristband is made from recycled PET bottles and other plastics.

Recycled wristband

Casio 3

Collage Casio

Collage Casio 2

medium

Additional biomass plastic wristband is ideal for sweaty pursuits.

Two wristbands included

Easily swap between bands to suit your style, mood, and activity.

Quick-release fastener

Watch case withstands the heaviest rain and the longest shower.

10-bar water resistant

Casio 4 Features

small

Casio 6 Collage

Casio collage 1

Casio collage 2

Casio collage 3

Main image Casio watch

Mammut Casio watch

Mammut x Casio ProTrek Watch - 2810-00440

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