Get Out Into The Great Outdoors With A Solar-powered Pro Trek Featuring Eco-friendly Materials That Care For The Environment.The Pro Trek Line Of Authentic Outdoor Gear For Nature Lovers Introduces The Prg340, A Timepiece That Incorporates Environmentally Friendly Bio-based Resin* While Delivering The Same Comfortable Fit For Your Wrist. The Case And Urethane Band Are Crafted From Bio-based Resin Made With Castor Oil And The Band From Bio-based Resin Made With Corn.The Duplex Lcd Lays Out Separate Layers For The Compass Graphics And The Clock Functions, Enabling A Larger Compass Display For Better Legibility And Easier Navigation In A Design That Is Both Functional And Beautiful. The Rotating Bezel Makes It Simple To Record Compass Readings, And The Tough Solar Charging System Keeps The Advanced Functionality On The Go.Get Out And Explore With A Gentler Footprint!* Bio-based Resin Are Polymers Produced Using Chemical Or Biological Synthesis Of Materials Sourced From Plant Matter Or Other Renewable Organic Substances And Are Widely Thought To Help Reduce Environmental Impact And Promote The Shift To A Circular Economy.