Casio's new Pro Trek watch is made of corn and castor seeds

The Casio Pro Trek PRW61 is the first Pro Trek model to be made using renewable biomass plastics, but is still just as tough as you need an outdoor watch to be.

Eco-Materials

Casio Launches Greenest Pro Trek – International Wristwatch

Field Report: 2022 Casio Pro Trek PRG-340 – Professional Watches

Casio Pro Trek Green Watch PRG-340-3

This retro-inspired Casio adventure watch is made from beans yes, really

Casio expands it range of eco-friendly watches made from castor seeds and corn｜Arab News Japan

Pro Trek x Pendleton PRG601PE-5 – Professional Watches

Casio's new sports watch is made from beans and corn, and powered by the sun

G-SHOCK PRG-340T-7 Pro Trek Men's Watch – G-SHOCK Canada