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.

Casio x Mammut Pro Trek – Professional Watches

Consumer Electronics Test and Development - Casio develops watch 'made from beans

Pro Trek x Pendleton PRG601PE-5 – Professional Watches

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

Nanga x Casio Pro Trek Collaborate On Biomass Trail Watch

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

Casio Pro Trek Green Watch PRG-340-3

PRO TREK PRW-61-1A - Paradox

Casio Announces Its First Watch Made With Biomass Plastics - Fareastgizmos

Casio to Release Octagonal PRO TREK with Metal Bezel