A timepiece for Aviation lovers with cutting-edge design that delivers functionality. This newly designed Gravity Master GR-B300 is made out of bio-based resin for the case, bezel, and band. The watch also features a carbon core guard case, making it lighter than previous models while still delivering on strength. Casio is an electronics manufacturing company founded in 1946 by Tadao Kashio, with a versatile portfolio ranging from musical instruments and digital cameras to analogue and digital watches.