Casio G-Shock Core GA-2300 (42.1mm) GA-2300-8AER Black Hybrid Dial / Grey Resin Strap Men's Watch set The case measures 38mm in

The case measures 38mm in diameter

Case Size: 39MM

• Battery Saver Mode: Up to 50 days

9mm in diameter

Casio G-Shock Core GA-2300 (42.1mm) GA-2300-8AER Black Hybrid Dial / Grey Resin Strap Men's Watch set The case measures 38mm inCasio is an electronics manufacturing company that was founded in 1946 by Tadao Kashio. The brand has a versatile portfolio, from musical instruments and digital cameras to analogue and digital watches. The company rose to popularity quickly after releasing its first ever product, a cigarette holder, which proved to be a huge success. Casio became involved in electronics in 1954 when they released Japan's first electro mechanical calculator. During