Casio G-Shock GBM-2100A-1A2DR Bluetooth Tough Solar Metal Covered (44.4mm) Sky Blue Dial / Black Bio-Based Resin Strap Men's Watch Khaki Aviation Pilot Pioneer Mechanical The watch is radio controlled

The watch is radio controlled using atomic clock synchronisation for superior accuracy

Approximate Case Thickness 11mm

Model Specifications: SPB431J1

a day and date display

with a white mineral insert

Casio G-Shock GBM-2100A-1A2DR Bluetooth Tough Solar Metal Covered (44.4mm) Sky Blue Dial / Black Bio-Based Resin Strap Men's Watch Khaki Aviation Pilot Pioneer Mechanical The watch is radio controlledCasio 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 Japans first elector mechanical calculator. During the