Casio EQS900DB-2AV Edifice Solar Chronograph G-Shock GWG-2040FR-1A Mudmaster Tough Solar Shock Resistant Flare Red 40 micro gas tubes on

40 micro gas tubes on bezel

(1-minute increments and 1-hour increments)

an intricately engineered motor and turbine system that generates power

Special limited edition screwdown see-through caseback

Measuring interval: 2 minutes/5 seconds

Casio EQS900DB-2AV Edifice Solar Chronograph G-Shock GWG-2040FR-1A Mudmaster Tough Solar Shock Resistant Flare Red 40 micro gas tubes onCasio Edifice Solar Chronograph EQS900DB 2AV These models are the latest solar powered chronographs from the high performance EDIFICE lineup. The sporty designs of these motorsports concept timepieces are created using carbon fiber, an essential material for racing car applications, for their faces. A solar cell is used to generate electrical power from light, which is used to charge a battery. This eliminates any need to worry about the battery