This is what I've been wearing and I cannot kill it. Solar powered and it daily resets time from Ft Collins Colorado (atomic time keeping).
MTGM900DA-8 - Others Mens Watches | Casio - G-Shock | Casio - G-Shock
This ^^^^^^
This is what I've been wearing and I cannot kill it. Solar powered and it daily resets time from Ft Collins Colorado (atomic time keeping).
MTGM900DA-8 - Others Mens Watches | Casio - G-Shock | Casio - G-Shock
sometimes I have to make quick and dirty estimates of flow rates or cycle times.