G shock gents g 2900f 2ver watch by casio the g shock has long been known as the watch that pushes the limits of shock resistance and water resistance this model also tests the limit for batttery life with an extended battery of up to 10 years5 daily alarms the daily alarm reminds you about recurring events with an acoustic signal at the time you have set you can also activate hourly time signals each hour this model has 5 independent alarms auto illuminator an electro luminescent pa