To change the time on the Fluoro LED Watch, just press and hold the middle of the panel below the numbers for 3 seconds.
This will allow you to edit the Hours by pressing the same button the required amount of times.
To edit the other values, simply continue the process of holding the button down for three seconds to access subsequent values and then pressing the button again to edit that value.
You will have the option to rotate through these values in the following order: Hours, Minutes, Year, Month, Date.