Step 1: Hold down the adjust button until you hear a beep sound. Step 2: Change the time zone according to your needs, and save the setting by pressing the mode key. Step 3: Tap the Adjust button to change the second's values, then change the hour and press the mode button to cycle to the minutes. To change the time and date on your Casio Edifice ECB-10, press and hold the Mode button until the watch enters the setting mode. Use the B and D buttons to navigate and adjust the desired values. Press the Mode button once more to save the changes. 3. Best Casio Digital Watch: Casio G-Shock DW5600E-1V Digital Watch. Before smartwatches took over, men would turn to digital watches to get their high-tech fix. And while the former is very much Watch official 5479 AEQ-110 Manual Online →. All settings are clearly explained and understandable. In the Timekeeping Mode, hold down A until the seconds start to flash, which indicates the setting screen. Press C to move the flashing in the sequence shown below to select the other settings. When the setting you want to change is flashing Time Adjustment. When adjusting the time, you may have to configure some setting items. If you are having trouble setting the time, we recommend trying the watch operations described here before contacting us for repair or inquiry. Download official EFA-121 Manual →. Watch official 4334 EFA-121 Manual Online →. All settings are clearly explained and understandable. In the Timekeeping Mode, hold down A until the seconds start to flash, which indicates the setting screen. If the watch is not connected to a phone, use the procedure below to adjust its day and time settings. 1. Pull out the crown to the second click. 2. Hold down the (B) button for about one second. This causes the second hand to move to 12 o'clock, and enables the minute setting operation. 3. Press (D). Each press advances the time setting 1/3 of a minute (20 seconds). Holding down (D) advances the hands at high speed. Pressing (B) and (D) at the same time advances the time setting up to 12 hours at high speed. To stop the high-speed operation at any time, press any button. View. All Instructions. Step 1. Switching to Time Setting Mode. Step 2. Toggle the setting between. 12-hour and 24-hour timekeeping. Step 3. Adjusting the time. 1. Hold down C for about two seconds. [ SET Hold] will appear and the time offset value will flash. a. Time differential. 2. Press B three times to display the seconds reset screen. Press D to reset the seconds to 00. ZvYEPiv.