While the manual for the Casio Edifice EF-514 does not require you to change the battery yourself, knowing the battery type (typically a or 395 ) is helpful.
A: The EF-514 has a screw-down crown for 100m water resistance. Turn the crown counter-clockwise (towards you) until it "pops" outward slightly. Then pull. Manual Casio Edifice Ef 514
Use if chronograph hands don’t return exactly to 12. While the manual for the Casio Edifice EF-514
toward you to cycle through the days until the correct one is displayed. Then pull
One of the most common issues users face with the EF-514 is "ghost hands." You might press the Reset button, but the center second hand stops at the "5-second mark" instead of returning to 12 o'clock. This usually happens after a battery change or a hard impact. You must recalibrate the hands.