Casio watches on today’s market are usually shipped without instructions and in my case substantial packaging which resulted in my watch arriving with a slight dent in one of the bracelet segments. The face appeared to have some scuffs on it and it was three days before I discovered that there was a removable protection film covering the watch face. So tutorials such as this are excellent and keep the marque fully functional. As there are no moving parts in a Casio watch, battery change should be quite infrequent.