You should definitely have a battery that's around 1.3v for the large wall clocks. The larger hands just take a lot of Vitality so a better battery will very last longer. Lithium batteries are claimed to very last a long time in clocks. It really is printed immediately over https://andrelquwy.blogpixi.com/38766225/the-2-minute-rule-for-handmade-embroidered-wall-clock