319 Watch Batteries

The 319 watch battery is a silver oxide button cell designed for devices that require more power, like watches with additional features. It has a 1.55V output and a capacity of 21mAh.

With a diameter of 5.5mm and a height of 2.7mm, it can be used to replace various other batteries, including SR527, SB-DE, and SR64, offering higher capacity than some similarly sized cells.