The ENERGIZER 379/SR521 watch battery is a high-quality single-use cell designed primarily for watches, calculators, and other miniature devices. The ENERGIZER brand is a guarantee of reliability, stable voltage, and long service life.
With precisely defined parameters, the battery provides constant performance, which is crucial for accurate timekeeping. If you’re looking for a hassle-free replacement for types 379 / SR521, this option is a safe bet.
