Based on this product's specifications, here are some alternatives and similar models
Single-use battery Panasonic SR521
Summary description:
The Panasonic SR521 is a single-use alkaline battery with a voltage of 1.55 V. Its compact size (5.8 mm width, 5.8 mm depth, 2.15 mm height) makes it ideal for various devices. This coin-type battery provides reliable power for watches and small electronics, ensuring long-lasting performance and convenience.