Based on this product's specifications, here are some alternatives and similar models
Energizer 364/363 Silver Oxide Battery 1.55V 19mAh SR621SW
Summary description:
The Energizer 364/363 silver oxide battery is a high-performance 1.55V button cell with a 19mAh capacity. Designed for precision electronics, this SR621SW equivalent provides stable voltage and reliable power for wristwatches, medical devices, and small electronic instruments. Its compact design ensures long-lasting energy efficiency for low-drain devices requiring consistent performance.