Based on this product's specifications, here are some alternatives and similar models
Single-use battery Varta V321
Summary description:
The Varta V321 is a single-use silver-oxide battery with a voltage of 1.55 V. It features a compact size with a height of 1.65 mm and a diameter of 6.8 mm, making it ideal for various small electronic devices. The round button/coin shape ensures easy installation and reliable performance. Perfect for watches, calculators, and other gadgets requiring a dependable power source.