Duracell® Silver Oxide Coin and Button batteries have a 3-year guarantee in storage so you can be confident these batteries will be ready when you need them. They offer long-lasting power for your specialty devices such as watches, calculators and medical devices. Equivalent to: SR66, SR626W, 376, 377, S626SW, D377, D376, V377, SR626. Size (mm): 6.8 X 2.6. Best uses: medical devices, watches, toys, calculators and more
