Renata 390 Watch Battery (SR1130SW), Silver Oxide 1.55V Battery, Pack of 10 Batteries

OverviewThe Renata 390 is a silver oxide button cell battery commonly used in watches, calculators, and other small electronic devices. Manufactured by Renata, a Swiss company and a part of the Swatch Group, these batteries are mercury-free and known for their precision, reliability, and leak-proof design. They are available individually or in packs and are often cross-compatible with other brands' models (e.g., Maxell SR1130SW, Panasonic SR1130SW)​.