The Renata 370 is a 1.55 V silver oxide, high-drain watch battery designed for dependable performance in higher-power applications. It measures 9.5 mm in diameter and 2.0 mm in height, making it suitable for a wide range of watches and electronic devices. This mercury-free battery delivers a capacity of 40 mAh and is manufactured in Switzerland by Renata, a trusted leader in premium button cells for watches and electronic products.