Renata SA, a subsidiary of Swatch Group Ltd in Biel, was founded in 1952 as a manufacturer of components for mechanical watches. Renata’s comprehensive assortment of over 40 different watch battery types, mostly of the silver oxide 1.55 V system, offers a suitable power source for any electronic device requiring an ultra-compact, long lasting, low voltage power source. The new technology of our 0% mercury product portfolio is based on new raw materials and ingredients. New investments in our manufacturing lines are ensuring a state of the art quality production of our new 0% mercury products.