303 Watch BatteryN/AN/A**** FREE UK DELIVERY ****N/AN/AN/AReplacement battery for many models of wristwatch please consult documentation or current watch battery to ensure that this is the correct battery for your watch. We cannot accept responsibility for any damage caused if the wrong battery is used. We also cannot accept returns of this item if opened.N/AN/AN/AN/AN/ARenata Silver Oxide 1.55v Button BatteryN/AN/A303 (SR44SW)N/AN/AN/AN/ARenata 3xx - Mercury FreeN/AN/AMercury Free (MF) Silver Oxide BatteriesN/AN/AN/ARenata has developed its 0% mercury battery line in close cooperation with the Swiss Watch Industry. The new batteries were tested by various independent laboratories and approved by several important OEM customers. Most of the major luxurious Swiss Watch Brands rely on Renata.N/AN/AN/ACreated with zero mercury and zero lead added these batteries have been tested to be just as powerful as conventional watch batteries while being more environmentally friendly.N/AN/AN/AFor maximum power and sustainability go green with Renata Mercury Free Silver Oxide BatteriesN/AN/AN/A100% mercury & lead freeN/AAn optimised volume/capacity ratioN/ADimensional precision and stabilityN/AHigh capacity retention on storage (low self-discharge)N/AExcellent reliability thanks to a uniformly high quality levelN/AState of the art leak proofness thanks to a new sophisticated sealing processN/AConstant availabilityN/AN/AN/ARenata's professional expertise is worth having on your side and in your watches.N/A