All Silver Oxide – 0% mercury watch batteries professionally installed for only $5 and Lithium 3V power Cells for only $10. Why purchase a watch battery from us? First, we use only fresh Renata Swiss stock. Second, we often hear of consumers purchasing similar watch batteries or even inferior watch batteries for upwards of $35 each, that’s a savings of over 85%. Thirdly, our professionals have been changing watch batteries since 1987, and utilize only industry standard equipment and presses to insure a proper seal. In summary, you get quality customer care, while you wait service, at big savings! See you soon.