Sleek and Classy. Not Chronograph. We are providing an extra battery cell suitable for our wrist watch to facilitate the buyer to continue using the watch and to avoid the hassle of the need to buy a new one. Although we do all possible quality checks to ensure the correct working of the product before dispatching it to the buyer. Sometimes its difficult to predict the life of a battery already installed in the watch. Always try the simple step of installing a new battery provided in our box to avoid functioning problems arising due to a faulty or exhausted battery.