It's an RFID tag you can upload your usu European ski pass info on. Its like a smart credit card that when in the presence of a magnetic reader gives its number which is linked to your ski pass. The RFID chip is in the band of the watch.
Swatch is a brand name for a line of wrist watches from the Swatch Group, a Swiss conglomerate with vertical control of the production of Swiss watches and related products. In 1982, Swatch was...