Swatch Access To Salzburg  -  SKK104PACK1

This watch could be used to pay with in the city of Salzburg, Austria, but this system is no longer working. The watch can still be used as snowpass.
- Contactless RFID* chip EM Marin, 125 kHz, P4050 V2 f/40
- Read and write memory
- Up to 4 independent applications on the chip (fire-walled)
- Data encryption
- Chip works independently from the watch battery
- Unique ID number for each watch, laser programmed and cannot be altered.
For visual checks, the ID number is engraved on the watch case bottom.