A nice dark blue rubber band Scuba, that also can be used as a Snowpass.
Features of the Chips:
- Contactless RFID* chip EM Marin, 125 kHz, P4150 V2 f/40
- - Contactless RFID* chip Philips Mifare MF1 IC S50 03
- 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.