Sapphire crystal incorporating a NXP MIFARE Classic® EV1 1K chip.
This watch functions as a digital key with many standalone digital cylinders compatible MIFARE Classic®. The coupling with the cylinder is done directly on the cylinder by means of the programming card.
We guarantee that this NFC personalized Citizen watch is an original brand watch that is sold in new and unworn condition. The watch comes in its original packaging and has a 2 (two) year Winwatch warranty.