A Newton device developed by Schlumberger as a dedicated, vertical market solution for the French healthcare industry. The device was based on the MessagePad 2000, utiliziling a modem and a pair of smartcard readers to faciliate secure digital transactions for processing claims and accessing patient records through the SESAM-Vitale health insurance system. The Watson fit into a cradle which contained the modem, a serial port for connection to a desktop comupter, and circuitry to recharge the battery pack.
A third-party device that utilizes a licensed version of Newton OS is commonly referred to as a clone.
My Apple Newton: Schlumberger Watson: The Newton I Forgot
Sylvain Pilet: Mon cher Watson, quel est votre secret?
Internet Archive: Newton OS Computers from Licensees