Concept: the WatchPad
Citizen & IBM: the Watchpad
In October 2001, Citizen and IBM created a proof of concept, the WatchPad, a watch containing:
the Cirrus ARM EP7312 processor, running Linux
16 MB of Flash, 8MB of RAM
a 320x240 monochrome reflective LCD display
a touch sensitive screen
jog dial, three buttons
Bluetooth wireless communication hardware
a two axis accelerometer
a vibration device
a speaker, a microphone
an infrared module
and the FingerChip AT77C101
Several versions existed, see also the following links for more information:
IBM WatchPad 1.5
Here are some images: click on image to get a high resolution version.
A small movie showing the WatchPad 1.5: watchpad1.5.mpeg
(2010 Jan) Armatix unveils the SmartSystem using an AT77C104 sensor.
So it took 9 years from the concept to the first real product!