This is MW3001 (White) from Metawatch.
It was customized - it has several additional
views like calendar, double stopwatch, double time,
It was possible to rearrange and relayout everything because
this watches have the 96x96 raster screen.
For example, in my design
you can see the week dates,
current date, month and year,
battery life and my own life.
But it was possible to change it all
to something totally different,
for example like this.
Watches currently have
It is possible to make full relayout
of these views and the sequence
of menu items can be also changed.
Besides changing the layout and appearance
of existing views it was also possible to add
new views and functionality.