For example

Recently, Seiko introduced the built-in active matrix display a new generation of
watches. The new display system to provide a thin, high contrast and ultra-wide-
angle visibility with (almost 180 degrees) of the new display, not only retains the
original advantages of readability, but also allow a richer image display dial and
data.
Seiko is the first and only company to have the ability to turn Active Matrix EPD
technology to watch in the company. Watch this section display amazing clarity. Each
piece of information display are three times better than conventional LCD technology
watch, whether it is digital, text or graphics can be edited in a more smooth way
and appear on the dial. For example: according to a specific area indicated by the
amount of information, date or size can be adjusted to show different ways. Launched
in 2006, owned by E-Ink EPD watch the screen, there are hundreds of preset segments,
black and white color display. But this new Seiko active matrix EPD active matrix
system with 80,000 watches pixels, each capable of showing the proportion of the
shadow of the gray four different one.