E-Ink's flexible zero-standy power display is being used in the world's thinnest watch, a sub-millimeter thick design that charges in just 10 minutes. Sign-up as a backer of this Kickstarter project by clicking Further Reading below, a creation of startup Central Standard Timing: R. Colin Johnson @NextGenLog
Using embedded Thinergy Micro-Energy Cell battery that charges in 10 minutes and lasts for over a month the 0.8mm thin watch has an expected lifetime of 15 years.
Further Reading