Phosphor makes watches with E-Ink displays, so you can toggle between white-on-black and black-on-white. I've been happy with mine, which I've had for a couple

Phosphor makes watches with E-Ink displays, so you can toggle between white-on-black and black-on-white. I've been happy with mine, which I've had for a couple years now: http://www.phosphorwatches.com/E-Ink-Digital-Hour-Clock-Watch-Stainless-Steel-p/705105652801.htm http://www.phosphorwatches.com/E-Ink-Digital-Hour-Clock-Watc...