Liquid-crystal display. This digital time display is used by Longines to give additional chronograph indications.
Several types of lighted dials are used so that you can tell time in the dark. Recently, a patented night-lite process, caled electro-luminesce, lights the entire dial with a uniform light that makes for easy reading in nighttime situations. A side button activates the light. This technology often appears under a name brand such as Timex' Indigio or Seiko's Lumibrite.
Extensions on either side of the bezel where the bracelet or strap is attached.
Environmentally safe illumination technology that will glow brightly for hours without pushing a button or drawing energy from a battery.
Self illuminating paint ised on hands and markers.
