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Timex mk1 history.
Indiglo
Electroluminescent watch backlight
Indiglo is a product feature on watches marketed by Timex, incorporating an electroluminescent panel as a backlight for even illumination of the watch dial.
The brand is owned by Indiglo Corporation, which is in turn solely owned by Timex, and the name derives from the word indigo, as the original watches featuring the technology emitted a green-blue light.
History
Timex introduced the Indiglo technology in in their Ironman watch line and subsequently expanded its use to 70% of their watch line, including men's and women's watches, sport watches and chronographs.
Casio introduced their version of electroluminescent backlight technology in
The Indiglo name was later licensed to other companies, such as Austin Innovations Inc., for use on their electroluminescent products.[1][2]
From , the Timex Group marketed a line of high-end quartz watches under the TX Watch Company brand, using a proprietary si