
1) Brand name material
Found on
https://www.crosswordclues.com/clue/lumibrite

Lumibrite is a luminous paint used on some models of Seiko watches. It has also been used in some models of Citizen, Lorus, and Pulsar watches. This is a new kind of Luminescent paint that glows brighter for longer than the previous generation of luminescent paints, and is environmentally friendly (non radioactive). ...
Found on
http://en.wikipedia.org/wiki/Lumibrite
No exact match found.