It’s the latter that’s deployed in

It’s the latter that’s deployed in Sarpaneva’s
watches, and a forthcoming 2.0 upgrade,
plus other strontium aluminate (the active
ingredient in all luminova) products new
to the market, could really dazzle in the
near future. They look likely to provide the
kind of fine tolerances required in high-end
watchmaking, allow a move away from the use
of plastics, and will mean whole glowing parts
can be easily integrated into a watch design.