![]() ![]() Watches were using radium as lume until the 1960s. Let’s focus on how the light was created and used in watchmaking as well as how the different methods of creating photons compare to one another in the luminescent material found on a watch. Photons are generally created when an electron spinning around an atom absorbs a photon and gets excited, once it calms down to a ground state, it releases a photon which we perceive as a phenomenon that we call light.īut let’s not get too distracted with light or quantum science. A photon is a stable particle that has no mass or electric charge and it travels at the speed of light. Light is a form of energy that materializes on the electromagnetic field as an elementary particle known as a photon which is a quantum particle of the EM field. How do luminescent watches work? In this article, we will answer all these questions and describe the various chemical processes which were used over the years by watchmakers to make things like hands, dials, numerals, hour markers, and more glow in the dark. ![]() For your convenience, we have made a chart that shows the difference. Which watch has the brightest Lume? There are various degrees of brightness and colors used.Read a bit about the different types of lume used throughout the history of the watch industry. ![]() Throughout the years, the watch industry has tried several different types of lume.
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