WHY DO SOME WATCHES GLOW ALL NIGHT? Lume, Super-LumiNova and Tritium Explained

Time Will Tell

Sep 28 2026 | 00:02:54

00:00 / 00:02:54

Show Notes

Download free software at https://www.grandfatherclockchimes.com Why do some watches glow much longer than others? This episode compares photoluminescent materials such as Super-LumiNova with self-powered tritium gas tubes, explains how charging and decay work, discusses older radium and tritium paints, and shows why application thickness, marker size, color, and persistence all affect nighttime readability. Production note: Charlotte Evans is an AI-generated host using a synthetic voice.

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