GTLS stands for gaseous tritium light source. Tritium is a natural hydrogen atom that has an atomic weight of 3. H3 is perfectly sealed in a glass tube painted with phosphorescent. Combined it together will creates reactions of a luminous light especially at night.
This light is glowing continuously in the dark, Its is ideal for a night watch. Get the latest tritium watch now at all for one click shop. See details on tritium watch below:
Item Type: Quartz Wristwatches Band Width: 20mm Feature: Auto Date,Complete Calendar,Water Resistant,Swim Clasp Type: Push Button Hidden Clasp Movement: Quartz Band Length: 22cm Case Shape: Round Boxes & Cases Material: Leatherette Water Resistance Depth: 3Bar Dial Window Material Type: Hardlex Dial Diameter: 40mm Style: Fashion & Casual Case Thickness: 6mm Band Material Type: Stainless Steel Case Material: Stainless Steel