Traser watches are renowned the world over as the finest outdoor watches and navigation instruments. Traser is a Swiss company who pride themselves in producing the finest military, sports and outdoor watches available to professionals and serious outdoor enthusiasts. These light sources, marketed as “trigalight®” are independent of a battery or any other source of outside energy, never need recharging or servicing and do not require the push of a button. They glow permanently and a 100 times brighter than anything comparable and have a guaranteed lifespan of at least 10 years. All Traser watches have a 10-year guarantee against faulty workmanship and defects.