The Gaseous Tritium Light Sources (GTLS) make this one of the most visible watches in low-light or nighttime conditions
free from the aggravating ticking sound common in most quartz wall clocks
and performance justify its use in higher-end watches
Bezel: Upgraded to a 120-click bezel versus the earlier 60 or 90-click versions
20mm FKM (Smooth) Rubber Strap with Quick Release Feature for Fast and Easy Fitting and Removal chronograph The Gaseous Tritium Light SourcesFKM1 FKM, short for Fluoroelastomer, is a high performance synthetic rubber known for its exceptional density, durability, and resistance to water, chemicals, oil, and heat. Originally developed for aerospace applications, FKM was designed to meet the stringent reliability and longevity requirements of aircraft and space missions. These qualities make FKM straps highly favored by military personnel, police officers, and professional divers, as they