Engineer Master II DLC Yellow BL-432

A timeless vision of accuracy under adverse conditions. The Ball solution to reading time in the dark is the Self Powered Micro Gas Lights (3H). The 3H micro gas lights glow up to 100 times brighter than luminous paints for up to 25 years, they do not require charging from any outside light source or power source. The encapsulated tritium gas poses no risk to the wearer over the life of the watch!