"ProTek The Name Defines the Brand. PRO: For professionals at the top of the their craft and others on their journey to the top. Those who put in the time, make countless sacrifices and stop at nothing to pursue perfection. Nothing less is accepted. TEK: For the innovative, self-powered Swiss illumination built into every watch. ProGlo illumination provides a non-stop continuous glow for up to 25 years, enabling the viewer to see and read time at-a -glance, even in total darkness. ProTeks blend of professionalism and technology, incorporating elite performance and great style, makes it the ideal daily-wear timepiece for a wide array of people.ProTek was named an Official Watch of the USMC. The accuracy, durability and superior ProGlo illumination make these ideal timepieces to serve Marines in the line of duty, and in their daily lives.