The new Traser Officer Pro model features a 42mm diameter, gun metal plated stainless steel case with black dial. Comes with a black nylon strap, 12 hour and 24 hour markings, an anti-reflecitve sapphire crystal, and a Swiss quartz movement with a date function. Green Tritium lights are at each hour markings except for 12:00 which is orange. Hour and minute hands are fitted with green Tritium lights. The watch is ideal for daily wear and can be fitted with optional straps you may own, if desired. Movement: Swiss quartz (battery operated) Case: Gun metal plated steel, 42mm x 10.5mm thick. Back: Solid screw-in back Crystal: Anti-Reflective Sapphire Band: Black nylon, 22mm lug Water Resistant: 100 meters