These Bell & Ross watches have automatic movements which will keep them running and keeping time accurately with using only the energy from your body movements. The watch displays time in: hours, minutes, seconds and it also has three fully functional subdials which display 12-hour, 30-minute and 60-second counters) The case has polished satin over a tough stainless steel, also the steel is glass bead blasted with black powder coating. The cases of these various watches come in titanium or pink gold with black steel. The dials variations come in: black, white silvery dial or even a carbon finish dial. The glass is made of sapphire crystal which is anti-reflective as well as scratch resistant. Straps come in leather, synthetic fiber, or rubber.