G-Shock GA100MMC-1A watch. This model is based on street fashion motifs, decorated with distinctive black and rose gold coloring. The black coloring of this model is a glossy black finish, while the face is accented with rose gold coloring. Base model is the popular large face digital-analog combination GA-700. The designs of this new variations incorporate the distinctively powerful aspects of the base model. All of this and more make this model the perfect choice for street fashion wear, as well for use while engaging in action sports, outdoor activities, and more. ISO764 Class Magnetic Resistance. Measuring Elapsed Time, Split Time, 1st & 2nd Place Times. 12/24-hour format. Imported.