Case dimensions (H x W x D): 53.2 x 50 x 18.7 mm Bring your hidden sides to light with the G-SHOCK series "Hidden Glow" that glows in the dark. All models have luminescent parts within the dial that reveal a green glow in low light situations, accentuating each model's distinctive design. In addition, the main components of the watch are made from bio-based resin, produced using renewable organic resources. The result is a monochrome clock in grey tones with a fluorescent and eye-catching design.