I only took it out of the box for confirmation and have not worn it. The following is an excerpt from the official website: The second collaboration between "MOTHER" and G-SHOCK is the Mother Red GW-6900! Announcing a new collaboration between the Hobonichi MOTHER Project and Casio G-SHOCK. This is the second MOTHER special edition G-SHOCK, which has been a hot topic among many fans. Specifications: Case size: 53.2 mm (length) x 50 mm (width) x 17.7 mm (thickness) Weight: 63 g Case/Bezel material: Resin Band: Resin band Glass: Mineral glass Structure: - Shock-resistant structure (Shock Resist) - 20-bar water resistance - Radio-controlled watch (Japan, North America, Europe, and China compatible MULTIBAND6) - Tough Solar (solar charging system) GW-6900MOT24-4JR Model/Product Name...G-SHOCK Product number...GW-6900