This Casio G-Shock wristwatch is a limited edition collectible for men. It features a black case with a matte finish and a two-piece white strap. The watch has a square shape and a digital display. It is water-resistant up to 200 meters (20 ATM) and shock-resistant. The watch also has an annual calendar, alarm, backlight, and 12-hour dial. The bezel color is black, and the dial color is white. The watch is part of the G-Shock NASA collection, with a reference number of DW5600NASA21. The case size is 48.9 mm, and the case material is resin. This watch is perfect for both sport and casual wear, and it is a must-have for any watch collector.