The Casio G-Shock GW-M5610BA is a men's wristwatch with a quartz movement and a round black case made of resin. The watch features a two-piece black resin strap, a mineral crystal display, and is water-resistant up to 200 meters. It has a range of functions including an alarm, electro-luminescent (EL) backlight, and world time, as well as a perpetual calendar and chronograph. The watch is also shock-resistant and scratch-resistant, making it suitable for sports and outdoor activities.