Casio G8900A-1 men's G-Shock digital black resin blue dial dive watch carries a case diameter of 52mm and a case thickness of 16mm. Featured on this model is a fixed bezel, textured function pushers. The caseback on the Casio G8900A-1 is with four screws, maintaining the 200 meters water resistance. The strap is crafted in black resin and is secured using a buckle clasp. This dive watch has a blue dial with digital grey Arabic numeral hour markers. Casio G8900A-1 equipped with full auto LED backlight with afterglow, flash alert, world time with 31 time zones (48 cities), 5 daily alarms with 1 snooze alarm, hourly time signal, 1/100 second stopwatch, countdown timer, full auto calendar (pre-programmed until the year 2099), button operation tone on/off, solar rechargeable battery, shock resistant and power saving function. Protecting the dial is a mineral crystal designed to resist scratches. Powering this fashionable watch is a quartz movement.