Core Features of the Casio G-Shock:

• G-Shock watches are water-resistant to at least 10 bars or 100 metres.
• The hands and indices of the models are luminescent. 
• Incredibly durable, the watch is shock-resistant, vibration resistant and centrifugal force resistant. 

Model Specifications GA-B001CY-1AER:

• The black case of the dual-display watch is made of carbon-reinforced resin. 
• The black dial with yellow accents gives the watch a cool and versatile look. 
• A hard mineral glass encases the dial. 
• Amongst the many functions featured on the watch are 5 daily alarms, a date and weekday display, an LED backlight, a countdown timer, and a stopwatch alongside a world timer. 
• Once set, an automatic calendar keeps the date display accurate without adjustments.
• With a push of a button, hands move away from the LCD to permit free visibility. 
• The button tones on the mode button can be switched off for discreet operation. 
• A black silicone strap secures the watch to the wrist. 
• The watch is water-resistant up to 200 metres (20 bar).
• Movement type - Quartz.