Casio G-Shock GA-2100-1AER Men's Watch • Extreme Shock Resistance • Cult Watch

The Casio G-Shock GA-2100-1AER is a men's watch that combines legendary robustness with distinctive style. Its iconic, octagonal design and carbon-reinforced case structure make it a true cult watch for men who value durability and design. Thanks to Carbon Core Guard technology, this wristwatch is extremely shock-resistant and can withstand even the toughest conditions.

This watch is not only a visual highlight but also a technologically advanced timepiece ready for any adventure. Its slim profile ensures high wearing comfort in everyday life.

Special Features of the Casio GA-2100-1AER Watch

• Extreme shock resistance thanks to innovative Carbon Core Guard structure.
• Water resistant up to 20 bar, ideal for water sports and demanding use.
• Precise timekeeping with world time function, stopwatch, and 5 daily alarms.

Watch Care Instructions

Care & Cleaning

• Daily: Wipe the case and strap with a soft, dry cloth to remove dirt and sweat.
• Water-resistant watches: Clean with mild soapy water and a soft brush, rinse, and dry thoroughly.
  Important: Screw down the crown firmly beforehand!!!
• Not water-resistant: Clean only dry or slightly damp, do not use water or cleaning agents.
• Avoid: Abrasive agents, perfume, cosmetics, and heat.
• Leather straps: Do not soak, clean only slightly damp, and let dry away from heat.
• Water resistance: Do not wear when showering or bathing; have it checked annually.
• Battery (Quartz): Have a dead battery replaced immediately.
• Mechanical watches: Service every 5 years by a master watchmaker.

Storage & Handling

• Store the watch separately, not directly with other jewelry (risk of scratches).
• When winding mechanical watches, take them off; do not leave the crown pulled out.

Jewelry Care – How to Keep Your Jewelry Beautiful:

• Remove jewelry before showering, bathing, and sports.
• Avoid direct sun – wood, leather & co. can fade.
• Hands off – constant touching leaves grease and dirt.
• No aggressive cleaning agents such as chlorine, salt water, or disinfectants.
• Apply cosmetics and perfume first, then put on jewelry.