Casio G-Shock GA-2100-9A9ER Men's Watch • Carbon • Octagon

The Casio G-Shock GA-2100-9A9ER is the perfect combination of robust technology and striking design. This men's watch in vibrant yellow captivates with its flat design and distinctive, octagonal case, which has enthralled fans worldwide.

Thanks to the innovative Carbon Core Guard structure, this wristwatch is extremely durable yet light on the wrist. Whether for sports or everyday life – it offers maximum reliability and an unmistakable style.

Special Features of the Casio GA-2100-9A9ER Watch

• Carbon Core Guard: The carbon fiber-reinforced case structure optimally protects the module from shocks and impacts.
• Iconic Octagon Design: The octagonal bezel is reminiscent of the first G-Shock and gives the watch its modern retro look.
• Extreme Durability: With water resistance up to 20 bar, it is ideal for water sports enthusiasts and outdoor adventurers.

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 the crown down tightly beforehand!!!
• Not waterproof: 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 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 sunlight – wood, leather & co. can fade.
• Hands off – constant touching leaves grease and dirt.
• No aggressive cleaning agents such as chlorine, saltwater, or disinfectants.
• Apply cosmetics and perfume first, then put on jewelry.