Casio G-Shock GA-2100-4AER Men's Watch • Extreme Shock Resistance • Iconic Retro Design

The Casio G-Shock GA-2100-4AER is a men's watch that combines legendary robustness with a stylish, slim design. Thanks to the innovative Carbon Core Guard structure, this wristwatch is exceptionally durable and shock-resistant, while remaining lightweight and comfortable to wear. Its iconic octagonal case gives it a distinctive retro charm, making it a real eye-catcher.

Special Features of the Casio GA-2100-4AER Watch

• Extreme Shock Resistance: The Carbon Core Guard structure reliably protects the module from impacts and vibrations.
• Water Resistant up to 20 Bar: Perfectly suited for swimming, snorkeling, and demanding water activities.
• Slim & Iconic Design: A modern interpretation of the classic G-Shock look in a lightweight case.

Care Instructions for Wristwatches

Care & Cleaning

• Daily: Wipe 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, dry thoroughly.
  Important: Screw down the crown firmly beforehand!!!
• Non-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 allow to dry away from heat.
• Water resistance: Do not wear for 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 watch separately, not directly with other jewelry (risk of scratches).
• Take off mechanical watches when winding, do not leave 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, salt water, or disinfectants.
• Apply cosmetics and perfume first, then put on jewelry.