Casio G-Shock GA-2100-1A2ER Men's Watch • Extreme Shock Resistance • 20 Bar Water Resistance

The Casio G-Shock GA-2100-1A2ER is an exceptional men's watch known for its extreme robustness and striking design. This wristwatch was developed for men who demand uncompromising durability while also valuing style. Its impressive shock resistance reliably protects the precise quartz movement during all activities, while its high water resistance of 20 bar makes it the perfect companion for adventures in and on the water.

Special Features of the Casio GA-2100-1A2ER Watch

• Extreme Shock Resistance: Thanks to legendary G-Shock technology, this watch withstands the toughest conditions without problems.
• 20 Bar Water Resistance: Perfectly suited for swimming, snorkeling, and many water sports.
• Smart World Time Function: Easily keep track of time in different time zones.

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, and dry thoroughly.
  Important: Screw down the crown tightly beforehand!!!
• Not waterproof: Clean only dry or slightly damp, do not use water or cleaning agents.
• Avoid: Aggressive 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 when showering or bathing, have it checked annually.
• Battery (quartz): Have a dead battery replaced immediately.
• Mechanical watches: Service by a master watchmaker every 5 years.

Storage & Handling

• Store the watch separately, not directly with other jewelry (risk of scratching).
• Take off mechanical watches when winding, do not leave the crown pulled out.

Jewellery Care – How to keep your jewellery beautiful:

• Remove jewellery 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 jewellery.