Casio G-Shock GBA-900-1AER Men's Watch • Extreme Shock Resistance • Smart Features

The Casio G-Shock GBA-900-1AER is a highly functional men's watch that combines extreme robustness with smart technology. Thanks to its legendary shock resistance and Bluetooth connectivity, this wristwatch becomes an indispensable companion for training and everyday life. Track your activities precisely and always stay connected.

Special Features of the Casio GBA-900-1AER Watch

• Smart Training Functions: Connect the watch to your smartphone via Bluetooth® to access GPS and analyze training data such as distance, speed, and calorie consumption.
• Legendary Shock Resistance: The proven G-Shock construction reliably protects the movement from shocks, impacts, and vibrations during any athletic challenge.
• Excellent Readability: The innovative Memory-in-Pixel (MIP) display, together with the Super Illuminator, ensures a clear and high-contrast display even in poor lighting conditions.

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.