Casio G-Shock Pro MTG-B4000-1AER Men's Watch • Tough Solar with Bluetooth • Sapphire Crystal

The Casio G-Shock Pro MTG-B4000-1AER is an exceptional timepiece from the MT-G line, combining cutting-edge materials with the rugged DNA of G-SHOCK. The case merges laminated carbon and fibreglass plates with polished stainless-steel bezel elements — an AI-optimised design developed in close collaboration with human engineers. The result is an organic form that unites strength and beauty at an entirely new level.

Technically, the MTG-B4000-1AER delivers outstanding reliability: the Tough Solar system ensures a constant power supply, Multiband 6 receives radio time signals in up to six time zones daily, and Bluetooth connectivity with the CASIO WATCHES App enables effortless smartphone control. Triple G Resist protects against shock, centrifugal force and vibration, while the highly transparent sapphire crystal with anti-reflective coating guarantees optimal legibility. The watch is Made in Japan and water-resistant to 20 bar.

Key Features of the Casio MTG-B4000-1AER Watch

• Tough Solar with Multiband 6 and Bluetooth: Solar-powered, radio-controlled and easily managed via smartphone for precise timekeeping across 39 time zones.
• AI-Optimised Carbon/Stainless-Steel Case: Dual Core Guard structure of laminated carbon and fibreglass plates with Triple G Resist against shock, centrifugal force and vibration.
• Sapphire Crystal with Anti-Reflective Coating: Scratch-resistant sapphire crystal and intricate dial craftsmanship by Yamagata Casio for outstanding legibility and detail quality.

Care Instructions for Wristwatches

Care & Cleaning

• Daily: Wipe case and bracelet with a soft, dry cloth to remove dirt and perspiration.
• Water-resistant watches: Clean with mild soapy water and a soft brush, rinse, dry thoroughly.
  Important: Screw the crown down firmly beforehand!!!
• Not water-resistant: Clean only dry or slightly damp, do not use water or cleaning agents.
• Avoid: Harsh chemicals, 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 in the shower or bath, have it tested annually.
• Battery (quartz): Have a depleted battery replaced immediately.
• Mechanical watches: Service by a master watchmaker every 5 years.

Storage & Handling

• Store the watch separately, not in direct contact with other jewellery (risk of scratching).
• Place mechanical watches on a flat surface when winding, do not leave the crown pulled out.