Casio Edifice Watch - EFB-109D-2AVEF

The EFB-109D is the newest sport chronograph addition to the Edifice line. Styled with a simple mo...

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Product Information

Full details

This guide is for owners of the Casio Edifice EFB-109D-2AVEF watch, offering a comprehensive overview of its features, usage, and care. This watch is ideal for those seeking a stylish and durable timepiece suitable for both casual and formal settings. The watch’s key benefit is its blend of classic design and sporty functionality. However, note that while it is water-resistant up to 100 meters, it is not designed for extreme diving.

All features

SeriesEdifice
Model Part NumberEFB-109D-2AVEF
BrandCASIO

Extended Product Information

FAQs

How do I set the time?

Pull out the crown to the second click and rotate it to set the time.

How water resistant is the watch?

The watch is water-resistant up to 100 meters.

What kind of crystal does the watch have?

The watch features a sapphire crystal for scratch resistance.

How long does the battery last?

The battery is designed to last for approximately 3 years.

Can I wear this watch while swimming?

Yes, the watch is suitable for swimming due to its 100-meter water resistance.

How do I use the chronograph?

Press the top button to start/stop the chronograph. Press the bottom button to reset it.

Where can I get the battery replaced?

Take the watch to a qualified watch repair shop for battery replacement.

What is the material of the case and bracelet?

The case and bracelet are made of stainless steel.

Troubleshooting

Watch is not running.

Check the battery. If the watch is new, ensure the crown is pushed in completely. If the watch still doesn't work, consider battery replacement.

Chronograph hands are not aligning.

Refer to the manual for instructions on how to reset the chronograph hands to their default positions.

Fogging under the crystal.

This may indicate water has entered the watch. Seek professional service to prevent damage to the internal components.

Pros and Cons

Pros

  • Durable stainless steel construction.
  • Scratch-resistant sapphire crystal.
  • Water-resistant up to 100 meters.
  • Stylish design suitable for various occasions.
  • Long battery life (3 years).

Cons

  • Battery replacement required after 3 years.
  • Not suitable for extreme diving.
  • The chronograph functions may require specific knowledge to operate.

Setup, Compatibility & Care

Setting Up

The watch does not require initial setup. Adjust the time and date by pulling out the crown.

Compatibility

This watch is a standalone device and does not require any external devices.

Care

  • Cleaning: Clean the watch with a soft, damp cloth. Avoid using harsh chemicals.
  • Water Resistance: Ensure the crown is fully pushed in to maintain water resistance.
  • Storage: Store the watch in a clean, dry place when not in use.
  • Battery Replacement: The battery should be replaced by a professional.