Casio G-Shock Watch - Green - GA-900DBR-3A

The Casio G-Shock GA-900DBR-3A is a durable analog-digital timepiece designed for reliable perform...

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Product Information

Full details

The Casio G-Shock GA-900DBR-3A is an ideal timepiece for outdoor enthusiasts, construction professionals, and individuals who demand high durability in a wristwatch. Its core strength lies in its rugged, impact-resistant design and reliable hybrid analog-digital display, making it a dependable tool for harsh environments. Users should note, however, that the watch features a bulky, tactical profile that may feel oversized on smaller wrists or look less traditional in formal settings.

All features

ColourGreen
SeriesG-Shock
Model Part NumberGA-900DBR-3A-F
BrandCASIO

Extended Product Information

FAQs

Is the GA-900DBR-3A waterproof?

It is water-resistant, making it suitable for swimming and showering, but it is not intended for deep-sea diving.

How do I change the time zone?

Enter the timekeeping mode, hold the 'Adjust' button, and use the forward/reverse buttons to select your local city code.

Does the watch have a backlight?

Yes, it features an integrated LED light for visibility in dark environments.

Can I replace the strap myself?

Yes, the strap is removable, though you will need a spring bar tool to perform the swap safely.

What battery does this watch use?

This model uses a standard silver oxide battery designed to last for several years under normal conditions.

Is the watch shockproof?

It is highly shock-resistant, built to withstand significant impact, though it should still be treated with reasonable care.

Troubleshooting

Analog hands are out of sync with the digital time

Use the 'Hand Home Position' adjustment feature found in the manual to recalibrate the hands to the 12:00 position.

Buttons are stiff or difficult to press

Soak the watch briefly in warm, fresh water and work the buttons gently to remove salt or grit buildup.

Display is faint or flickering

The battery likely requires replacement. Take the watch to an authorized Casio service center to ensure the water-resistant seal remains intact.

Pros and Cons

Pros

  • Extremely durable against impacts and drops
  • Water-resistant construction for all-weather use
  • Bold, functional tactical design
  • Easy-to-read hybrid display format
  • Long battery life common to the G-Shock series

Cons

  • Large physical footprint may feel heavy
  • Not suitable for formal or professional dress codes
  • Digital display can be harder to read in low light without the backlight

Setup, Compatibility & Care

To set the time, use the side buttons to access the adjustment mode, allowing you to cycle through city codes for time zones and adjust digital hours and minutes; the analog hands will typically synchronize automatically after the digital time is set. For care, rinse the watch with fresh water after exposure to saltwater or mud to prevent residue buildup on the buttons and strap. Avoid pressing buttons while submerged in water to maintain the integrity of the internal seals. The resin strap is compatible with standard cleaning methods—simply wipe with a damp, soft cloth to keep it free of dirt.

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