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Casio G-Shock GBA-900UU-3AER • Men's Watch

Smart Features • Extreme Shock Resistance

Model: GBA-900UU-3AER

Regular price £118.14
RRP Regular price £118.14 Sale price £118.14
Incl. VAT.

incl. VATplus shipping

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Casio G-Shock G-Squad

Description

The Casio G-Shock GBA-900UU-3AER is the perfect wristwatch for the modern, active man. It combines legendary G-Shock durability with smart Bluetooth features for your training. Connect the watch to your smartphone to track your fitness goals and benefit from the extreme shock resistance that protects this watch during every challenge. 

Special features of the Casio GBA-900UU-3AER watch

  • Smart connectivity: Thanks to the Bluetooth® connection to the CASIO WATCHES app, training data can be easily managed and watch settings can be adjusted conveniently.
  • Integrated step tracker: The accelerometer measures your steps, providing ideal support in reaching your daily fitness goals.
  • Legendary G-SHOCK durability: The shock-resistant case provides reliable protection against impacts and vibrations, while the watch is water-resistant up to 20 bar.

This watch is part of the popular G-SHOCK G-SQUAD collection, which was specifically developed for peak athletic performance.

Care instructions

Watch Care Instructions

Care & Cleaning

  • Daily: Wipe the 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 the crown down tightly beforehand!!!
  • Not water-resistant: 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 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 every 5 years by a master watchmaker.

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.

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 like chlorine, salt water, or disinfectants.
  • Apply cosmetics and perfume first, then put on jewelry.

Specifications

All details of the Casio GBA-900UU-3AER at a glance.

Basic data

Target group
Men
Style / Occasion
Sport
Manufacturer
Casio
Model series / Collection
G-Shock G-Squad
Model number
GBA-900UU-3AER
Manufacturer model number
GBA-900UU-3AER
EAN / GTIN
4549526322662
Display type
Analog-to-Digital
Water resistance in bar
20
Other features
Bluetooth, Pedometer, Phone Finder, World Time, Lap Memory, LED Light, Shockproof

Case & Construction

Case material
Resin
Case colour
Green
Case diameter in mm
48.9
Case shape
Round
Case height in mm
16.6
Weight
61 g
Bezel material
Fixed
Watch glass
Mineral glass
Case back
Screwed

Dial & Display

Dial colour
Black
Numerals & Indices
Line Index
Second hand
No
Luminous material (Lume)
Yes (pointers only)

Movement & Drive

Drive type / Movement
Quartz (Battery)
Calibre / Movement
5641
Date display
Yes
Stopwatch function
Yes
Day display
Yes
Timer
Yes
Number of batteries
1

Strap & Clasp

Strap material
Resin
Strap colour
Green
Strap width in mm
28
Clasp
Pin buckle
Quick-release system
No
Max. wrist circumference
21.5 cm

Questions about this product?

We're happy to help.

Shipping & returns

Shipping

We ship with DHL GoGreen; large items such as grandfather clocks are sent by freight carrier.

Shipping costs for your country are shown in the cart.

All shipping information

Returns

You have 100 days to try your order at your leisure. If something isn't right, simply send it back.

Cancellation policy

Casio

Casio – Functional Watches for Modern Everyday Life

Casio became known in the 1970s for wristwatches that redefined technology and everyday usability. Digital displays, innovative functions, and robust construction made the brand popular worldwide.

To this day, Casio wristwatches stand for reliability and practical use. They are aimed at people who value functionality, durability, and a clear price-performance ratio.

Christian Wagner

Shop Worry-Free & Securely

Whether for yourself or as a gift: We guarantee you 100% original products from renowned manufacturers. Your order will leave our premises insured and will reach you the very next business day.

Should the item not fit perfectly, take advantage of our generous 100-Day Returns – uncomplicated and free of charge. Experience for yourself why over 13,000 customers have found their timepieces with us.

We answer your questions

  • Telephone

    +49 (0) 540 580 444 60

    Sara & Emilia will personally advise you:
    Mon–Fri: 9:30 AM–5 PM

  • Email

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    hours.

  • Service Center

    Complaint or return?

    You'll find quick answers in our Service Center

  • 100-day return policy

    Test in peace – full refund, no questions asked

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