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Casio G-Shock GD100-1B | Men's Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery
Casio G-Shock GD100-1B | Men's Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery
Shock-resistant sport watch in all black featuring World time and automatic LED light
Casio G-Shock GD100-1B | Men's Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery
Item #: 93495

Casio G-Shock GD100-1B | Men's Tough Digital Watch | 200M Water Resistant | High-Brightness LED | Dual Time & 7-Year Battery

Item #: 93495

KES 14163

KES 20184

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Shock-resistant sport watch in all black featuring World time and automatic LED light
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What Stands Out

Shock Resistance
Designed to withstand extreme conditions, this watch is shock resistant, making it perfect for sports enthusiasts and adventurers, ensuring durability during rigorous activities.
Multi-Functional
Equipped with various functions including a stopwatch, countdown timer, and world time, this watch caters to diverse needs, enhancing its practicality for athletic and daily use.
Stylish Design
Featuring a sleek black design, the GD100-1BCR combines style and functionality, making it suitable for both casual and active wear, appealing to a wide range of fashion-conscious users.

Product Details

Shop the latest Casio G-Shock X-Large Digital Reverse LCD GD100-1B watch at Ubuy Kenya [Country]. Explore our wide collection of Casio watches and choose from solar-powered, radio-controlled, and Bluetooth-synced timepieces.
  • Shock-resistant sport watch with World time and automatic LED light
  • 1/100 second stopwatch, five alarms, countdown timer, 12/24-hour formats, multi-home time, and flash alert
  • 51.2 mm resin case with mineral dial window
  • Quartz movement with digital display
  • Molded resin band with buckle closure
  • Water resistant to 200 m (660 ft), suitable for professional marine activity and serious surface water sports
Is Discontinued By Manufacturer No
Product Dimensions 1 x 1 x 1 inches (2.5 x 2.5 x 2.5 cm); 2.5 ounces (70.88 grams)
Item model number GD100-1B
Department WATCHES
Batteries 1 Lithium Metal batteries required. (included)
Date First Available October 4, 2010
Manufacturer Casio
DisplayDigital
Watch Movement TypeJapanese Quartz
Additional FeaturesShock Resistant, Water Resistant
Power SourceBattery Powered
Strap TypeRemovable
Water Resistance Depth200 Meters
Sport Typewater sports
Clasp TypeBuckle
Water Resistance LevelWater Resistant
Embellishment FeatureCrystal
Closure TypeBuckle
Style NameSport
ShapeRound
Band ColorBlack
Dial ColorBlack
ThemeSports
PatternDigital
Face StyleLinen
Bezel ColorBlack
Brand NameCasio
Model NameG-Shock
Included ComponentsCasio G-Shock X-Large Digital Reverse LCD GD100-1B
Model NumberGD100-1B
Series Number100
Item Weight2.5 Ounces (70.88 grams)
Global Trade Identification Number00079767925109, 04971850925118
UPC079767925109 961613281715 709011311869
Manufacturer Part NumberGD100-1B
Unit Count1 Count
Age Range DescriptionAdult
Item Type NameCasio G-Shock X-Large Digital Reverse LCD GD100-1B
Band Material TypeResin
Case Material TypeResin
CrystalMineral Glass
Case Diameter51.2 Millimeters
Band Width21 Millimeters
Case Thickness17.4 Millimeters
Band Length210 Millimeters
Bands1
Item display length4.79 inches (12.2 cm)
Item width1 inches (2.5 cm)
MaterialResin
Metal typeGreen Gold, Fine Silver, Alloy
Clasp typeBuckle
Item type nameCasio G-Shock X-Large Digital Reverse LCD GD100-1B

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Outdoor Enthusiasts

    Ideal for hikers and campers due to its durable build and reliable weather resistance features.

  • Fitness Buffs

    Great for athletes; it includes a timer, stopwatch, and multiple alarms for exercise tracking.

  • Elder Users

    User-friendly design with large digits makes it suitable for senior users who need readability.

Not Suitable For
  • Fashion-Only Consumers

    Those seeking a fashion watch may not appreciate its rugged, sporty appearance.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the key features of the Casio G-Shock GD100-1B?

    Answer: The Casio G-Shock GD100-1B boasts several key features including a robust 200M water resistance, a high-brightness LED light for visibility in low-light conditions, dual time function for tracking multiple time zones, and an impressive battery life of up to 7 years. These features make it suitable for outdoor activities, travel, and everyday wear, ensuring durability and reliability.
  • Question: Is the Casio G-Shock GD100-1B suitable for swimming and diving?

    Answer: Yes, the Casio G-Shock GD100-1B is rated for 200M water resistance, making it ideal for swimming, snorkeling, and recreational diving. This high level of water resistance ensures that the watch can withstand the pressure and exposure to water, allowing users to enjoy water sports without the worry of damaging their device.
  • Question: What is the battery life of the Casio G-Shock GD100-1B?

    Answer: The Casio G-Shock GD100-1B is equipped with a long-lasting battery that can typically provide power for up to 7 years. This extended battery life minimizes the need for frequent replacements, making it a convenient choice for users who want to enjoy their watch without regular interruptions for battery changes.
  • Question: Does the Casio G-Shock GD100-1B have an alarm feature?

    Answer: Yes, the Casio G-Shock GD100-1B features a multi-alarm system, allowing users to set up to 5 daily alarms. This feature is especially handy for reminders throughout the day, transitioning it from just a watch to a practical tool for time management in both professional and personal settings.
  • Question: What makes the Casio G-Shock GD100-1B a tough watch?

    Answer: The Casio G-Shock GD100-1B is designed specifically to withstand extreme conditions, thanks to its shock-resistant structure and durable construction. The combination of its robust materials, water resistance, and specialized design means it can endure outdoor adventures, sports activities, and daily wear without compromising on performance.
  • Question: Can I use the Casio G-Shock GD100-1B for outdoor activities?

    Answer: Absolutely! The Casio G-Shock GD100-1B is tailored for outdoor enthusiasts. With features like dual time, water resistance, and an easy-to-read digital display, it’s perfect for hiking, camping, and other adventures, ensuring you stay on schedule and informed in various environments.
  • Question: How does the dual-time feature work on the GD100-1B?

    Answer: The dual-time function on the GD100-1B allows users to set two different time zones simultaneously. This is particularly useful for frequent travelers or individuals who communicate with people in different regions, enabling them to keep track of local time effortlessly.
  • Question: Is the display of Casio G-Shock GD100-1B readable in sunlight?

    Answer: Yes, the Casio G-Shock GD100-1B is built with a high-brightness LED display that ensures visibility even in direct sunlight. This makes it a great companion for outdoor activities, where lighting conditions can vary, allowing users to easily view the time and other functions at any time of day.
  • Question: What materials is the Casio G-Shock GD100-1B made from?

    Answer: The Casio G-Shock GD100-1B features a resin band and a rugged plastic case, designed to endure tough conditions while being lightweight. This combination ensures a comfortable fit while still holding up against shocks, impacts, and environmental elements, making it ideal for active lifestyles.
  • Question: Where can I buy Casio G-Shock GD100-1B in Kenya?

    Answer: You can purchase the Casio G-Shock GD100-1B from Ubuy, which offers a wide selection of digital watches including this sturdy timepiece. Ubuy not only provides competitive prices but also reliable shipping options, making it a preferable choice for acquiring quality products online.

Casio Wrist Watches GD100-1B Editorial Review

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“The product received very good packaging & safe…Thank You”

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“Not madly expensive like I thought, and much quicker than promised.”

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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