Casio G-Shock GA-100B-4A Quartz Analog-Digital Red Resin Watch (GA-100B-4ADR)
- Price
- R 3,299
The Casio G-Shock GA-100B-4A is an iconic statement of resilience and bold design, engineered for those who demand uncompromising durability from their timepiece. Encased in a vibrant red resin case and bezel measuring 51.2mm in width, this watch combines G-Shock's legendary shock-resistant construction with magnetic resistance and an impressive 200-metre water resistance rating. The multi-layered dial presents both analog and digital displays in striking contrast against the black face, featuring luminous hands and markers, multiple chronograph sub-dials, and digital readouts that deliver instant access to timekeeping functions. Powered by a reliable quartz movement with an approximate two-year battery life on CR1220, the GA-100B-4A exemplifies the technical prowess that has made G-Shock the world's most trusted tough watch.
At Cassims & Co., we are proud to be an authorised retailer for CASIO watches, ensuring that every G-Shock we offer is backed by the manufacturer's international warranty and genuine craftsmanship. The GA-100B-4A's resin band delivers exceptional comfort and flexibility, while the robust 55mm lug-to-lug case dimension ensures a commanding wrist presence. Whether you're timing your next adventure, navigating challenging environments, or simply making a bold style statement, this watch is purpose-built to perform.
The GA-100 series represents G-Shock's commitment to combining cutting-edge functionality with street-smart aesthetics. The red colourway of this particular reference adds an unmistakable energy to the collection, making it a standout choice for collectors and everyday wearers alike. Weighing just 70 grams, the watch remains comfortable for all-day wear despite its substantial visual impact. Our watch servicing and repairs team is always on hand to assist with battery replacements and technical support, ensuring your G-Shock continues to perform flawlessly for years to come.
We invite you to experience the GA-100B-4A in person at our Mall of the South boutique in Johannesburg, where our horological specialists can guide you through the full range of G-Shock's technical capabilities. With nationwide delivery available across South Africa, owning this exceptional timepiece has never been more accessible.
Specifications
- Reference Number: GA-100B-4ADR
- Barcode: 4971850948322
- Movement: Quartz (battery-powered)
- Case Material: Resin
- Case Diameter: 51.2mm (W)
- Case Thickness: 16.9mm
- Case Size (L × W × H): 55 × 51.2 × 16.9mm
- Bezel Material: Resin
- Dial Colour: Black with red accents
- Display Type: Analog-Digital combination
- Strap/Bracelet Material: Resin band
- Strap Colour: Red
- Water Resistance: 200 metres (20 ATM)
- Weight: 70g
- Special Features: Shock resistant, magnetic resistant
- Power Supply: CR1220 battery
- Battery Life: Approximately 2 years
- Gender: Men's
FAQ
Q: What is the water resistance rating of the GA-100B-4A?
A: The Casio G-Shock GA-100B-4A is water resistant to 200 metres (20 ATM), making it suitable for recreational scuba diving, swimming, snorkelling, and water sports. It should not be used for saturation diving or with helium-enriched breathing gases.
Q: How long does the battery last in this G-Shock model?
A: The GA-100B-4A is powered by a CR1220 battery with an approximate lifespan of two years under normal use. Battery replacement services are available through our authorised service centre.
Q: Is this watch suitable for everyday wear and sports activities?
A: Absolutely. The G-Shock GA-100B-4A is engineered with shock-resistant construction and magnetic resistance, making it ideal for rigorous daily wear, outdoor adventures, fitness training, and extreme sports.
Q: What does the analog-digital display show?
A: The watch features analog hands for traditional timekeeping alongside multiple digital readouts that provide additional functions such as chronograph, world time, alarms, and date display, giving you comprehensive timekeeping capability at a glance.
Q: Can I adjust the resin band to fit my wrist?
A: Yes, the resin band features a traditional pin-and-buckle clasp with multiple sizing holes, allowing for easy adjustment to fit a wide range of wrist sizes. Our team at the Mall of the South boutique can assist with fitting.
Q: Does this watch come with an international warranty?
A: Yes, when purchased from Cassims & Co. as an authorised Casio retailer, the GA-100B-4A includes a 1-year international manufacturer's warranty covering defects in materials and workmanship.
Q: What makes the G-Shock series so durable?
A: G-Shock watches employ a hollow-structured case and module suspension system that protects the internal mechanism from impact. Combined with the resin case construction, magnetic resistance, and high water resistance, these watches are built to withstand extreme conditions that would damage conventional timepieces.
Warranty
- This watch carries a 1-year international Casio warranty from the date of purchase, valid when purchased from an authorised retailer such as Cassims & Co.
- The manufacturer's warranty covers defects in materials and workmanship under normal use conditions.
- The warranty does not cover: normal wear and tear, battery replacement, damage to the resin case or band from chemicals or UV exposure, accidental damage, water damage resulting from misuse or failure to observe water resistance guidelines, unauthorised repairs or modifications, or damage from extreme impact beyond the watch's shock-resistant specifications.
- To validate your warranty, retain your original purchase receipt from Cassims & Co. and register your watch with Casio if applicable.
- Warranty service must be performed by an authorised Casio service centre. Unauthorised repairs will void the warranty.
- Battery replacement is considered a routine maintenance procedure and is not covered under warranty, though it can be performed at any authorised service centre.
- Cassims & Co. offers ongoing after-sales support including battery replacement services, strap adjustments, and technical assistance for all watches purchased from us.
Care Guide
- Rinse the watch with fresh water after exposure to saltwater, chlorine, or sweat to prevent residue buildup on the resin case and band.
- Dry the watch thoroughly with a soft, lint-free cloth after exposure to moisture.
- Avoid exposing the watch to extreme temperatures, direct sunlight for prolonged periods, or harsh chemicals including solvents, detergents, and cosmetics which may damage the resin.
- Do not operate the buttons or crown while the watch is wet or submerged, as this may compromise water resistance.
- Store the watch in a cool, dry place away from magnetic fields and direct sunlight when not in use.
- Have the battery replaced by an authorised service centre when the digital display dims or timekeeping becomes irregular—do not attempt to replace the battery yourself, as this may void the warranty.
- If the watch has been subjected to significant impact or shows signs of damage to the case or crystal, have it inspected by a qualified watchmaker to ensure water resistance integrity.
- Clean the resin band periodically with mild soap and water using a soft brush to remove dirt and oils, then rinse and dry completely.
- Avoid prolonged exposure to UV light, which may cause the red resin to fade over time.