Casio W-738H-1AV Digital Quartz 10-Year Battery Black Resin Watch (W-738H-1AVDF)
- Sale price
- R 1,049
- List price
- R 1,399
✔In stock — ships same day (order before 2pm)
🚚1–2 day delivery nationwide
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The Casio W-738H-1AV is a purpose-built digital timepiece engineered for those who demand reliability without compromise. Housed in a robust 47mm resin case with a distinctive silver-tone bezel, this watch features Casio's renowned 10-year battery technology—delivering a decade of uninterrupted timekeeping from a single CR2032 cell. The high-contrast digital display presents time, date, and multiple functions with clarity, while the vibration alarm ensures you never miss an important moment.
Built to withstand the rigours of daily wear, the W-738H-1AV offers 100-metre water resistance, making it suitable for swimming and water sports. The integrated LED illuminator provides instant legibility in low-light conditions, and the durable resin strap ensures all-day comfort. At Cassim & Co., we are proud to offer this exceptional example of Japanese horological engineering, combining practical functionality with Casio's legendary build quality.
This timepiece represents outstanding value for those seeking a no-nonsense digital watch that simply works. Whether you're timing laps, setting multiple alarms, or simply need a dependable daily wearer, the W-738H-1AV delivers. Explore our complete range of CASIO watches to discover more precision timepieces built for modern life.
Visit us at our Mall of the South boutique to experience the W-738H-1AV first-hand, or take advantage of our nationwide delivery service across South Africa. Our team of horological specialists is available to answer any technical questions, and our watch servicing and repairs department ensures your Casio receives expert care throughout its lifetime.
Specifications
- Reference Number: W-738H-1AVDF (SKU: CO473)
- Movement: Quartz digital module
- Case Diameter: 47mm (L) × 42.8mm (W)
- Case Thickness: 13.5mm
- Case Material: Resin
- Bezel Material: Resin with silver-tone finish
- Crystal: Mineral glass
- Dial: Digital LCD display
- Strap/Bracelet: Black resin strap
- Water Resistance: 100 metres (10 bar)
- Functions: Time, date, vibration alarm, LED illuminator, stopwatch, dual time
- Battery Life: Approximately 10 years (CR2032)
- Weight: 43 grams
- Warranty: 1-year international Casio warranty
FAQ
Q: How long does the 10-year battery actually last?
A: Casio's 10-year battery specification is based on typical usage patterns. The CR2032 battery in the W-738H-1AV is engineered to provide approximately 10 years of operation under normal conditions, including regular alarm use and occasional illuminator activation. Actual battery life may vary depending on usage intensity.
Q: Can I swim with this watch?
A: Yes, absolutely. With 100-metre water resistance (10 bar), the W-738H-1AV is suitable for swimming, snorkelling, and water sports. However, it is not designed for scuba diving or high-impact water activities. Always ensure the crown and buttons are not operated while underwater.
Q: What is the vibration alarm feature?
A: The vibration alarm provides a silent, tactile alert that vibrates on your wrist rather than emitting an audible sound. This is particularly useful in meetings, cinemas, or any situation where a discreet reminder is preferred over a traditional beeping alarm.
Q: How bright is the LED illuminator?
A: The W-738H-1AV features Casio's LED backlight system, which illuminates the entire digital display with a bright, even glow. The illumination is activated by pressing the designated light button and provides excellent readability in complete darkness for approximately 1-2 seconds per activation.
Q: Is the resin strap adjustable?
A: Yes, the resin strap features a standard buckle clasp with multiple adjustment holes, allowing you to achieve a comfortable, secure fit for a wide range of wrist sizes. The strap is also easily replaceable should you wish to refresh your watch in the future.
Q: Does this watch have a stopwatch function?
A: Yes, the W-738H-1AV includes a digital stopwatch function, making it ideal for timing activities, workouts, or any task requiring precise elapsed time measurement. The module also supports dual time display, allowing you to track two time zones simultaneously.
Q: Can I replace the battery myself?
A: While battery replacement is technically possible for experienced users, we strongly recommend having it replaced by our professional watch technicians to maintain water resistance integrity and ensure the case back is properly resealed. Cassim & Co. offers battery replacement services for all Casio timepieces.
Warranty
- This Casio watch is covered by a 1-year international manufacturer's warranty from the date of purchase
- The warranty is valid only when purchased from an authorised Casio retailer such as Cassim & Co.
- Coverage includes manufacturing defects in materials and workmanship under normal use conditions
- The warranty does not cover normal wear and tear, including scratches, strap wear, or crystal blemishes
- Battery replacement is not covered under warranty, as batteries are considered consumable components
- Water damage resulting from improper use, failure to reseal the case after battery replacement, or operating buttons underwater is excluded
- Accidental damage, unauthorised modifications, or repairs performed by non-authorised service centres will void the warranty
- To claim warranty service, present your original proof of purchase from Cassim & Co. along with the watch
Care Guide
- Rinse the watch with fresh water after exposure to saltwater, chlorine, or sweat to prevent residue buildup
- Avoid operating buttons or crown while the watch is wet or submerged, as this may compromise water resistance
- Store in a cool, dry location away from direct sunlight and extreme temperatures when not in use
- Clean the resin case and strap regularly with a soft, damp cloth to remove dirt and oils
- Avoid prolonged exposure to chemicals, solvents, or strong detergents that may degrade the resin material
- Have the water resistance tested every 2-3 years if you regularly expose the watch to water
- Replace the battery with an authorised Casio service centre to ensure proper resealing and continued water resistance
- Avoid impact or dropping the watch, as this may damage the digital module or crystal