Casio F-91W-1 Classic Quartz Digital Black Resin Strap Watch
- Sale price
- R 427
- List price
- R 569
The Casio F-91W-1 is an icon of functional design and enduring reliability. Since its introduction in 1989, this digital timepiece has become one of the world's most recognisable watches, beloved for its no-nonsense approach to timekeeping. Housed in a compact black resin case measuring 38.2mm lug-to-lug and just 8.5mm thick, the F-91W-1 delivers essential functions with remarkable efficiency: daily alarm, stopwatch, auto-calendar, and an LED backlight for low-light legibility. The high-contrast digital display with blue accent detailing ensures instant readability, whilst the lightweight 21-gram construction makes it disappear on the wrist.
Powered by Casio's robust quartz module 593, this watch offers an impressive approximate battery life of seven years on a single CR2016 cell—a testament to Japanese engineering precision. Water resistance ensures the F-91W-1 withstands splashes and brief immersion, making it suitable for everyday wear. The classic resin strap provides comfort and durability, whilst the retro-modern aesthetic has transcended decades of design trends. Whether you're drawn to its utilitarian heritage or its cult status among watch enthusiasts, the F-91W-1 represents exceptional value and timeless functionality.
At Cassims & Co., we are proud to offer the full range of CASIO watches as an authorised retailer. The F-91W-1 carries a 1-year international Casio warranty, and our watch servicing and repairs team is available for battery replacements and any technical support you may require. Priced at just R569.00, this legendary digital watch delivers unmatched reliability and character. Visit us at our Mall of the South boutique to experience the F-91W-1 in person, or enjoy fast nationwide delivery across South Africa when you order online.
Specifications
- Brand: Casio
- Model: F-91W-1
- Reference: F-91W-1D
- Movement: Quartz (Casio Module 593)
- Display: Digital LCD
- Case Material: Resin
- Case Dimensions: 38.2mm (L) × 35.2mm (W) × 8.5mm (H)
- Case Shape: Rectangular
- Dial Colour: Grey LCD with blue accent
- Strap Material: Resin
- Strap Colour: Black
- Water Resistance: Water resistant (not suitable for swimming or diving)
- Functions: Digital time display, daily alarm, stopwatch, auto-calendar, LED backlight, 12/24-hour format
- Battery: CR2016
- Battery Life: Approximately 7 years
- Weight: 21 grams
- Warranty: 1-year international Casio warranty
- Price: R569.00 (ZAR)
FAQ
Q: How long does the battery last in the Casio F-91W-1?
A: The F-91W-1 features an impressive approximate battery life of seven years on a single CR2016 battery, thanks to Casio's efficient quartz module 593. Actual battery life may vary depending on usage of the backlight and alarm functions.
Q: Is the Casio F-91W-1 suitable for swimming?
A: The F-91W-1 is water resistant but not designed for swimming or diving. It can withstand splashes, rain, and brief immersion, but should not be submerged or used in aquatic activities.
Q: What functions does the F-91W-1 offer?
A: This digital watch includes a daily alarm, stopwatch function, auto-calendar (pre-programmed until 2099), LED backlight for night-time visibility, and the choice of 12-hour or 24-hour time format display.
Q: How do I activate the backlight on this watch?
A: Press the upper-left button to activate the LED backlight. The light illuminates the entire digital display for approximately 1-2 seconds, providing excellent legibility in low-light conditions.
Q: Is the resin strap adjustable?
A: Yes, the resin strap features a standard buckle closure with multiple adjustment holes to fit a wide range of wrist sizes comfortably. The lightweight resin construction ensures all-day comfort.
Q: Does Cassims & Co. provide battery replacement services?
A: Absolutely. As an authorised Casio retailer, we offer professional battery replacement services at our Mall of the South boutique. Our watch servicing team can replace the CR2016 battery and pressure-test the watch to maintain its water resistance.
Q: What is the warranty coverage on the Casio F-91W-1?
A: The F-91W-1 includes a 1-year international Casio warranty from the date of purchase. This warranty covers manufacturing defects in materials and workmanship when purchased from an authorised retailer such as Cassims & Co.
Warranty
- The Casio F-91W-1 carries a 1-year international Casio warranty from the date of purchase
- The warranty is valid only when the watch is purchased from an authorised Casio retailer such as Cassims & Co.
- The warranty covers manufacturing defects in materials and workmanship under normal use
- The warranty does not cover normal wear and tear, including strap deterioration or surface scratches
- Battery replacement is not covered under warranty, as batteries are considered consumable items
- The warranty does not cover damage resulting from accidents, misuse, improper handling, or unauthorised repairs
- Water damage resulting from misuse or failure to observe water resistance limitations is excluded from warranty coverage
- Proof of purchase from an authorised retailer is required for all warranty claims
- Warranty service is provided through authorised Casio service centres
- Cassims & Co. is an authorised Casio retailer and can assist with warranty claims and after-sales support
Care Guide
- Wipe the watch case and resin strap regularly with a soft, slightly damp cloth to remove dirt, sweat, and oils
- Avoid prolonged exposure to direct sunlight, as UV rays can cause resin discolouration over time
- Do not expose the watch to extreme temperatures, solvents, cosmetics, or harsh chemicals
- Do not submerge the watch in water or use it whilst swimming, bathing, or diving
- If the watch comes into contact with salt water, rinse immediately with fresh water and dry thoroughly
- Have the battery replaced by an authorised service centre when the display becomes dim or functions slow down
- Store the watch in a cool, dry place away from magnetic fields and electronic devices
- Avoid dropping or subjecting the watch to strong impacts, as this may damage the quartz module or LCD display
- When not in use for extended periods, store the watch with the crown in the normal position