The Casio F-91W-9DG stands as an unquestioned global icon in digital horology. Known worldwide for its lightweight construction, unbeatable toughness, and nostalgic design, this particular variant elevates the classic silhouette with a sleek gold trim frame surrounding the digital display. Whether you are adding to a curated watch collection or looking for an ultra-reliable daily companion, the Casio F-91W-9DG delivers unbeatable performance. At Ranasinghe Watch Works, we take pride in offering 100% genuine Casio timepieces to watch enthusiasts across Sri Lanka.

Premium Design

The design of the Casio F-91W-9DG is rooted in clean functionality and timeless retro appeal. Its slender, lightweight profile sits comfortably on wrists of all sizes without ever feeling bulky. The highlight of the F-91W-9DG is its signature metallic gold border trim set against a dark face plate, adding a refined accent to the iconic rectangular LCD casing. It easily transitions from casual weekend wear to work setups, making it a versatile choice for anyone who appreciates practical classic style.

Dial Features

The digital display of the F-91W-9DG is designed for effortless legibility at a quick glance. The high-contrast liquid crystal display (LCD) clearly showcases the current time (switchable between 12-hour and 24-hour formats), day of the week, and exact date. A built-in micro LED light illuminates the screen in low-light conditions, ensuring clear visibility whenever you need it.

Case Features

Crafted from durable black resin, the case of the Casio F-91W-9DG is engineered to absorb daily impacts and resist wear. Measuring approximately 38.2mm long by 35.2mm wide with a slim thickness of just 8.5mm, this ultra-compact case profile fits easily beneath shirt sleeves and jacket cuffs. The push-buttons are ergonomically integrated into the sides for easy operation of modes, illumination, and time adjustments.

Movement

At the core of the Casio F-91W-9DG lies a high-precision Japanese digital quartz movement (Casio Module 593). Renowned for exceptional timekeeping accuracy within ±30 seconds per month, this movement ensures you stay punctual throughout your day. Powering the movement is an ultra-efficient CR2016 lithium cell battery, capable of providing up to 7 years of continuous operation under normal use.

Strap/Bracelet

The watch comes paired with a flexible black resin strap fastened by a traditional pin buckle closure. The resin material is impervious to sweat and moisture, making it exceptionally hygienic and comfortable for long hours of continuous wear under Sri Lanka’s tropical climate conditions.

Water Resistance

Designed for daily life, the Casio F-91W-9DG offers water resistance for everyday splash protection. It easily withstands accidental exposure to rain, hand washing, and light splashes during routine daily activities.

Comfort

Weighing approximately 21 grams, the Casio F-91W-9DG is so light you will barely notice it on your wrist. The contoured resin band hugs the wrist naturally without causing friction or heat buildup, making it one of the most comfortable wristwatches ever produced for daily, sports, or work use.

Ideal For

The Casio F-91W-9DG is a unisex timepiece suitable for men, women, students, outdoor enthusiasts, and retro fashion lovers alike. Its blend of utility, low weight, and retro charm makes it an ideal pick for everyday wear, gym workouts, travel, or casual outings.

Why Buy From Ranasinghe Watch Works

Established in 1931, Ranasinghe Watch Works is Sri Lanka’s premier destination for genuine timepieces. When you shop with us, you enjoy:

• Guaranteed Authenticity: 100% original Casio watches sourced through authorized channels.

• Official Warranty Protection: Comprehensive warranty coverage for complete peace of mind.

• Decades of Expertise: Over 90 years of trusted watchmaking heritage and customer service in Sri Lanka.

• Fast Islandwide Delivery: Reliable delivery across Colombo and all islands in Sri Lanka.

Conclusion

The Casio F-91W-9DG is more than just a digital watch—it is a timeless icon of durability, utility, and classic style. Secure your original Casio F-91W-9DG today from Ranasinghe Watch Works and experience unmatched digital performance delivered directly to your doorstep.

PRODUCT HIGHLIGHTS

• Iconic Retro Aesthetic: Classic rectangular digital design featuring a distinct gold border frame.

• Ultra-Lightweight Build: Total weight of just ~21g for effortless all-day comfort.

• 7-Year Battery Life: Long-lasting CR2016 lithium battery for years of hassle-free operation.

• Japanese Digital Quartz Movement: Reliable Casio Module 593 precise to ±30 seconds per month.

• 1/100-Second Stopwatch: Digital chronograph measuring elapsed time, split time, and 1st-2nd place times.

• Daily Alarm & Hourly Chime: Built-in alarm and hourly time signal to keep you on schedule.

• Built-in LED Backlight: Integrated micro light for reading the display in dark environments.

• Auto Calendar: Displays day, date, and time with easy 12/24-hour switching.

• Durable Resin Construction: Impact-resistant black resin case paired with a flexible resin band.

• 100% Genuine Guaranteed: Backed by warranty from Ranasinghe Watch Works (Est. 1931).

KEY FEATURES

• Brand: Casio

• Model: F-91W-9DG (Module 593)

• Gender: Unisex / Men / Women

• Collection: Casio Vintage / Classic Digital

• Movement: Digital Quartz

• Display: Digital LCD

• Glass: Resin Glass

• Case Material: Resin

• Band Material: Resin

• Band Color: Black

• Dial Color: Black with Gold Border Trim

• Case Diameter: 38.2 mm × 35.2 mm

• Case Thickness: 8.5 mm

• Weight: ~21 g

• Water Resistance: Water Resistant (Splash Resistant)

• Calendar: Auto Calendar (set at 28 days for February)

• Battery: CR2016 (Approx. 7-year life)

• Warranty: Official Warranty Coverage

• Country of Origin: Japan Movement / Assembled in Casio Authorized Facilities

BUYING REASONS

1. Unbeatable Value: Offers top-tier Japanese digital accuracy and reliability at an affordable price point.

2. Distinctive Gold Trim Accent: The F-91W-9DG model features a stylish gold border that sets it apart from standard black editions.

3. Legendary Durability: Proven tough case structure built to withstand daily drops, bumps, and active use.

4. Featherlight Comfort: Weighs only 21 grams, making it comfortable for work, sports, and sleep tracking.

5. 7-Year Power Reserve: Superior energy efficiency means you don't have to worry about frequent battery changes.

6. Essential Timekeeping Functions: Built-in stopwatch, daily alarm, and hourly chime cover all your fundamental daily needs.

7. Perfect Tropical Wear: Sweat-resistant resin band is ideal for Sri Lanka’s tropical climate.

8. Unisex Appeal: Fits effortlessly on all wrist sizes, making it a great option for men, women, and teens.

9. Timeless Fashion Statement: A modern vintage classic that complements streetwear, casual wear, and minimalist outfits.

10. Purchased from Sri Lanka’s Trusted Jeweler: Guaranteed authenticity backed by Ranasinghe Watch Works (Since 1931).

SHOP MORE CASIO

• Explore the full Casio Collection at Ranasinghe Watch Works.

LEARN MORE ABOUT THIS WATCH

• Learn more on the Official Casio International Website.

FAQ

1. Is the Casio F-91W-9DG watch original at Ranasinghe Watch Works?

Yes, every Casio F-91W-9DG sold at Ranasinghe Watch Works is 100% authentic and comes with official warranty coverage.

2. What makes the F-91W-9DG model different from the standard F-91W-1?

The F-91W-9DG features a distinctive gold border frame surrounding the digital LCD display, giving it a subtle vintage gold contrast compared to the blue border on the standard F-91W-1.

3. How long does the battery last on the Casio F-91W-9DG?

The watch uses a CR2016 battery which lasts approximately 7 years under normal usage conditions.

4. Is the Casio F-91W-9DG water resistant?

Yes, it features water resistance for daily use, meaning it handles light splashes, sweat, and rain. However, swimming or submersion is not recommended.

5. What is the case size of the Casio F-91W-9DG?

The case dimensions are 38.2mm in length, 35.2mm in width, and 8.5mm in thickness.

6. Does this watch have a light function for dark places?

Yes, it features a built-in green micro-LED light on the side of the display for reading the time at night.

7. Can both men and women wear the Casio F-91W-9DG?

Absolutely. Its compact profile and adjustable resin strap make it a versatile unisex model for men, women, and teenagers.

8. Does the Casio F-91W-9DG show the date and day?

Yes, the digital LCD display shows the time along with the day of the week and date.

9. How do I switch between 12-hour and 24-hour formats?

You can toggle between 12-hour and 24-hour time formats by pressing the bottom-right button while in normal timekeeping mode.

10. Does Ranasinghe Watch Works offer islandwide delivery in Sri Lanka?

Yes, Ranasinghe Watch Works delivers original Casio watches islandwide across Sri Lanka.