The Casio G-Shock AW-591 is a robust analog-digital watch known for its durability and versatility. Popularized in street culture, it offers timekeeping, alarms, and timers, making it a practical choice for everyday use.
1.1 Overview of the G-Shock Series
The Casio G-Shock series, launched in the 1980s, quickly gained popularity for its robust design. Initially embraced by skateboarders, it soon became a staple in street culture, music, and fashion. Known for its durability and ruggedness, the series has evolved over the years while maintaining its iconic appeal. Today, G-Shock watches are celebrated for their reliability and style, making them a favorite among various communities worldwide. Their versatility in design and functionality continues to attract a broad audience.

1.2 Key Features of the AW-591 Model
The Casio G-Shock AW-591 combines analog and digital displays, offering a blend of style and functionality. It features five daily alarms, a stopwatch, timer, and illumination for night use. The watch is designed for durability, with a rugged case and water resistance. Its analog hands can be adjusted manually, and it supports multiple time zones. The AW-591 is a practical choice for everyday wear, catering to both casual and active lifestyles with its reliable timekeeping and user-friendly interface.

Design and Build Quality
The Casio G-Shock AW-591 boasts a robust design with shock resistance, making it ideal for active lifestyles. Its durable build and sleek aesthetic appeal to street culture enthusiasts and everyday users alike.
2.1 Ruggedness and Durability

The Casio G-Shock AW-591 is renowned for its exceptional ruggedness, designed to withstand harsh conditions. Its shock-resistant construction ensures durability, while the resin band and mineral glass protect against scratches and impacts. Built for active lifestyles, this watch is ideal for sports, outdoor adventures, and everyday wear. Its robust design aligns with G-Shock’s legacy of reliability, making it a trusted companion for users seeking a timepiece that combines strength and functionality.
2.2 Analog-Digital Display

The Casio G-Shock AW-591 features a clear analog-digital display, combining traditional analog hands with a digital window for precise timekeeping. This hybrid design offers intuitive readability, making it easy to navigate between modes. The display is well-illuminated, ensuring visibility in low-light conditions. The backlight function enhances usability at night, while the mineral glass protects against scratches. This blend of analog and digital elements provides a practical and user-friendly experience, catering to both functionality and style.
2.3 Size and Weight
The Casio G-Shock AW-591 measures 46.4mm in case size and weighs approximately 72 grams, ensuring a comfortable fit without compromising durability. Its robust design balances size and weight, making it suitable for various wrist sizes, up to 16.5 cm. The watch is designed to be practical yet unobtrusive, offering a secure fit for active use while maintaining a stylish appearance. Its lightweight construction enhances wearability, catering to both casual and rugged environments.
Core Features of the AW-591
The AW-591 features advanced timekeeping, five daily alarms, a stopwatch, timer, and illumination for night use, combining functionality with durability for everyday reliability and convenience.
3.1 Timekeeping Functions
The Casio G-Shock AW-591 offers precise timekeeping with a digital display for hours, minutes, and seconds. It supports 12/24-hour formats and features a date display. The watch also includes a world time function, allowing users to track time across 29 time zones. Additionally, the AW-591 provides automatic calendar updates and a daylight saving time option, ensuring accurate timekeeping worldwide. These features make it a reliable companion for both casual and professional use.
3.2 Alarm Settings
The Casio G-Shock AW-591 allows users to set up to five independent daily alarms, each with a unique time and setting. Alarms can be configured to repeat daily or on specific days, offering flexibility for reminders. The watch also features a snooze function, providing a 10-minute interval between alarm repetitions. Additionally, the AW-591 includes a one-time alarm option for single events. These alarm settings are easily customizable via the digital interface, ensuring users stay on schedule with ease and reliability.
3.3 Stopwatch and Timer
The Casio G-Shock AW-591 allows users to set up to five independent daily alarms, each with a unique time and setting. Alarms can be configured to repeat daily or on specific days, offering flexibility for reminders. The watch also features a snooze function, providing a 10-minute interval between alarm repetitions. Additionally, the AW-591 includes a one-time alarm option for single events. These alarm settings are easily customizable via the digital interface, ensuring users stay on schedule with ease and reliability.
3.4 Illumination and Night Mode
The Casio G-Shock AW-591 features an LED illumination system, ensuring clear visibility in low-light conditions. The Night Mode automatically adjusts the backlight for extended periods, while the Auto LED Light illuminates the display with a button press. This functionality enhances readability without compromising battery life, making it ideal for use in dark environments. The illumination settings are customizable, allowing users to tailor brightness and duration to their preferences, ensuring optimal performance day or night.
Setting Up the Watch
Setting up the G-Shock AW-591 involves adjusting time, date, and analog hands. Configuring alarms and modes is straightforward via the user-friendly interface, ensuring precise functionality for daily use.
4.1 Time and Date Adjustment
To adjust the time and date on the G-Shock AW-591, pull the crown out to set the time and date. Use the buttons to cycle through settings. After setting, push the crown back in and confirm with the lower button. Ensure the analog hands align with the digital time for accuracy. Detailed steps are outlined in the module 4778 manual, available online for precise configuration.
4.2 Setting the Analog Hands
To set the analog hands on the G-Shock AW-591, pull the crown out to the first position. Use the upper button to advance the hour hand and the lower button to adjust the minute hand. Ensure the hands align with the digital time displayed. After setting, push the crown back in to secure the adjustments. For precise alignment, refer to the module 4778 manual, which provides detailed steps for synchronizing the analog and digital displays accurately.
4.3 Configuring Alarms
The G-Shock AW-591 allows you to set up to five independent daily alarms. To configure, press the lower button to cycle through alarm settings. Use the upper button to adjust the alarm time. Once set, press the lower button to save. The watch also features a snooze function, which can be enabled or disabled. For detailed steps, refer to the module 4778 manual, ensuring accurate setup for reliable reminders and notifications.
Using the Stopwatch and Timer
The G-Shock AW-591 features a stopwatch for measuring elapsed time and a timer for countdowns, both essential for sports and daily activities with precision.
5.1 Basic Stopwatch Operations
To use the stopwatch on the G-Shock AW-591, press the lower-left button to enter Stopwatch Mode. Start timing by pressing the upper-right button. The display shows minutes, seconds, and hundredths of a second. Pause the stopwatch with the same button and reset it by pressing the lower-left button again. This feature is ideal for tracking sports, workouts, or any activity requiring precise time measurement. The stopwatch also supports lap time recording for performance tracking.
5.2 Timer Modes and Usage
The G-Shock AW-591 features a countdown timer that can be set up to 60 minutes. Press the lower-left button to enter Timer Mode. Use the upper-right button to start or stop the timer. The display shows the remaining time, and an alarm sounds when the timer reaches zero. This function is useful for cooking, workouts, or any activity requiring a countdown. The timer can be reset by pressing the lower-left button again, making it easy to reuse for multiple tasks.

Maintenance and Care
Regularly clean the watch with a soft cloth to prevent dirt buildup. Avoid extreme temperatures and harsh chemicals. Check battery voltage every two years for optimal performance. Store in a dry place to prevent mold, ensuring longevity and reliability of your G-Shock AW-591.
6.1 Cleaning the Watch
To maintain your G-Shock AW-591, clean it regularly with a soft, dry cloth. For stubborn dirt, dampen the cloth slightly but avoid harsh chemicals or abrasive materials. Gently wipe the case, bezel, and strap, paying attention to crevices where dust accumulates. For the screen, use a microfiber cloth to prevent scratches. Regular cleaning ensures optimal performance and preserves the watch’s appearance. Avoid submerging the watch in water during cleaning to maintain its water-resistance integrity. Use a cotton swab for detailed areas, ensuring all parts remain dry and free from moisture.
6.2 Battery Replacement
The G-Shock AW-591 typically has a battery life of 2-3 years, depending on usage. When replacement is needed, use a CR2032 lithium battery. Power down the watch before replacing the battery to prevent data loss. Gently pry open the back case using a screwdriver, replace the battery, and reassemble. Ensure all parts are securely tightened to maintain water resistance. If unsure, consult a professional. Properly dispose of the old battery to protect the environment. Always use genuine Casio parts for optimal performance and longevity.
Troubleshooting Common Issues
Common issues include time accuracy, alarm malfunctions, and display problems. Resetting the watch or consulting the manual often resolves these problems. Ensure proper setup and maintenance.
7.1 Time Accuracy Problems
If the AW-591 shows time inaccuracies, ensure the time zone is correctly set. Recalibrate the watch by resetting it or syncing with an atomic time source. Consult the manual for detailed steps to adjust settings properly. Regularly updating and maintaining the watch can prevent such issues. If problems persist, consider consulting a professional or contacting Casio support for further assistance.
7.2 Alarm Malfunctions
If the alarm on your AW-591 isn’t sounding, check that it’s enabled and the volume is set correctly. Ensure the alarm time is accurately configured in the settings. Low battery or incorrect time zone settings can also cause malfunctions. Reset the alarm or refer to the manual for troubleshooting steps. If issues persist, contact Casio support for assistance or consider a battery replacement to resolve the problem effectively.
7.3 Display Issues
If the display of your AW-591 appears dim, distorted, or shows incorrect information, ensure the watch is properly charged or the battery is new. Clean the screen to remove dirt or smudges. If analog hands misalign, reset them using the manual’s calibration steps. For digital display issues, perform a factory reset or update the firmware if available. Consult the user manual or contact Casio support for further assistance to resolve display-related problems effectively.

Where to Buy and Warranty Information
The Casio G-Shock AW-591 is available at authorized retailers and the official Casio website. It comes with a warranty covering manufacturing defects for a specified period.
8.1 Authorized Retailers
The Casio G-Shock AW-591 is available at authorized Casio retailers, both online and in-store. Official Casio websites, such as the Casio Watch page, offer a wide selection. Additionally, trusted retailers like Silvertime Watch Store provide authentic products. Customers are encouraged to visit these stores to explore the unique features of the AW-591 and other G-Shock models. Purchasing from authorized retailers ensures authenticity and warranty coverage, providing peace of mind for buyers.
8.2 Warranty Details
The Casio G-Shock AW-591 comes with a standard one-year warranty covering manufacturing defects. Purchasing from authorized retailers ensures warranty validity. For details, visit the official Casio support website, which offers repair requests, troubleshooting guides, and contact information. Warranty services are designed to provide peace of mind, ensuring your watch performs optimally for years to come.

Accessories and Replacement Parts
Explore a range of accessories, including durable straps, bands, and screen protectors, designed to enhance your G-Shock AW-591 experience. Visit official retailers for authentic parts.
9.1 Straps and Bands
The Casio G-Shock AW-591 offers a variety of strap and band options, including durable resin, metal, and leather designs. These accessories are designed to enhance comfort and style while maintaining the watch’s rugged appeal. Users can choose from multiple colors and materials to personalize their timepiece. Additionally, collaborations with brands and limited editions provide unique strap designs. Replacement straps are widely available, ensuring a perfect fit for any wrist size. This versatility makes the AW-591 adaptable to both casual and formal settings.
9.2 Screen Protectors
Screen protectors for the Casio G-Shock AW-591 are designed to safeguard the watch’s display from scratches and damage. Made from high-quality materials like tempered glass, these protectors ensure optimal clarity and touch sensitivity. They are easy to install and come in various styles to suit different preferences. Official Casio retailers and online stores offer a range of compatible screen protectors, providing an extra layer of protection for the AW-591’s durable design. This accessory is a practical addition for maintaining the watch’s pristine condition.

User Reviews and Testimonials
Users praise the Casio G-Shock AW-591 for its durability, style, and reliability. Many highlight its robustness and versatility, making it a favorite among street culture enthusiasts and professionals alike.
10.1 Positive Feedback
The Casio G-Shock AW-591 has garnered widespread acclaim for its exceptional durability and sleek design. Users often highlight its robustness, making it ideal for active lifestyles. The analog-digital display is praised for its clarity, while the multiple alarms and timers are deemed highly practical. Many appreciate its lightweight and comfortable fit, ensuring all-day wearability. Testimonials frequently mention its reliability in various environments, from urban settings to outdoor adventures. Overall, the AW-591 is celebrated as a versatile and dependable timepiece that blends functionality with style.
10.2 Areas for Improvement
Some users have noted that the G-Shock AW-591’s display could benefit from brighter illumination for better low-light visibility. The menu system, while functional, can be complex for newcomers, suggesting room for a more intuitive interface. Additionally, the lack of advanced features like GPS or heart rate monitoring makes it less competitive with modern smartwatches; Addressing these areas could enhance its appeal to tech-savvy users while maintaining its core strengths of durability and reliability.
Cultural Impact of G-Shock Watches
G-Shock watches have become iconic in street culture, music, and fashion, symbolizing resilience and style. Their influence spans decades, evolving from skateboarder favorites to global fashion statements.
11.1 Popularity in Street Culture
G-Shock watches surged in popularity in the mid-1980s, initially embraced by skateboarders for their durability. Their robust design resonated with street culture, transcending into music, fashion, and sports. The watches became symbols of urban resilience and style, inspiring a global following. Their influence grew, blending functionality with a bold aesthetic, making them a staple in streetwear and a testament to Casio’s innovative spirit. Today, G-Shock continues to evolve, remaining a cornerstone of street culture worldwide.
11.2 Influence on Fashion and Music
G-Shock watches have become iconic in fashion and music, symbolizing urban style and resilience. Their bold designs have inspired collaborations with artists and brands, blending streetwear with high fashion. Musicians and designers often incorporate G-Shock into their aesthetics, reflecting their durability and timeless appeal. The AW-591, with its analog-digital display, has been a favorite among performers and fashion enthusiasts, embodying the fusion of functionality and style that defines modern culture.
The Future of G-Shock Technology
The future of G-Shock technology lies in smartwatch integration, blending durability with advanced features. Sustainability initiatives are also a focus, ensuring eco-friendly production while maintaining the brand’s robust style and reliability.
12.1 Smartwatch Integration
Casio is integrating smartwatch features into G-Shock models, blending traditional durability with modern technology. The AW-591 showcases this evolution, offering fitness tracking, notifications, and app connectivity while maintaining its rugged design. This fusion enhances functionality without compromising the G-Shock’s iconic toughness, appealing to both tech enthusiasts and loyal fans of the brand.
12.2 Sustainability Initiatives
Casio is committed to sustainability, incorporating eco-friendly materials and energy-efficient manufacturing processes. The G-Shock AW-591 reflects this commitment with recyclable components and a long battery life, reducing waste. Casio aims to minimize environmental impact while maintaining durability and performance, aligning with global sustainability goals and appealing to environmentally conscious consumers.
The Casio G-Shock AW-591 is renowned for its rugged design and versatile features, making it a reliable choice for both everyday wear and adventurous activities, satisfying users worldwide with its durability and functionality.
13.1 Final Thoughts on the AW-591
The Casio G-Shock AW-591 stands out as a reliable and durable timepiece, blending practicality with a rugged design. Its analog-digital display, robust build, and essential features like alarms and timers make it ideal for everyday use. Users praise its simplicity and reliability, ensuring it remains a popular choice for those seeking a dependable watch. The AW-591 continues to embody the G-Shock legacy, offering a perfect balance of functionality and style for a wide range of activities and preferences.
13.2 Recommendations for Potential Buyers
The Casio G-Shock AW-591 is an excellent choice for those seeking a durable and functional watch. Its analog-digital design caters to both style and practicality. For first-time buyers, ensure to explore the warranty details and purchase from authorized retailers. The watch’s robustness makes it ideal for active lifestyles, while its intuitive features appeal to everyday users. Consider exploring accessories like straps and screen protectors to enhance its longevity and personalization. This model is a solid investment for anyone looking for reliability and timeless appeal.

Additional Resources
Visit the official Casio website for detailed manuals, PDF downloads, and module-specific guides. Explore online communities and forums for user reviews, tips, and troubleshooting advice on the AW-591 model.
14.1 Official Casio Manuals
14.2 Online Communities and Forums
Online forums and communities dedicated to G-Shock enthusiasts offer valuable resources and discussions. Websites like silvertime.eu and indowatch.co.id provide detailed guides, while YouTube channels share tutorials for models like the AW-591. These platforms foster collaboration, allowing users to troubleshoot issues, share tips, and explore customization options. Whether you’re a beginner or an experienced collector, these communities offer a wealth of knowledge and support to enhance your G-Shock experience. Active discussions and user-generated content make them indispensable for owners seeking advice or inspiration.