Casio AQS800W Series | Analog Digital Watch | 100M WR |

Product Overview

The Casio AQS800W Series combines rugged durability with advanced functionality in a sleek analog-digital design built for the modern adventurer. Engineered by Casio—a brand renowned for pioneering innovation that meets real-world needs—this watch delivers reliable performance in any environment. Powered by an intelligent solar-recharging system, it ensures consistent operation without frequent battery changes. Whether you’re tracking time during a morning swim, timing intervals during training, or navigating time zones across the globe, this versatile timepiece is designed to keep up with your active lifestyle.

Key Features

• Solar Powered Operation
  Utilizing Casio’s advanced solar-recharging technology, this watch converts even faint light from indoor fluorescent sources into sufficient energy to power its high-performance functions. The Tough Solar system ensures long-term reliability and eliminates the need for regular battery replacements. This eco-friendly feature supports continuous operation of multiple complex functions while maintaining energy efficiency. It’s ideal for daily wear, offering peace of mind that your watch will keep running under various lighting conditions.
• 100 Meter Water Resistance
  Designed for aquatic activities, the watch is water resistant up to 100 meters, making it suitable for swimming, snorkeling, and other water-based sports. This level of protection ensures the internal mechanisms remain secure from moisture and pressure changes encountered in shallow dives or surface water activities. Whether you’re at the pool, beach, or lake, the watch maintains accuracy and functionality without risk of water damage.
• LED Backlight
  An integrated LED backlight provides clear visibility in low-light environments, allowing you to read the time and digital displays effortlessly at night or in dimly lit spaces. The illumination is activated with a simple button press, ensuring quick access when needed. This feature enhances practicality for nighttime workouts, camping trips, or early morning routines.
• Dual Countdown Timers & Advanced Functions
  Equipped with dual countdown timers, a 1/100-second stopwatch, and five multi-alarm settings, this watch supports precise time management for training, cooking, or event planning. The inclusion of 48-city world time allows seamless tracking of global time zones, perfect for travelers or remote workers. Combined with a 6-language day-of-the-week indicator, these features make the watch a comprehensive tool for both athletic and everyday use.

Technical Specifications

• Model Number: AQS810W-1AV
• Department: Men’s
• Power Source: Solar-powered with rechargeable battery (1 Product Specific battery included)
• Water Resistance: 100 meters (suitable for swimming and snorkeling)
• Stopwatch: 1/100 second precision
• Alarms: 5 multi-alarm settings
• World Time: 48 cities
• Countdown Timer: Dual countdown timers
• Day Display: 6-language day-of-the-week indicator
• Light: LED backlight
• Dimensions: 5 x 7 x 5 inches; 3.88 ounces
• Manufacturer: Casio
• ASIN: B01N1IYFI1
• Date First Available: December 19, 2016
• Discontinued by Manufacturer: No

Benefits & Uses

The Casio AQS800W Series is ideal for individuals seeking a dependable, feature-rich watch that performs under pressure. Athletes benefit from the precise stopwatch and dual countdown timers for interval training, while travelers appreciate the world time function for staying connected across time zones. Its solar-powered design reduces maintenance and environmental impact, making it a sustainable choice for daily wear. The 100-meter water resistance and LED backlight ensure usability in diverse conditions—from morning swims to late-night hikes. With multiple alarms and multilingual day display, it supports organized scheduling across cultures and routines.

Why Choose This Product

Backed by Casio’s legacy of innovation and commitment to creating products that fulfill real-world needs, the AQS800W Series stands out for its blend of durability, functionality, and intelligent design. Its solar-powered engine, robust water resistance, and extensive feature set make it a reliable companion for sports, travel, and everyday life. With over 16,000 customer reviews averaging 4.4 stars, it has earned trust for performance and longevity. This is more than a watch—it’s a precision instrument built to enhance your daily rhythm.

Casio Values

“Necessity is not the mother of invention, invention is the mother of necessity.” These are the words of one of Casio’s founders. The people who created Casio were determined to ‘invent necessity’—to create products that met latent needs with groundbreaking capabilities no one had ever seen before. Ever since, Casio has been doing just that, bringing new discovery and delight to people around the world. This is Casio’s way of building an even more prosperous, richly rewarding world.

Solar Powered

Casio solar-recharging system converts even faint light from fluorescent lamps into ample energy to achieve stable operation of various high-load functions.

Tough Solar Powered

Utilizing a unique Self-Charging solar power system, this sporty analog/digital combination model provides plenty of functionality.

100 Meter Water Resistant

Suitable for everyday use and swimming and snorkeling

LED Backlight

Dual Countdown Timers & Much More

A host of features such as 48-city world time, 5 alarms, stopwatch and dual countdown timers make this a versatile timepiece for almost any sport outing.