Product Overview
The Casio WS1500H Series is a rugged, feature-rich men’s digital watch engineered for individuals who demand reliability, precision, and practical functionality in their everyday timepiece. Designed with active lifestyles in mind, this watch integrates essential tools for time management, fitness tracking, and travel convenience—all housed in a durable, water-resistant casing. From timed workouts to international scheduling, the WS1500H supports a wide range of daily activities with consistent performance. Its standout 10-year battery life eliminates the need for frequent replacements, while the 100-meter water resistance rating ensures it can handle everything from swimming to snorkeling without compromise. For men seeking a no-fuss, dependable watch that blends utility with everyday resilience, the Casio WS1500H delivers exactly what’s needed—without excess.

Key Features
- 100-Second Stopwatch – Ideal for tracking short-duration activities with precision, this stopwatch measures up to 100 seconds, making it perfect for interval training, cooking timers, or any task that requires accurate, brief time measurement. The digital display ensures quick, easy reading during fast-paced use.
- Countdown Timer – Set custom countdowns for workouts, rest periods, study sessions, or any timed routine. This feature helps maintain structure and discipline, whether you’re following a training plan or managing productivity breaks.
- LED Backlight – The built-in LED illuminates the digital display in low-light or dark environments, allowing for clear visibility during nighttime activities, early morning runs, or dimly lit indoor spaces.
- 100-Meter Water Resistance – Rated for submersion up to 100 meters, this watch is suitable for swimming, showering, snorkeling, and other water-based recreational activities. It provides peace of mind during aquatic use without risking damage from moisture exposure.
- Multi-Function Alarm – Set daily alarms to stay on schedule for appointments, medication reminders, workout sessions, or important tasks. The alarm function ensures you stay punctual throughout the day.
- Auto Calendar – Automatically adjusts for varying month lengths and leap years, eliminating the need for manual date corrections. The calendar remains accurate year-round with no user intervention required.
- Dual Time Function – Track two different time zones simultaneously, making it an excellent tool for travelers, remote workers, or anyone coordinating with contacts across regions. Switch between home and destination time with ease.
- 10-Year Battery Life – Powered by a single LR44 battery (included), the watch is designed for long-term, uninterrupted use. With a decade of expected battery life, maintenance is minimal and reliability is maximized.
Technical Specifications
- Model Number: 616684
- Department: Men’s
- Battery: 1 × LR44 (included)
- Battery Life: 10 years
- Water Resistance: 100 meters
- Dimensions: 5 × 7 × 5 inches
- Weight: 5.29 ounces
- Language: English
- Date First Available: March 9, 2023
- Manufacturer: Casio
- ASIN: B0BQ9N4167
Benefits & Use Cases
The Casio WS1500H is more than just a watch—it’s a practical companion for daily life. Its 100-meter water resistance allows confident use in pools, lakes, and oceans, making it a reliable choice for swimmers, snorkelers, and outdoor enthusiasts. The stopwatch and countdown timer are invaluable for athletes and fitness-minded individuals, supporting structured interval training, timed drills, or even kitchen tasks like boiling eggs. The dual time function is especially beneficial for frequent flyers or professionals managing teams across time zones, enabling seamless coordination without confusion. The LED backlight ensures readability in dark environments, whether you’re checking the time during a pre-dawn jog or working late at night. With automatic calendar adjustment, you’ll never miss a date change again, and the 10-year battery life means you can set it and forget it. This watch suits students, travelers, fitness enthusiasts, and anyone who values a dependable, multifunctional timepiece that performs under real-world conditions.
Important Notes
The Casio WS1500H comes with one LR44 battery pre-installed and ready to use. A manufacturer’s warranty is available and can be requested directly through Casio customer service. This model was first released on March 9, 2023, and is specifically listed under men’s wristwatches. While it is water-resistant to 100 meters, it is not designed for scuba diving or high-impact water sports such as jet skiing or water skiing. To maintain optimal performance, always ensure the watch is securely fastened before water exposure. After use in saltwater or chlorinated pools, rinse the watch with fresh water and dry it thoroughly to prevent residue buildup and preserve long-term functionality.