Product Overview
The Citizen Men’s Sport Casual Eco-Drive Chronograph Watch is engineered for men who demand both performance and practicality in a timepiece. Built for everyday wear and active lifestyles, this watch seamlessly blends sporty functionality with a clean, modern design. At its core is Citizen’s proprietary Eco-Drive technology, which converts any light source—natural sunlight or indoor artificial lighting—into energy to power the watch. This means you’ll never need to worry about battery replacements, making it a dependable, low-maintenance companion for daily use.
Designed with versatility in mind, the watch features a chronograph function that allows for precise stopwatch timing, ideal for tracking workouts, sports activities, or time-sensitive tasks. The ability to switch between 12-hour and 24-hour time formats adds further convenience, especially for travelers or professionals who operate in environments where military time is standard. A date display is conveniently positioned on the dial, helping you stay organized without reaching for your phone. The overall aesthetic strikes a balance between rugged and refined, making it suitable for casual outings, gym sessions, or even relaxed office environments.
Weighing just 5.12 ounces, the watch is lightweight enough for all-day comfort, yet built to endure the rigors of daily wear. The fold-over clasp with dual push buttons ensures a secure fit that won’t come undone during movement, while also allowing for easy and quick removal when needed. Whether you’re timing your morning run, managing your schedule, or simply looking for a reliable watch that complements your style, this model delivers consistent performance with minimal upkeep.
Key Features
- Eco-Drive Technology: Powered entirely by light, this watch eliminates the need for battery changes. As long as it’s exposed to light regularly—whether from the sun or indoor lighting—it will maintain accurate timekeeping. This eco-conscious design reduces waste and ensures long-term reliability.
- Chronograph Function: The built-in stopwatch allows for precise measurement of elapsed time, making it useful for fitness tracking, cooking, or any activity where timing matters. The subdials provide clear readability for seconds, minutes, and additional timing functions.
- 12/24 Hour Time Display: Easily toggle between standard 12-hour time and 24-hour (military) format, offering flexibility for personal preference or professional use. This feature is especially helpful when traveling across time zones or working in fields that use 24-hour notation.
- Date Display: A clearly marked date window keeps you informed of the current day, supporting better time management and scheduling without relying on external devices.
- Fold Over Clasp with Push Buttons: Designed for security and ease of use, the clasp locks firmly in place and can only be opened by pressing both side buttons simultaneously. This prevents accidental opening during physical activity while allowing quick removal when desired.
- Lightweight and Durable Build: At just 5.12 ounces, the watch is comfortable for extended wear. Its construction supports daily use across various environments, from urban commutes to outdoor adventures.
Technical Specifications
- Package Dimensions: 4.89 x 3.9 x 3.11 inches
- Weight: 5.12 ounces
- Item Model Number: CA0438-52E
- Department: Men’s
- Battery: 1 Lithium Metal battery required (included)
- Power Source: Eco-Drive (solar-powered by light)
- First Available Date: November 15, 2023
- Manufacturer: Citizen
- ASIN: B08NTMDYTR
Benefits & Use Cases
This watch is ideal for men who value reliability, functionality, and style in equal measure. The Eco-Drive system ensures the watch remains powered with minimal effort—simply wearing it during the day provides sufficient light exposure for continuous operation. This makes it an excellent choice for busy individuals who don’t want the hassle of charging or replacing batteries.
The chronograph function supports active lifestyles, whether you’re timing interval workouts, tracking lap times, or managing tasks that require precise time measurement. The 12/24-hour display option enhances usability for international travelers or those in technical professions. The secure fold-over clasp gives peace of mind during physical activity, reducing the risk of accidental loss. Its casual sport design transitions effortlessly from gym to casual dinner, making it a versatile accessory for everyday wear.
Important Notes
The watch includes one pre-installed Lithium Metal battery, which is charged and maintained by Eco-Drive technology. For warranty information, customers should consult the manufacturer’s official policy. The product was first made available on November 15, 2023. To ensure optimal performance, the watch should be exposed to light periodically. Avoid prolonged exposure to extreme temperatures or strong magnetic fields, as these may affect accuracy. Regular cleaning with a soft, dry cloth will help maintain its appearance over time.




