Product Overview
The Casio SGW100 Series is a rugged digital sport watch designed for active individuals who need reliable performance in demanding environments. Built with a 200-meter water resistance rating, it’s ideal for swimmers, divers, and outdoor enthusiasts who require a durable timepiece that can handle water exposure without compromise. At its core, the watch features a Twin Sensor system that delivers real-time direction and temperature readings, making it a practical tool for navigation and environmental awareness. Whether you’re hiking, working near water, or simply need a dependable watch for daily wear, the SGW100 combines essential functionality with a sporty, utilitarian design. Its large, segmented LCD display ensures clarity at a glance, even in low-light conditions.



Key Features
- Twin Sensor Technology: Equipped with both a direction sensor and a temperature sensor, this watch provides accurate compass readings and ambient temperature data. The large, easy-to-read digital display presents this information clearly, helping you stay oriented and informed about your surroundings.
- 200M Water Resistance: Rated for depths up to 200 meters, the SGW100 is suitable for swimming, snorkeling, and other water-based activities. The robust construction ensures reliable performance in wet conditions, making it a solid choice for aquatic sports or work environments involving water.
- 100-Second Stopwatch: The built-in stopwatch measures elapsed time with precision up to 100 seconds, useful for timing workouts, laps, or any short-duration activity. The digital interface allows for quick start, stop, and reset functions.
- World Time Function: Access time zones from around the globe with the world time feature, ideal for travelers or those coordinating with contacts in different regions. This function supports multiple city codes for easy reference.
- Auto Calendar: The calendar automatically adjusts for different month lengths and leap years, ensuring accurate date tracking without manual input. It remains correct up to the year 2099.
- Multi-Alarm System: Set multiple daily alarms to stay on schedule for work, training, or personal reminders. The alarms are programmable and support different alert times throughout the day.
- Low Temperature Resistance: Engineered to operate reliably in cold environments, the watch maintains functionality in low-temperature conditions, making it suitable for winter sports or cold-weather expeditions.
- Mineral Glass Lens: The crystal is made of mineral glass, providing enhanced scratch resistance to protect the display from everyday wear and tear.


Technical Specifications
- Model Number: SGW-100-1V
- Department: Jewelry & Watches
- Case Dimensions: 1.87 x 2.03 x 0.52 inches
- Weight: 1.92 ounces
- Battery: 1 LR44 battery required
- Water Resistance: 200 meters (suitable for swimming and snorkeling)
- Display Type: Digital LCD with segmented layout
- Lens Material: Mineral glass
- Functions: Time, date, stopwatch, world time, alarms, compass, temperature sensor
- Manufacturer: Casio
- ASIN: B00186YU4M
- Date First Available: October 9, 2008
- Discontinued by Manufacturer: No
Benefits & Use Cases
The Casio SGW100 is built for individuals who value practicality and durability in a timepiece. Its combination of a digital compass and temperature sensor makes it particularly useful for hikers, campers, and outdoor adventurers who need to monitor environmental conditions and maintain directional awareness. The 200-meter water resistance allows for confident use during swimming, water sports, or rainy conditions, while the low-temperature resistance ensures reliability in cold climates. The large, segmented LCD display enhances readability, especially when checking time or sensor data on the move. With world time and multi-alarm functions, it also serves well for travelers or professionals with international schedules. The auto-calendar eliminates the need for manual date adjustments, adding to its long-term convenience. Overall, this watch is a dependable companion for active lifestyles, outdoor work, or everyday wear where functionality and resilience are priorities.
Important Notes
- The image shown may not exactly represent the model listed for sale. Always refer to the product title and specifications for accuracy.
- One LR44 battery is required for operation; replacement may be needed over time depending on usage.
- While water-resistant to 200 meters, avoid pressing buttons underwater to maintain seal integrity.
- Mineral glass offers good scratch resistance but may show wear over extended use; handle with care to preserve clarity.
- Manufacturer’s warranty is available; customers can request warranty information directly from Casio customer service.
Original price was: $ 79.95.$ 63.96Current price is: $ 63.96.