• **Advanced Functionality**: The Casio CA-506-1U sports watch combines a calculator, alarm, stopwatch, and dual time functions. With an 8 - digit calculator for various operations and a stopwatch measuring up to 23 hours, 59 minutes, 59.99 seconds, it's a multi - tool for your daily needs. • **Accurate Timekeeping**: Boasts an accuracy of ± 15 seconds a month at normal temperature. It features a double display with regular timekeeping including hour, minute, second, am/pm, year, month, date, and day. You can switch between 12/24 - hour formats and has an auto - calendar pre - programmed to 2079. • **Long - lasting Battery**: Powered by a single lithium battery (Type: CR - 2016), it offers approximately 5 years of operation, even with daily alarm and calculation use. Its stainless steel case and strap ensure durability and style.

The Casio CA - 506 - 1U is perfect for sports enthusiasts, students, and busy professionals. Whether you're timing your runs, calculating scores during a game, or keeping track of different time zones while traveling, this watch has you covered. It has a stainless steel case and strap, providing a durable and stylish look. The watch uses a single lithium battery (Type: CR - 2016) that can last about 5 years with regular use, making it reliable for long - term use.