The Casio W96H - 1B is a remarkable classic sports wristwatch. With a streamlined 43.9 × 35.7 × 12.5mm case and an incredibly light 32g build, it's both comfortable and stylish. Constructed with long - lasting resin for the band, bezel, and case, it promises high durability. This watch is water - resistant up to 50 meters, making it perfect for a wide range of activities like swimming and hiking. Powered by a CR2025 battery, it offers an outstanding battery life of around 10 years. Whether it has resin or spherical glass, it provides crystal - clear visibility. It comes with world time functionality, allowing you to keep track of different time zones. The stopwatch is great for timing your runs or workouts, and the alarm with hourly time signal ensures you never miss an important moment. The full auto - calendar goes all the way to 2099, and it maintains an accuracy of ±30 seconds per month. It supports both 12/24 - hour formats, and regular timekeeping includes detailed displays of hour, minute, second, PM, year, month, date, and day.

Using your Casio W96H - 1B watch is a breeze. To set the time, look for the adjustment buttons on the side of the watch. Press them to change the hour, minute, and other time elements. You can switch between 12 - hour and 24 - hour formats according to your preference. For the world time function, find the corresponding button and select the city or time zone you want to track. The stopwatch can be started, stopped, and reset easily with the designated buttons. The alarm can be set by entering the alarm mode and setting the desired time. As for the hourly time signal, you can turn it on or off as you like. When it comes to maintenance, since the watch is water - resistant up to 50 meters, you can wear it in the shower or while swimming casually. But avoid deep - sea diving or high - pressure water activities. The battery usually lasts about 10 years, but when it's running low, take it to a professional to replace the CR2025 battery. Keep the watch clean by wiping it with a soft cloth regularly. Also, store it in a dry place when not in use to prevent damage.