The Casio HDC700-1A is an outstanding world time watch. It features a sturdy 53.3 × 48.8 × 16.6mm case and weighs only 49g, ensuring comfortable long - term wear. The band, bezel, and case are all made of durable resin, which means it can withstand various harsh conditions. With a water - resistance of up to 100 meters, it's perfect for water - based activities. Powered by a CR2025 battery, it offers an amazing battery life of about 10 years. The resin glass provides clear visibility. It has a world - time function that covers 29 time zones across 30 cities, and you can adjust for daylight saving time. Other features include a stopwatch, timer, three daily alarms (with one snooze alarm), a full auto - calendar until 2099, and a Telememo function with a memory capacity of up to 30 sets of data. It also has a remaining memory screen and auto - sort. For regular timekeeping, it has analogue hands for hours and minutes (moving every 20 seconds) and digital displays for hour, minute, second, PM, month, date, and day. Its accuracy is ±30 seconds per month, and it supports 12/24 - hour format.
Using the Casio HDC700 - 1A is easy. To set the time, find the adjustment buttons on the side of the watch. For the world - time function, just select the city you want from the list of 30 cities. To use the stopwatch, press the relevant button to start, stop, and reset. The timer can be set by entering the desired time. The alarms can be set to go off at specific times, and you can use the snooze function if you need a little more sleep. When it comes to the Telememo function, you can store up to 30 sets of data, including an 8 - character name and a 16 - digit telephone number. As for maintenance, keep the watch away from extreme temperatures and strong magnetic fields. If it gets wet, dry it with a soft cloth. The battery usually lasts about 10 years, but when it starts to run out, have it replaced by a professional. Make sure to check the water - resistance periodically, especially if you use it in water often. Also, clean the resin parts with mild soap and water to keep it looking good.
