The Casio AE1400WH-1A World Time Digital Watch, engineered with a robust 48.4 × 51.4 × 14.4mm case and a weight of 49g, ensuring comfortable wear. Crafted with resilient resin for the band, bezel, and case, it guarantees durability in diverse conditions. With water resistance up to 100 meters, it's ideal for aquatic activities. Powered by a CR2025 battery, it delivers an impressive lifespan of around 10 years. Featuring resin glass for clear visibility, it boasts extensive world time functionality, accommodating multi-time for four different cities and encompassing 31 time zones across 48 cities with coordinated universal time. It also facilitates daylight saving time adjustment and allows seamless swapping between home city and world time. Additional highlights encompass a stopwatch, timer, and alarm with hourly time signal, along with the flexibility of setting five daily alarms or one-time alarms. The watch further includes a full auto-calendar up to the year 2099 and a mute feature for button operation tones. With an accuracy of ±30 seconds per month, it supports both 12/24-hour formats and offers regular timekeeping features, including hour, minute, second, PM, month, date, and day displays. - 48.4 × 51.4 × 14.4mm Case Size - 49g Weight - Resin Band, Bezel and Case - 100 Meters Water Resistant - Approx. battery life: 10 years on CR2025 - Resin Glass - World time: Multi Time (4 different cities) - World time: 31 time zones (48 cities coordinated universal time), daylight saving on/off, Home city/World time city swapping - Stopwatch - Timer - Alarm/hourly time signal - 5 daily alarms or one-time alarms - Calendar: Full auto-calendar (to year 2099) - Mute feature: Button operation tone on/off - Accuracy: ±30 seconds per month - 12/24-hour format - Regular timekeeping: Hour, minute, second, pm, month, date, day