The Casio AE1000W1AVEF is a sporty and practical digital watch designed for everyday life and travel. It features a world time function with up to 48 cities across 31 time zones and a clear digital display with a world map for easy reference. The watch also includes a 1/100‑second stopwatch, countdown timer, 5 daily alarms, and an automatic calendar, giving you all the essential tools you need in one compact package. With LED backlight for visibility in low light, a lightweight resin case and strap, and 100‑meter water resistance, it’s built for durability and comfort. A long‑lasting 10‑year battery life ensures you won’t worry about frequent replacements, making this a reliable choice for active daily wear. Specifications Case size : 48.2 × 45 × 13.8 mmWeight : 40 gCase and bezel material : ResinBand : Resin BandWater resistance : 100-metre water resistancePower supply and battery life : Approx. battery life: 10 years on CR2025Glass : Resin Glass / Spherical GlassCompatible band size : 145 to 215 mm World Time: 31 time zones (48 cities + UTC), swap home/world city, multi-time for 4 citiesStopwatch: 1/100-second, measures elapsed, split, and 1st-2nd place timesCountdown Timer: Up to 24 hours, adjustable in seconds, minutes, or hoursAlarms: 5 daily or one-time alarms, hourly signalLight: LED amber backlight with adjustable duration and afterglowCalendar: Full auto-calendar up to 2099Other: 12/24-hour format, button mute option, ±30 seconds/month accuracy, digital display of hour, minute, second, day, date, month