Model Number: A130WEGG-1ADF Movement: Quartz, Battery-powered Case Material: Resin Band Material: Stainless Steel Crystal: Resin Dial Color: Black Band Color: Black Size (H x W x D): Approx. 40.5 x 33.9 x 9 mm Band Width (Max): Approx. 20 mm Band Width (Minimum): Approx. 15 mm Wrist Circumference: Max. Approx. 20 cm Weight: Approx. 54 g Specifications Water resistant for everyday use Multi-time: Register up to 4 different cities and switch between them. World time: Displays the time in 48 cities worldwide (31 time zones, with daylight saving time setting function) + UTC (Coordinated Universal Time), with home city swapping function. Stopwatch (1/100 second, 24-hour counter, with split function) Timer (Setting unit: 1 second, Maximum setting: 24 hours, Measured in 1/10 second increments) 5 daily alarms (One-time alarm/Daily alarm switching function) and hourly time signal LED backlight (Afterglow function, afterglow duration switching (1.5 seconds/3 seconds)) LED: Amber Full auto calendar Operation sound ON/OFF switching function Average monthly difference: ±30 seconds 12/24-hour format switching