General Brand Name - Casio Model - A500WA-1DF Model Name - Casio Vintage Series Gender - Unisex Age Group - Teen/Adult Country of Manufacture - China Inclusions - Tags, Instruction Manual, Generic Gift Box Sizing and Dimensions Case Dimensions - 39 x 34mm Case Thickness 9.6mm Band Width 18mm Wrist Measurements - 15-20.5cm Weight - 50g Sizing - Medium Features: Digital Module 3437 Resin Glass 30m Water Resistant (Splash resistant. Not suitable for swimming or showering) Shiny Silver Resin Case Chrome plated Silver Stainless Steel Band with Adjustable Clasp Illumination - Amber LED backlight - Selectable illumination duration (1.5 seconds or 3 seconds), afterglow 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 1/100-second stopwatch Countdown timer - Measuring unit: 1/10 second Alarm - 5 daily alarms or one-time alarms, hourly time signal Calendar - Full auto-calendar (to year 2099) 12/24-hour format Regular timekeeping - Digital: Hour, minute, second, pm, month, date, day Approx. battery life: 3 years on CR1616