WR: 5 ATM - Case: 35 mm - Gender: Unisex - Case Material: Resin - Strap Material: Metal - Movement: Quartz - Functions: Multifunction - Glass: Plastic - Product Type: Wristwatch Bo Product Description: The Casio B640WC-5AEF is a stylish unisex digital watch that combines a retro aesthetic with modern functionality, making it a versatile accessory for daily wear. Key Features: Design: Rectangular rose gold-tone resin case with a matching stainless steel band, offering a vintage-inspired look.Display: Digital display with LED backlight and afterglow for easy reading in various lighting conditions.Functions:Stopwatch: 1/100-second stopwatch with a measuring capacity of up to 24 hours.Countdown Timer: Countdown range from 1 second to 24 hours, with auto-repeat functionality.Alarm: Multi-function alarm with flash alert feature; the watch flashes with a buzzer that sounds for alarms and hourly time signals.Calendar: Full auto-calendar programmed until the year 2039.Timekeeping: Offers both 12-hour and 24-hour formats.Water Resistance: Water-resistant up to 50 meters, suitable for everyday use including showering and swimming.Accuracy: Maintains accurate timekeeping with a deviation of 30 seconds per month.Battery Life: Approximately 3 years on a CR2016 battery.Dimensions: 38.9mm height, 35.0mm width, and 9.4mm thickness.Weight: Lightweight design at 49 grams for comfortable wear. SpecificationValueWR5 ATMCase35 mmGenderUnisexCase MaterialResinStrap MaterialMetalMovementQuartzFunctionsMultifunctionGlassPlasticProduct TypeWristwatchPackagingOfficial Box