WR: Only Splash Proof - Case: 35 mm - Gender: Unisex - Case Material: Resin - Strap Material: Resin - Movement: Quartz - Functions: Multifunction - Glass: Mineral - Product Type: Wristwatch Product Description: The Casio B640WB-1A is a unisex digital watch that combines a retro aesthetic with modern functionality. Its black stainless steel band and compact design make it a versatile accessory suitable for various occasions. Key Features: Case Size: 38.9mm x 35mm x 9.4mmWeight: 49 gramsCase Material: Resin with black ion platingBand Material: Black stainless steel with adjustable claspWater Resistance: 50 meters (5 bar); suitable for swimming but not for divingFunctions:1/100-second stopwatch with a measuring capacity of up to 23 hours, 59 minutes, and 59 secondsCountdown timer with a range of 1 second to 24 hoursMulti-function alarm and hourly time signalFull auto-calendar pre-programmed until the year 2039Display: Digital time display with hour, minute, second, PM indicator, month, date, and day of the weekAccuracy: 30 seconds per monthBattery Life: Approximately 3 years on CR2016 batteryIllumination: LED backlight with afterglow for visibility in low-light conditions This timepiece offers a blend of nostalgic design and practical features, making it a stylish and functional accessory for everyday wear. The black ion-plated stainless steel band adds durability and a sleek appearance, while the digital functionalities cater to various timekeeping needs. SpecificationValueWROnly Splash ProofCase35 mmGenderUnisexCase MaterialResinStrap MaterialResinMovementQuartzFunctionsMultifunctionGlassMineralProduct TypeWristwatchPackagingOfficial Box