Casio General x POP ft. Mini Calculator Men Casual Rectangle Water Resistant Watch CA-53WB-8B CA53WB CA53 CA-53 CA-53WBExperience nostalgia and functionality with the CA-53 watch, inspired by the classic 1972 Casio Mini calculator. Featuring a calculator-style LCD display, full keypad, and retro-modern design with green text and a red mode indicator, this timepiece tells time and performs calculations. It also includes dual time, a stopwatch, and an alarm, all in a sustainable bio-based resin band for a stylish, eco-friendly accessory.Module / Movement3208 (quartz)Battery Life / AccuracyApproximately 5 years (+/-15 seconds per month)CrystalResin glassLightNilCase / Band MaterialResin case with bio-based resin bandWater ResistanceWater resistantCase SizeThickness: 8.2 mmDiameter: 34.4 mmLength: 43.2 mmOther SpecificationsCasio General x POP ft. Mini CalculatorDual time1/100-second stopwatch (up to 24 hours, elapsed time, split time)Daily alarmHourly time signalFull auto-calendar (to year 2099)Button operation tone on/off8-digit calculator12/24-hour formatRegular timekeeping (digital display)