Casio Vintage Digital Watch with Calculator – CA-500WE-1ADF

Specifications:

Approx. battery life: 5 years on CR2016
Accuracy: ±30 seconds per month
Compatible band size: 150 to 205 mm
Full auto-calendar (to year 2099)
Dual time
Daily alarm
Hourly time signal
Mute feature: Button operation tone on/off
8-digit calculator
12/24-hour format
Regular timekeeping: Hour, minute, second, am/pm, year, month, date, day