Casio Classic Quartz Calculator CA-506-1DF CA506-1DF Men's Watch Features: Stainless Steel Metal Band Quartz Movement 8-Digit Calculator Quartz Movement Dual Time Daily Alarm 1/100 second stopwatch Measuring capacity 23 hours, 59 minutes, 59.99 seconds Hourly Time Signal Auto Calendar (pre-programmed until the year 2079) Accuracy +/-15 seconds per month 12/24-hour Format Water Resist
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