Casio Men's Vintage Calculator Resin Band Water Resistant Watch

• 8-Digit Calculator (Constants for addition, subtraction, multiplication and division )

• Water Resistant, Dual Time, Daily Alarm

• Hourly Time Signal, Auto Calendar (pre-programmed until the year 2079)

• Accuracy: +/-15 seconds per month, Battery CR2016

• Approx. battery life: 5 years, Module 437, Size of case/total weight: 42.0 x 33.0 x 7.0mm / 29g