Casio 1980s Blue Calculator Watch CA-53WF-2BC Alarm Stopwatch New Poptone A special sensor measures the

A special sensor measures the air pressure (measuring range: 260/1100 hPa) and presents this on the display in the form of a symbol

Auto Calendar (pre-programmed until the year 2039)

5 seconds / 3 seconds

— 100-hour capacity

World Time

Casio 1980s Blue Calculator Watch CA-53WF-2BC Alarm Stopwatch New Poptone A special sensor measures theA vintage Casio calculator watch. Math straight from your wrist. Dual Time Water Resistant 8 Digit Calculator Constant for addition (+), subtraction ( ), multiplication (x) and division ( ) 1 100 second stopwatch Measuring capacity: 23: 59'59: 99" Measuring mode: net time, split time, 1st 2nd place times Daily alarm Hourly time signal Auto calendar (per programmed until the year 2079) Accuracy: 30 seconds per month Battery: Approx. 5 years on CR2016