This Black Casio Sea Pathfinder helps map the conditions with its digital compass, thermometer and other useful tools. Features a Solar Triple Sensor and a resin band.Digital Compass.Measures and displays direction as one of 16 points. Measuring range : 0 to 359.Measuring unit : 1. Bi-directional calibration and northerly. calibration function. Barometer. Display range : 260 to 1,100 hPa/mb (7.65 to 32.45 inHg). Display unit : 1 hPa/mb (0.05 inHg). Atmospheric pressure tendency graph. *Changeover between hPa and inHg. Thermometer. Display range : -10 to 60�C (14 to 140�F). Display unit : 0.1�C (0.2�F). *Changeover between Celsius (�C) and Fahrenheit (�F). Tide Graph. Moon Data (moon age and graph). 100M Water Resistant. Low-temperature resistant(-10�C /140�F). Auto EL Backlight with Afterglow. Duplex LCD Display. 5 Daily Alarms. Countdown Yacht Timer. Input range : 1 second to 60 minutes.Measuring Unit : 1 second.Auto-repeat Function. With repeat timing, stopwatch automatically starts when countdown is complete. 1-second stopwatch operation when started from the 0 �00 � display.Measuring capacity : 99 : 59’59. Measuring modes : Elapsed time, split time, 1st-2nd place times. Hourly Time Signal. Auto Calendar (Pre-programmed until the year 2039). 12/24 Hour Formats. Approx. Battery Life : 2 years on SR927W � 4. Module 2273.