Product Description Model Number: PRW-3000B-5 [Discontinued Rare Overseas Model] Mechanism: Tough Solar [Radio-controlled Solar Watch] H x W x D: Approximately 56 x 47 x 12.3mm, 59g Material: Case: Resin, Aluminum Belt: Nylon & Leather Cross Windshield: Inorganic Glass Water Resistance: 10 Bar Water Resistance Functions: Radio Wave Reception Function: Automatic Reception/Manual Reception, Bearing Measurement Function: Measures 16 directions and angles, continuous bearing measurement, graphic display of north, south, east, and west, bearing memory, magnetic declination correction function, bearing correction function Barometric Pressure Measurement Function, Barometric Pressure Trend Graph Display, Barometric Pressure Difference Graphic, Barometric Pressure Trend Information Alarm Altitude Measurement Function/Relative Altimeter, Altitude Memory, Automatic Recording Data, Auto Accumulation, 14 Mountain Climbing Record Data, Auto Accumulation, Altitude Difference Measurement, Measurement Interval Setting Function Temperature Measurement Function World Time: Displays the time of 48 cities + UTC (Coordinated Universal Time) Sunrise/Sunset Time Display Stopwatch Timer 5 Time Alarms Hourly Time Signal Battery Indicator Display Power Saving Function Full Auto Calendar 12/24 Hour Display Switching Low-Temperature Resistance Specification Operation Sound ON/OFF Switching Function LED Backlight