• Measuring unit: 1 degree
• 10 seconds continuous measurement
• Graphic direction pointer
• Bearing Sensor Correction
• Magnetic Declination correction
• Thermometer
• Display range: -10 to 60 C (14 to 140 F)
• Display unit: 0.1 C (0.2 F)
• EL Backlight with Afterglow 
• World Time 29 times zones
• 4 Daily Alarms and 1 Snooze Alarm
• Countdown Timer
• Measuring unit: 1 second
• Countdown range: 24 hours
• 1/100 second stopwatch
• Hourly Time Signal
• Auto Calendar 
• 12/24 Hour Format
• Button operation tone on/off
• Accuracy: +/-20 seconds per month (with no signal calibration)
• Storage Battery CR2025
• Approx. battery life: 3 years
• Module 3157

Size of case/total weight
SGW100B 51.5 X 47.6 X 13.2mm / 53g