Casio G-Shock GDF-100-1 Series

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Year of release: 2011
Module Number: 3255
Battery type: CR2025

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Technical specs of G-Shock GD-200

• Case: Resin
• Accuracy per month: ±15 sec
• Battery Type: CR2025
• Battery Life: 5 YRS
• LED: White
• 12/24-hour format
• Accuracy: ±15 seconds per month
• Altimeter
• Measuring range: -700 to 10,000m (-2,300 to 32,800 ft.) without reference altitude
• Measuring unit: 5m (20 ft.)
• Others: Reference altitude setting
• *Changeover between meters(m) and feet(ft.)
• Approx. battery life
• 5 years on CR2025
• Full auto-calendar (to year 2099)
• Barometer
• Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg)
• Display unit: 1 hPa (0.05 inHg)
• Atmospheric pressure differential pointer
• *Changeover between hPa and inHg
• Button operation tone on/off
• Countdown timer
• Measuring unit: 1 second
• Countdown range: 24 hours
• Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
• Daily alarms
• 5 independent daily alarms
• Hourly time signal
• LED Backlight (Super Illuminator)
• Selectable illumination duration, afterglow
• Regular timekeeping
• Hour, minute, second, pm, month, date, day
• Shock resistant (G-SHOCK)
• 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)
• World Time
• 31 time zones (48 cities), city code display, daylight saving on/off

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