The GAS-100 comes with a stainless steel bezel for a standard design that goes well with a wide range of fashion styles, while the GAS-100G has a stainless steel bezel with a gold ion-plated finish for touch of distinctive beauty. The GAS-100B has a black aluminum bezel for a cool design. A CASIO original molding process is used to produce deposition coated hour markers that combine with the metal bezels to create a look of elegance.

  • Solar Power

    A solar cell provides power for operation

  • Magnetic Resistant

    JIS Class Level 1* magnetic resistance protects against the effects of magnetic fields. *Equivalent to ISO Standard 764

  • LED Light (Super Illuminator, Double)

    A light emitting diode is used to illuminate the face/display. Super Illuminator uses high-brightness LED for easier reading. Separate lighting for the digital and analog portions of the face for easy reading

  • World Time (R48)

    Displays the current time in major cities and specific areas around the world. R: Current time in major cities around the world. Values indicate number of cities/areas

  • Stopwatch (1/100 1HR)

    Accurate measurement of elapsed time with the touch of a button. The fraction indicates the unit of measurement, while the time figure indicates the maximum time measurement

  • Timer (100MIN)

    Counts down from a start time specified by you. The value indicates the number of timers available, while the time figure indicates the maximum starting time. “REPEAT” indicates Auto Repeat, which automatically restarts timing at the end of each countdown

  • Daily Alarm, Hourly Time Signal (5)

    The daily alarm sounds each day at the time you set. The value indicates how many alarms are available. The hourly time signal causes the watch to beep every hour on the hour

  • Full Auto-Calendar

    Allowances are made automatically for months of different lengths, including leap year

  • 12/24-Hour Timekeeping

    Times can be displayed in either 12-hour or 24-hour format

  • Operation Tone On/Off

    The tone that sounds to signal a mode change or other operation can be turned on and off

  • Battery Level Indicato

    Indicator shows the current battery level

  • Shock Resistant

    Shock-resistant construction protects against impact and vibration

  • Water Resistant (20 BAR)

    The “BAR” value indicates the number of atmospheres to which water resistance is ensured. 20 BAR means water resistance to 20 atmospheres. Watches marked “200m” have the same water resistance as 20 BAR watches

  • Mineral Glass

    Hard glass resists scratching

  • Band

    Resin

Case / bezel material: Resin / Stainless steel
Resin Band
Shock Resistant
Mineral Glass
200-meter water resistance
Double LED light
LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
Tough Solar (Solar powered)
World time
31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
1/100-second stopwatch
Measuring capacity: 59’59.99”
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer
Measuring unit: 1 second
Countdown range: 100 minutes
Countdown start time setting range: 1 second to 100 minutes (1-second increments, 1-minute increments)
5 daily alarms
Hourly time signal
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
Battery level indicator
Power Saving (display goes blank to save power when the watch is left in the dark)
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping
Analog: 2 hands (hour, minute)
Digital: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month
Approx. battery operating time:
8 months on rechargeable battery (operation period with normal use without exposure to light after charge)
19 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Size of case / Total weight
Size of case : 55.1×52.5×16.7mm
Total weight : 76g

 

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