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Large black resin G-Shock watch with red accents, 55 mm case, three sub-dials, rubber strap

CASIO

CASIO GA100-1A4 G-Shock watch 55 mm black red

SKU CH-EVY0-T6W4D

An oversized analogue-digital sports watch with 200 m water resistance, 1/1000-second chronograph, world time for 48 cities, auto LED light and magnetic resistance

  • StyleSports
  • Series NameG Shock
  • MaterialPlastic
  • MovementQuartz
  • ColorBlack
  • ResizableNo
  • X-Large 55 mm case makes a bold wrist presence
  • 200 m water resistance suits serious surface water sports
  • Anti-magnetic build protects timing in magnetic fields
  • Auto LED light with afterglow keeps display readable at night
  • World time covers 48 cities for multi-zone tracking

X-Large G-Shock for sport timing

The Casio GA100-1A4 is an analogue-digital sports watch with a 55 mm resin case and rubber band. Quartz movement powers a 1/1000-second chronograph, countdown timer, speed timer, world time for 48 cities, daily alarm with snooze, auto LED light with afterglow and day-date calendar. Water resistance is rated to 200 m (660 ft) for serious surface water sports.

Suits athletes needing stopwatch precision

The anti-magnetic, shock-resistant build serves runners, swimmers and outdoor users who want multiple timing functions on a large, high-contrast dial. Buyers who require a watch certified for scuba diving should look elsewhere, as the specification covers professional marine activity and surface sports only.

1/1000-second chronograph decides the fit

This resolution supports split-second lap measurement for interval training and competition timing. If your activity only needs minute-level tracking, a simpler model will cover the requirement.

特長

  • X-Large 55 mm case makes a bold wrist presence
  • 200 m water resistance suits serious surface water sports
  • Anti-magnetic build protects timing in magnetic fields
  • Auto LED light with afterglow keeps display readable at night
  • World time covers 48 cities for multi-zone tracking

仕様

BrandCASIO
ModelGA100-1A4
StyleSports
Series NameG Shock
MaterialPlastic
MovementQuartz
ColorBlack
ResizableNo
AdjustableNo
Metal StampResin
Stonedate
Stone Cut Quality200M
ShapeRound
Dial ColorBlack
Dial MarkersIndex
DisplayDigital
DateDate
ChronographChronograph
Band MaterialRubber
Band Length8
Band Width16.9
FastenerBuckle
GenderMale
AgeAdult
Condition51.20 mm
BezelFixed Bezel
Case Diameter51
Case MaterialResin
Case Thickness51.20 mm
CrystalMineral
Water-Resistant200m
Special FeaturesShock and Magnetic Resistant, Auto LED Light with Afterglow, World Time, 4 Daily Alarms, 1 Snooze Alarm, Hourly Time Signal, and Countdown Timer
AlarmYes
AltimeterMineral Crystal
Heart Rate MonitorFixed Bezel
Indications & FunctionsIndex
App-EnabledYes
Size/Dimensions51mm wide by 17mm thick

この商品に関する質問

How often will the battery need replacing in the GA100-1A4?

The quartz movement runs on a standard button cell; typical life is several years, and a watchmaker can swap it in minutes when the display dims.

What stops the chronograph from running indefinitely?

The 1/1000-second chronograph and stopwatch draw extra current, so continuous timing will drain the cell faster than normal timekeeping.

How warm does the case get and how loud is the alarm after all-day wear?

The resin case stays near skin temperature, and the hourly signal plus daily alarm are audible beeps, not a speaker, so heat and noise remain minimal.

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