ANALOG-DIGITAL - GA-100 SERIES - GA100-1A4

Introducing a collection of new G-SHOCK models whose 35mm diameter faces and large cases give them a look of power and strength.
Dial rings and raised hour markers create three-dimensional depth that gives the face plenty of character.
The popular G-SHOCK three-dial face design incorporates one analog dial in the center, with digital dials on either side.
These watches are designed and engineered to deliver outstanding shock resistance and water resistance, as well as anti-magnetism.
Over-sized buttons come with a checkered anti-slip surface to make operations fast and sure.
1/1000-second stopwatch, velocity indicator, World Time, 5 alarms and much more provides these models with unmatched function and performance.

Basic Information

• Case size (L× W× H)

  55 × 51.2 × 16.9 mm

• Weight

  70 g

• Case and bezel material

  Resin

• Band

  Resin Band

• Construction

  Shock Resistant
  Magnetic Resistant

• Water resistance

  200-meter water resistance

• Power supply and battery life

  Approx. battery life: 2 years on CR1220

Exterior

• Glass

  Mineral Glass

Watch Features

• World time

  World time
  29 time zones (48 cities + coordinated universal time), daylight saving on/off, home city/world time city swapping

• Stopwatch

  1/1000-second stopwatch
  Measuring capacity: 99:59'59.999''
  Measuring modes: Elapsed time, lap time, split time
  Others: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9)
  Mach indicator (speed exceeding 1225 units/hour)

• Timer

  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)
  Other: Auto-repeat

• Alarm/hourly time signal

  5 daily alarms (with 1 snooze alarm)
  Hourly time signal

• Light

  LED light
• Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow

• Light color

  LED:Amber

• Calendar

  Full auto-calendar (to year 2099)

• Accuracy

  Accuracy: ±15 seconds per month

• Other features

  12/24-hour format
  Regular timekeeping:
  Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed)
  Digital: Hour, minute, second, pm, month, date, day