GM2100B-3A

Carbon Core Guard structure with metal case.

Go sleek, sharp and bold with a G-SHOCK standard-bearer in a metal-clad octagonal take on the original iconic design.
Forged in stainless steel with rounded hairline finish, the strong bezel says super style all the way. The dial is treated with vapor deposition finish for a meticulously detailed metallic look that suits a classic metal G-SHOCK timepiece. Incremental variations in the detailed square dot texturing on the wristband take casual urethane materials up a notch.

Carbon Core Guard structure logo

The latest addition to the G-SHOCK line of shock-resistant watches. The new GM-2100 is based on the GA-2100, which is popular for its octagonal shape and streamlined design, but now incorporates a metal bezel for an even more stylish look.

Released in 2019, the base-model GA-2100 inherited the concept of the DW-5000C, the very first G-SHOCK, but was a digital-analog combination model with a slim profile and streamlined design. With its distinct octagonal shape and straightforward design, the GA-2100 has been a popular choice worldwide, particularly among young people.

The new GM-2100 retains the streamlined form and slim profile of the GA-2100, but adds a new forged metal bezel to give the watch a sharper look. A round hairline finish is applied to the top surface of the bezel and a mirror polish to the sides, giving it a beautiful metallic gleam. Options with blue-gray IP (GM-2100N) and dark gray IP (GM-2100B) bezels are available, to suit any smart style. The dials are treated with a vapor deposition finish in new navy blue, green, and red hues to achieve appealing metallic color schemes. The watch band employs a square dot texture with incremental variations in dot size, resulting in a sharp look to match the face design.

Bezel forging process

Shock Resistant

Shock-resistant construction protects against impact and vibration.

  • 200M Water Resistant

  • Full Auto Super LED

    (Double)

  • 5 Alarms

  • 1/100 Stopwatch

    (1Hr)

  • Countdown Timer

    (24Hr)

  • Full auto Calendar

  • World Time

    (31TZ, 48Cities+UTC)

  • Hand Retract Function

  • Case

    Blue Gray IP Bezel

  • Shock Resistant
  • Mineral Glass
  • Neobrite
  • 200-meter water resistance
  • Case / bezel material: Resin / Gray IP Stainless steel
  • Resin Band
  • Double LED light
    LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
    LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
  • 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:
    00’00”00~59’59”99 (for the first 60 minutes)
    1:00’00”~23:59’59” (after 60 minutes)
    Measuring unit:
    1/100 second (for the first 60 minutes)
    1 second (after 60 minutes)
    Measuring modes: Elapsed time, split time, 1st-2nd place times
  • Countdown timer
    Measuring unit: 1 second
    Countdown range: 24 hours
    Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
  • 5 daily alarms
  • Hourly time signal
  • Hand shift feature
  • Full auto-calendar (to year 2099)
  • 12/24-hour format
  • Button operation tone on/off
  • Regular timekeeping
    Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
    Digital: Hour, minute, second, pm, month, date
  • Accuracy: ±15 seconds per month
  • Approx. battery life: 3 years on SR726W × 2
  • LED: Reverse
  • Module No. 5611
  • Size of case: 49.3×44.4×11.8mm
  • Total weight: 72g
  • UPC: 889232304755

Operation Guide (PDF)
Quick Reference (PDF)
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