GMAS2100-7A

THE SLIM, LIGHTWEIGHT, COMPACT GMA-S2100

Featuring the latest GMA-S2100, a smaller version of the best-selling GA-2100. The watch stands at 11.2mm thick beating GA-2100 as the slimmest G-SHOCK watch. Packed with an octagonal bezel, flat face, simple bar hour markers, and carbon core guard structure that are distinctive features of the GA-2100.

Carbon Core Guard Structure
A new carbon core guard structure protects the module by enclosing it in a carbon case. The case is made of fine resin embedded with carbon fibers for outstanding strength, crack resistance, and durability.

Carbon Core Guard structure logo

  • Full Auto Super LED

    (Double)

  • 1/100 Stopwatch

    (1Hr)

  • Countdown Timer

    (24Hr)

  • World Time

    (31TZ, 48Cities+UTC)

  • Case / bezel material: Carbon / Resin 
  • Resin Band
  • Mineral Glass
  • Neobrite
  • Shock Resistant
  • Carbon Core Guard structure
  • 200-meter water resistance
  • 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
  • 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
  • Size of case: 46.2×42.9×11.2mm
  • Total weight: 41g
  • UPC: 889232300405

Operation Guide (PDF)
Quick Reference (PDF)
CASIO WATCH MANUAL ARCHIVES ^
CASIO SUPPORT ^

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