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The GWT1030E-9 30th Anniverary FROGMAN from the Master of G line is a dive specialist watch, featuring ISO Certified 200M Water Resistance, titanium case wrapped in a tough resin, a screw-lock case back and Tough Solar Power for long lasting performance. The model also features a Full Auto EL Backlight, Tide/Moon Graphs, Data Memory up to 10 logs, and comes equipped with 48-city World Time+UTC, 1/100th Second Stopwatch, Countdown Timer and 12/24 Hour time formats. The asymmetric design of the FROGMAN with its offset case and larger band provides superior fit against the skin or over a wetsuit, and allows for maximum range of movement whether paddling, bodysurfing, free or deepwater diving. For the ultimate in precision, the GWFT1030E-9 FROGMAN incorporates G-SHOCK's unique Multi-Band 6 Atomic Timekeeping technology for radio-controlled automatic time/date updating based on the wearer's home city setting from up to 6 transmission stations around the world.

  • Multi-Band 6 Atomic Timekeeping
  • Tough Solar
  • Shock Resistant
  • ISO 200M Water Resistant







  • Band Type:  Resin
  • Color:  Yellow
  • Dial Code:  Digital

Technical Specs

  • Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China)
    Receives time calibration radio signals which keep the displayed time accurate
    Auto receive function up to 6 times per day (up to 5 times per day for China)
    Manual receive function
    Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC
    Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, China BPC 68.5kHz
  • Tough Solar Power
  • Shock Resistant
  • ISO 200M Water Resistant
  • Full Auto EL Backlight with Afterglow
  • World Time
    31 times zones (48 cities + UTC), city code display, daylight saving on/off
  • Moon Data (moon age of the specific data, moon phase graph)
  • Tide Graph (tide level for specific date and time)
  • Dive time and surface interval measurement function
    Dive time: 1 second increments, up to 23:59'59
    Surface interval: 1 minute increments, up to 47:59'59
    Memory capacity: One set of data (dive time, dive start time and surface interval)
  • 1/100 second stopwatch
    Measuring capacity: 23:59'59.99"
    Measuring modes: Elapsed time, split time, 1st-2nd place times
  • Countdown timer
    Measuring unit: 1 second
    Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
  • 4 Daily alarms and 1 Snooze Alarm
  • Hourly time signal
  • Battery power indicator
  • Power saving function
  • Button Operation Tone on/off
  • Full auto-calendar (pre-programmed until the year 2099)
  • 12/24 hour formats
  • Accuracy: +/- 15 seconds per month
  • Storage battery: Solar rechargeable battery
  • Approx. battery life: 8 months on full charge (without further exposure to light)
  • Module: 3184

Size of case / total weight
GWFT1030E 58.3 x 52.8 x 18.0mm / 115g
GWFT1030A 58.3 x 52.8 x 18.0mm / 115g
GWF1000 58.3 x 52.8 x 18.0mm / 115g