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At A Glance

Highlighted in rose gold and black IP (ion plating), the GW1800BRJ-1A is one of four impeccably designed timepieces within the G-Shock Rose Gold x Black collection. This timepiece takes a classic analog/digital G-Shock to a higher plateau, adding Solar Atomic timekeeping and a tough solid stainless steel band with black IP. Its rose gold hands and markers further accent the watch face and add a beautiful contrast to the reverse LCD.




  • Band Type:  Metal
  • Color:  Black
  • Dial Code:  Ana-Digi

Technical Specs

  • Multi-Band Atomic Timekeeping (US, Japan)
  • Receives time calibration radio signals which keep the displayed time accurate
  • Auto receive function (up to 3 times per day)
  • Manual receive function
  • Signal: US WWVB, Japan JJY40/JJY60
  • Frequency: US 60kHz, Japan 40/60kHz
  • Tough Solar Power
  • Shock Resistant
  • 200M Water Resistant
  • LED Super Illuminator with Afterglow
  • World Time
  • 29 times zones (48 cities), city code display, daylight saving on/off
  • Daily Alarm
  • Countdown Timer
  • Measuring unit: 1 second
  • Countdown range: 1 minute to 60 minutes
  • 1/100 second stopwatch
  • Measuring capacity: 59'59.99"
  • Measuring modes: Elapsed time, split time, 1st-2nd place times
  • Hourly Time Signal
  • Button Tone Operation on/off
  • Auto Calendar (pre-programmed until the year 2099)
  • 12/24 Hour Formats
  • Accuracy: +/- seconds per month (with no signal calibration)
  • Storage Battery CTL1616
  • Battery Power Indicator
  • Power Saving Function
  • Approx. battery life: months on full charge (without further exposure to light)
  • Module 4359

Size of case/total weight
GW1800BRJ 44.7 x 44.9 x 14.5mm / 140g