G-SHOCK GA-2100BM-7A5DR Octagonal Bezel

The shimmering color and cool translucence of the GA-2100BM.

The GA-2100 with octagonal bezel is paired with a dial finished in metallic vapor deposition in popular color — rose gold — offset by a translucent band for a confidently cool look.

These colourful watches make a great accessory for your street-savviest fashion.

Specifications

Basic Information

• Case size (L × W × H): 48.5 × 45.4 × 11.8 mm
• Weight: 51 g
• Case and bezel material: Carbon / Resin
• Band: Resin Band
• Construction: Shock Resistant, Carbon Core Guard Structure
• Water resistance: 200-meter water resistance

Power Supply and Battery Life

• Battery type: SR726W × 2
• Approx. battery life: 3 years

Exterior

• Glass: Mineral Glass
• Compatible band size: 145 to 215 mm
• Other: Neobrite (glow-in-the-dark coating for better visibility)

Watch Features

World Time

• 31 time zones (48 cities + UTC)
• Daylight saving on/off

Stopwatch

• Measuring capacity:
  • 00'00''00 ~ 59'59''99 (1/100-second)
  • 1:00'00 ~ 23:59'59 (1-second)
• Measuring modes: Elapsed time, split time, 1st-2nd place times

Timer

• Countdown range: 24 hours
• Start time setting: 1 second to 24 hours
  • Increments: 1-second, 1-minute, 1-hour
• Measuring unit: 1 second

Alarms & Time Signal

• 5 daily alarms
• Hourly time signal

Light

• Double LED Light:
  • Face: Super Illuminator (1.5s / 3s with afterglow)
  • Digital display: Super Illuminator (1.5s / 3s with afterglow)
• LED Color: White

Calendar

• Full auto-calendar (to year 2099)

Mute Function

• Button operation tone on/off

Accuracy

• ±15 seconds per month

Other Features

• 12/24-hour format
• Hand Shift Feature: Hands move away to reveal the digital display
• Regular Timekeeping:
  • Analog: 2 hands (hour, minute – moves every 20 seconds), 1 day-of-week dial
  • Digital: Hour, minute, second, PM, month, date