CASIO G-SHOCK AW-591BB-1A

Specifications

Basic Information

• Case Size (L× W× H): 52 × 46.4 × 14.9 mm
• Weight: 58 g
• Case & Bezel Material: Resin / Aluminum
• Band: Resin Band
• Construction: Shock Resistant
• Water Resistance: 200-meter water resistance
• Power Supply & Battery Life: Approx. 3 years on CR1220

Exterior

• Glass: Mineral Glass
• Other Feature: Neobrite

Watch Features

✅ World Time

• 29 time zones (27 cities + Coordinated Greenwich Mean Time)
• Daylight saving on/off

✅ Stopwatch

• 1/100-second stopwatch
• Measuring capacity: 59’59.99″
• Measuring modes: Elapsed time, split time, 1st-2nd place times

✅ Timer

• Countdown timer
• Measuring unit: 1 second
• Countdown range: 60 minutes
• Countdown start setting: 1 to 60 minutes (1-minute increments)
• Additional: Auto-repeat, progress beeper

✅ Alarm / Hourly Time Signal

• 5 daily alarms (with 1 snooze alarm)
• Hourly time signal

✅ Light

• LED light
• Auto light switch, selectable illumination duration (1.5 or 3 seconds), afterglow
• Light Color: LED: Amber

✅ Calendar

• Full auto-calendar (up to the year 2039)

✅ Accuracy

• ±15 seconds per month

✅ Other Features

• 12/24-hour format
• Regular Timekeeping:
  • Analog: 2 hands (hour, minute—hand moves every 20 seconds)
  • Digital: Hour, minute, second, PM, month, date, day