The G-Shock GA-100-1A4ER combines bold styling with rugged performance. Featuring shock resistance, magnetic resistance and 200m water resistance, this analogue-digital watch is built for active lifestyles. It includes World Time, a 1/1000-second stopwatch, countdown timer, five alarms and LED light, making it a versatile everyday choice.

Features:

• 29 time zones (48 cities + Coordinated Universal Time), daylight saving on/off, home city/world time city swapping

Stopwatch:

• 1/1000-second stopwatch
• Measuring capacity: 99:59'59.99''
• Measuring modes: Elapsed time, lap time, split time
• Others: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9)
• Mach indicator (speed exceeding 1225 units/hour)

Timer:

• Countdown timer
• Measuring unit: 1 second
• Countdown range: 24 hours
• Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments
• Other: Auto-repeat

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 seconds or 3 seconds), afterglow
• Light colour: Amber

Calendar:

• Full auto-calendar (to year 2099)

Accuracy:

• Accuracy:±15 seconds per month

Other features:

• 12/24-hour format
• Regular timekeeping:
• Analogue: 2 hands (hour, minute (hand moves every 20 seconds), 1 dial (speed)
• Digital: Hour, minute, second, pm, month, date, day

Exterior:

• Case & bezel: Resin
• Band: Resin
• Compatible band size: 145 to 215mm
• Weight: 70g

Construction:

• Shock resistant
• Magnetic Resistant

Water resistance:

• 200-metre water resistance

Power Supply:

• Battery CR1220