G-SHOCK, the indestructible watch brand, presents a combined model that combines analog and digital displays. Equipped with millisecond stopwatch and tachymeter, it boasts JIS class 1 magnetic resistance and excellent practicality. The dial design consists of four large LCD displays with large aluminum hands, which are lightweight and have excellent shock resistance. The displays, analog and digital, are arranged symmetrically, giving the dial a dynamic design.
Case dimensions (H x W x D)
55 × 51.2 × 16.9 mm
Weight
70 g
Case and bezel material
resin
Strap
Resin strap
Structure
Shock resistant
Magnetic resistance
Waterproof
Waterproof up to 20 bar
Power and battery life
Approximate life battery life: 2 years with CR1220
Glass
Mineral glass
World time
World time
29 time zones (48 cities + Coordinated Universal Time), daylight saving time on/off, switching from Home City to World Time City
Stopwatch
Thousandths of a second stopwatch
Measuring capacity: 99:59’59.999”
Measurement modes: Elapsed time, lap time, split time
Other: Speed (0 to 1998 units/hour), distance input (0.0 to 99.9)
Mach Index (speed above 1225 units/hour)
Timer
Countdown timer
Unit of measurement: 1 second
Countdown interval: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1 minute increments and 1 hour increments)
Other: automatic repeat
Audible reminder / Hourly alarm
5 daily audible reminders (with 1 delayed audible reminder)
Hourly alarm
Light
LED light
Auto light switch, selectable light duration (1.5 seconds or 3 seconds), afterglow
Light color
LED:Amber
Calendar
< div>Full automatic calendar (up to the year 2099)
Accuracy
Accuracy: ±15 seconds per month
Other features
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed)
Digital: hour, minute, second, pm, month, date, day
GA-100-1A1
Case dimensions (H x W x D)
55 × 51.2 × 16.9 mm
Weight
70 g
Case and bezel material
resin
Strap
Resin strap
Structure
Shock resistant
Magnetic resistance
Waterproof
Waterproof up to 20 bar
Power and battery life
Approximate life battery life: 2 years with CR1220
Glass
Mineral glass
World time
World time
29 time zones (48 cities + Coordinated Universal Time), daylight saving time on/off, switching from Home City to World Time City
Stopwatch
Thousandths of a second stopwatch
Measuring capacity: 99:59’59.999”
Measurement modes: Elapsed time, lap time, split time
Other: Speed (0 to 1998 units/hour), distance input (0.0 to 99.9)
Mach Index (speed above 1225 units/hour)
Timer
Countdown timer
Unit of measurement: 1 second
Countdown interval: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1 minute increments and 1 hour increments)
Other: automatic repeat
Audible reminder / Hourly alarm
5 daily audible reminders (with 1 delayed audible reminder)
Hourly alarm
Light
LED light
Auto light switch, selectable light duration (1.5 seconds or 3 seconds), afterglow
Light color
LED:Amber
Calendar
< div>Full automatic calendar (up to the year 2099)
Accuracy
Accuracy: ±15 seconds per month
Other features
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed)
Digital: hour, minute, second, pm, month, date, day
GA-100-1A1
