A model that combines analog and digital, appreciated for its large dial. Simple black and white are used for the matte-finished case and strap. Four LCD windows and a tachymeter are symmetrically positioned on the dial to create a clean design. It boasts excellent practicality, with a millisecond measurement stopwatch, tachymeter and JIS class 1 magnetic resistance. A rugged model that shines on the street fashion scene.
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-100B-7A
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-100B-7A
