The GMA-S140 series is a resized, smaller version of the G-SHOCK GA-140, which is based on the designs of stereo components and portable music players from the 1990s. For this model, the dials feature exciting hues that give them a pop image.

Case / bezel material: Resin
Resin Band
Magnetic Resistant
Shock Resistant
Mineral Glass
200-meter water resistance
LED light
Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
World time
29 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
1/1000-second stopwatch
Measuring capacity: 99:59'59.999''
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)
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
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Full auto-calendar (to year 2099)
12/24-hour format
Regular timekeeping
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed)
Digital: Hour, minute, second, pm, month, date, day
Accuracy: ±15 seconds per month
Approx. battery life: 2 years on CR1220
Size of case : 49×45.9×15.8mm
Total weight : 56g