Casio G-Shock GMA-S140 Watches

Women’s G-Shock series for fans of shockproof watches and retro-style. The design of the model resembles vintage music players of the 90s, which also used film media – cassettes. The series is a female analogue of GA-140, only in a reduced form [49 × 45.9 × 15.8 versus 55 × 51.2 × 16.9 mm], but with full preservation of the functionality and strength characteristics of the case. The color scheme includes calm pastel shades that are perfect for sportswear and sneakers. The abundance of digital windows simplifies the display of information, while the classic analog dial fully copes with its function of convenient time display. The watch is equipped with a stopwatch, timer, alarm clock, world clock and perpetual calendar.

Important Information

  • Price — 100$ *average Amazon Price, we may earn commission from purchases
  • Year of first Release —  2019
  • Module Number — 5613 / Manual
  • Model Range — G-SHOCK WOMEN (The Line includes watches that are smaller than original men’s variant, but have the same functions, technologies and other specs. Usually meant for women but also good for children and small wrists.)
  • Other Divisions the GMA-S140 belongs to: *you may find all watches of the division by clicking on the link
  • Battery Type — CR1220 (G-Shock Batteries)

GMA-S140 Model Range *may be updated


The most distinctive specs of GMA-S140 *Editorial
— 200-meter water resistance
(good for swimming but not for deep diving)
— Speed measurement (if you know the distance, you will know the speed in your watch)
— ISO 764 class magnetic resistant (A magnetic-resistant plate is mounted on the module. The plate prevents magnetic fields from interfering with proper movement of the hands in daily use)


Official Marketing Focus from Casio

From the G-SHOCK S-Series of highly popular analog-digital watch comes new model with new face and hand design.
As with the G-SHOCK GA-140, these models features a motif that resembles a 90’s stereo component device or portable music player that has been updated to a modern refined look.
Subdued pink and blue, purple, and lime coloring matches the hues of modern sneakers.

Official GMA-S140 Specs / Features *for base version GMA-S140-1A

  • 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

Recent News about GMA-S140 

All Casio GMA-S140 News →


You ask, we answer…

How does Speed measurement in GMA-S140 work?

If you know the distance, you will know the speed in your watch.

What does ISO 764 class magnetic resistant in GMA-S140 mean?

A magnetic-resistant plate is mounted on the module. The plate prevents magnetic fields from interfering with proper movement of the hands in daily use.

What model range does GMA-S140 belong to?

G-SHOCK WOMEN (The Line includes watches that are smaller than original men’s variant, but have the same functions, technologies and other specs. Usually meant for women but also good for children and small wrists.)

Spread the love