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Casio G-Shock GSTB300E-5A G-STEEL Solar Powered Bluetooth Stainless Band Watch


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  • 30 day returns
  • Free shipping
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  • 6-month warranty

At a Glance

Introducing the new rugged style of G-STEEL models that feature Carbon Core Guard structures. These new models adopt tough G-SHOCK styling with a disk indicator at 6 o?clock that shows the current mode and charge level, and a front button that completes the overall rugged look. The disk, a round graphic digital display between 1 and 2 o’clock, and a digital display as 12 o’clock add to both functionality and looks. The GSTB300 model comes with a resin band.

Included with Purchase

* Casio G-Shock GSTB300E-5A
* G-Shock Inner Tin
* Instruction Module
* 1 Year Casio International Warranty Card


* Solar Powered
* Bluetooth Smartphone Link
* Stainless Steel Band
* Shock Resistant
* 200M Water Resistant


* Shock Resistant
* Carbon Core Guard structure
* Mineral Glass
* Neobrite
* 200-meter water resistance
* Case / bezel material: Carbon / Stainless steel
* Resin Band
* Double LED light
* LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
* LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
* Tough Solar (Solar powered)
* Mobile link (Wireless linking using Bluetooth®)
* World time
* 39 time zones* (39 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping
* *May be updated when connected to a smartphone.
* 1/1000-second stopwatch
* Measuring capacity:
* 00’00”000~59’59”999 (for the first 60 minutes)
* 1:00’00”0~23:59’59”9 (after 60 minutes)
* Measuring unit:
* 1/1000 second (for the first 60 minutes)
* 1/10 second (after 60 minutes)
* Measuring modes: Elapsed time, split time
* Countdown timer
* Measuring unit: 1/10 second
* Countdown range: 24 hours
* Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
* 5 multi-function alarms (with daily, 1 time, schedule)
* Hourly time signal
* Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
* Battery level indicator
* Full auto-calendar (to year 2099)
* 12/24-hour format
* Button operation tone on/off
* Power Saving (display goes blank and hands stop to save power when the watch is left in the dark)
* Regular timekeeping
* Analog: 3 hands (hour, minute (hand moves every 10 seconds), second),
* Digital: Hour, minute, second, pm, month, date, day
* Accuracy: ±15 seconds per month (with no mobile link function)
* Approx. battery operating time:
* 6 months on rechargeable battery (operation period with normal use without exposure to light after charge)
* 20 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
* LED:White
* Module: 5631
* Size of case: 51×50×14.5mm
* Total weight: 91g

Shock Resistant

Stable solar power

Keeps yourself in time

20 bar water resistant

Shock Resistant

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