Casio G-SHOCK Resin Black Dial Men's Multi-Function Solar Watch - GRB300-1A
SKU: GRB300-1A
With the holiday season around the corner, we advise you that orders placed from 20 December 2024 to 5 January 2025 will be processed starting 6 January 2025. All of us at The Watch Factory extend our warmest wishes for a Merry Christmas and a Happy New Year to all our customers!
The sky’s the limit! Introducing the GRAVITYMASTER GR-B300, a piece of aviation-inspired professional gear designed to work even in the harshest environments, from the G-SHOCK MASTER of G line.
The GR-B300 features a Carbon Core Guard structure, which delivers the shock-resistance, rigidity, and corrosion-resistance of carbon material used in aircraft fuselages. The carbon fibre reinforced resin case and the seamless bezel design inspired by next-generation aircraft come together in a bold and powerful form.
Envision the world through a pilot’s eyes with the flight log memory function for recording current location and time, as well as dual-time simultaneously displaying the time in two time zones. In addition, simply tap on the app to instantly switch between the time back home and local time — a practical function to make traveling abroad that much smoother. Large, dimensional index marks and a metal bezel accentuating the large watch face exude functionality, enhancing the visibility that is so important for pilots, whose job demands intuitive reading of time. The rotary disc indicator at the 9 o’clock position uses a dual-coil motor to ensure smooth rotation and functional beauty. The indicator not only rotates to display alarm on/off and stopwatch; it functions as a battery level indicator as well. The high-contrast black and white colour scheme dotted with colour accents on the dial and buttons evokes the look of a cockpit instrument panel, while dark colour variations express the practical functionality of an aviation worldview.
Key resin components used in the case, bezel, and band are made with bio-based resin, a material expected to help reduce environmental impact.
SPECIFICATIONS
Construction: Shock Resistant
Carbon Core Guard structure
Time Adjustment:
Bluetooth: Connects to a smartphone and automatically adjusts the time
Power Supply And Battery Life:
Tough Solar (Solar powered)
Surface Treatment:
Other: Neobrite
Screw Lock Crown
Light Colour: White
Accuracy: ±15 seconds per month
SIZE & MATERIALS
Band Type: Bio-based Resin Band
Case And Bezel Material: Carbon, Bio-based Resin
Size: 59 × 54.7 × 15.7 mm
Colour: Black
Compatible Band Size: 145 to 215 mm
Glass: Mineral Glass
Weight: 71 g
FEATURES
Water Resistance: 200 M
World Time:
31 time zones (48 cities + coordinated universal time)
City code display
Daylight saving on/off
Timer:
Countdown timer
Measuring unit: 1 second
Countdown range: 60 minutes
Countdown start time setting range: 1 to 60 minutes (1-minute increments)
Light:
LED light (Super Illuminator)
Afterglow
Calendar: Full auto-calendar (to year 2099)
Stopwatch:
1/100-second stopwatch
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Alarm/Hourly Time Signal:
5 daily alarms (with 1 snooze alarm)
Hourly Time Signal
Mute Feature:
Button operation tone on/off
Battery Display/Alert
Low Battery Warning
Other Features:
12/24-hour format
Regular timekeeping:
Analogue: 3 hands (hour, minute (hand moves every 10 seconds), second)
Warranty: 2 Year International Manufacturer's Warranty
What is Water Resistance?
Every watch is designed differently and the individual design of each watch determines how resistant to water pressure that watch is. You should always check the water resistance measure of a watch before using it, so you can decide when to wear it and when to take it off.
What is the ATM?
The ATM of a watch is short for Atmospheres and is a measure of the level of water pressure a watch is designed to withhold. A higher ATM means that a watch can withhold more water pressure, whilst a lower ATM mean that it was designed to withstand less pressure.
Metres: A Common Misconception
The ATM or water resistance of a watch can also be expressed as a number of metres, such as 10 metres. This does not mean that a watch can be taken 10 metres below sea level - although that is a common misconception. It is simply the number of times the pressure at sea level a watch can withstand without letting water in. For example, a watch with an ATM of 1 can withstand 10m of pressure, whilst a watch with an ATM of 5 can withstand 50m of pressure.
Using Your Watch in Water
The ATM of your watch will allow you to determine how and where you can use your watch. The ATM is usually engraved on the case-back of every watch. If you're having trouble finding it you may need to visit the watch manufacturer's website or contact them directly. You can use the chart below to guide you on using your watch in water. For example, if your watch has an ATM of 5, you can safely use it when you're washing hands and if it's raining outside, but you should not take it diving, swimming, bathing or showering.
Swimming, Bathing or Showering With Your Watch
The Watch Factory recommends purchasing a watch of at least 20ATM if you wish to wear your watch whilst swimming, bathing or showering. Wearing a watch with a lower ATM whilst swimming, bathing or showering may not always damage the watch, however we urge on the side of caution due to the delicate nature of watches.
Water Getting Into Your Watch
The internal mechanisms that keep your watch ticking are protected from water by the case, crown and seals that prevent water from getting in. Damage to any of these parts of your watch may void your watch's water resistance and cause moisture to get in. A common issue is when the crown has come loose and the seal has been damaged, which allows moisture to get in. If you believe that there is any damage to your watch, it is best to get it assessed by a watch maker who can check the water resistance is intact.
We currently provide shipping services to both Australia and New Zealand. For more details regarding our shipping policies, please refer to our dedicated 'Shipping Policy' page.
Products must be returned within 30 days of receiving your order. They should be in their original condition, unworn, unused, with all tags still attached, and in the original packaging. For more details, please refer to our return policy.
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