| Reference Ocarat | #128879 |
| Reference | GR-B300H-5AER |
| Brand | Casio G-Shock |
| Product Type | Smartwatch Watch |
| Gender | Men |
| Color | Black Brown Yellow |
| Material | Carbon Synthetic |
| Material Quality | Carbon Fiber Resin |
| Warranty | 2 Years |
| Length (in mm) | 59,00 |
| Width (in mm) | 54,70 |
| Thickness (in mm) | 15,70 |
| Manufacturing | Japan |
| Warranty Type | International |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Case Weight (in g) | 71,00 |
| Dial Finish | Sandblasting |
| Watch Case Back | Case back secured by screws |
| Crystal Shape | Flat |
| Glass Quality | Mineral Crystal |
| Buttons | 1 Crown 4 Push Buttons |
| Screw Crown | Yes |
| Water Resistance (in ATM) | 20 |
| Movements | Solar |
| Movement Type | Japanese Movement |
| Movement Brand | Casio |
| Calendar and Time | Automatic daylight saving time adjustment Dates Days Hours Minutes Second Time Zone Seconds |
| Chronograph Function | Yes |
| Counters and Durations | 12h |
| Timekeeping and Measurement | Chronograph Chronometer Chronometer - 24 Hours |
| Alarm-Wake Up | Yes |
| Display Type | Analog (hands) |
| Display Specifications | Arabic Numerals Indices and railroad track LED Luminescent Hands Neobrite Super Illuminator |
| Number of Counters (Additional) | 4 |
| Techniques and Mechanics | Alarm Clock LED Light Multifunctions: see description |
| Bracelet Material | Resin |
| Strap Color | Brown |
| Watch Clasp | Double-Prong Buckle |
| Lug Width (in mm) | Special - Custom |
| Activities | Running Swimming / Diving Yachting / Sailing |
| Collection | G-Shock Gravitymaster |
| Connectivity and Display | Bluetooth Power Reserve Indicator |
This timepiece from the G-Shock Gravitymaster collection by Casio is the ultimate companion for the modern adventurer. Featuring a round case, this watch stands out with its generous proportions of 59.00 mm x 54.70 mm and a thickness of 15.70 mm, commanding a powerful presence on the wrist. The case is built from carbon and resin - two materials synonymous with toughness and lightness, ideal for tackling the harshest environments. At a total weight of 71 g, it remains a pleasure to wear despite its bold dimensions.
The dial of this Casio G-Shock watch is a showcase of innovation and utilitarian design. Featuring a sandblasted finish, it delivers perfect legibility in any lighting condition. The dominant colors - yellow, brown, and black - give it a bold, modern edge. Clear Arabic numerals and hands equipped with Neobrite technology ensure optimal time reading even in the dark. The dial is protected by a flat mineral crystal. Four push buttons and a crown, seamlessly integrated into the design, allow effortless access to advanced functions.
Time Setting
Bluetooth: connects to a smartphone and automatically sets the time
Power Supply and Battery Life
Tough Solar (solar-powered)
Smartphone Link Feature
Mobile Link (wireless connection via Bluetooth®)
Apps
CASIO Watches
App Connectivity Feature
Automatic Time Setting
Easy Watch Time Setting
300 Cities for World Time
Flight Log
Phone Finder
World Time
Second Time Zone (home city time offset)
Stopwatch
1-Second Stopwatch
Measurement Capacity: 23:59'59.
Measurement Modes: elapsed time, split time
Timer
Countdown Timer
Measurement Unit: 1 second
Countdown Range: 24 Hours
Countdown Start Time Setting Range: 1 minute to 24 hours (in 1-minute and 1-hour increments)
Alarm/Time Signal
Daily Alarm
Backlight
LED Backlight (Super Illuminator)
Afterglow
Light Color
LED: white
Calendar
Full Automatic Calendar (until the year 2099)
Power Saving Function
Power Saving (hands stop to conserve energy when the watch is left in the dark)
Battery Level Display/Alert
Battery Level Indicator
The solar movement powering this Casio watch represents the cutting edge of watchmaking technology. Made in Japan, this movement runs on solar energy, giving the watch exceptional autonomy while reducing its environmental footprint. Casio has built in a system that effortlessly manages complex functions such as date, hours, minutes, seconds, and even a second time zone. Thanks to Bluetooth connectivity, the watch syncs automatically to maintain remarkable accuracy.
The strap of this watch is crafted from brown resin, delivering optimal comfort and excellent resistance against the elements. Resin is a go-to material in sports watchmaking for its lightness and durability - key qualities in extreme environments. This strap features a double-lock pin buckle for a secure, snug fit on the wrist.
With 20 ATM water resistance, this Casio G-Shock watch belongs in the category of dive and water sports watches. Capable of withstanding pressure equivalent to 200 meters of depth, it's ideal for water sports enthusiasts - whether diving, swimming, or extreme nautical activities like yachting.



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Capsule Master In Horizon GR-B300H-5AER Watch
(Ref. 128879)
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