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Europe, UK: Sunday, Nov 23 ~
USA: Friday, Nov 21 ~
Australia: Sunday, Nov 23 ~
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UAE: Saturday, Nov 22
Order within 1 Hours 35 mins with Scheduled Delivery. If you place an order within this time, We will ship on Wednesday, Nov 19 2025 This delivery time is calculated by DHL and FedEx. You can check the exact delivery date on checkout page.
USA: Friday, Nov 21 ~
Australia: Sunday, Nov 23 ~
Asia: Friday, Nov 21
UAE: Saturday, Nov 22
Order within 1 Hours 35 mins with Scheduled Delivery. If you place an order within this time, We will ship on Wednesday, Nov 19 2025 This delivery time is calculated by DHL and FedEx. You can check the exact delivery date on checkout page.
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Description (3,700 characters)
The G-SHOCK MASTER OFG series supports activities in harsh environments
The base models are the GRAVITYMASTER, MUDMAN, and RANGEMAN, which support activities in the air and on land, and feature a black body that symbolizes toughness and a caution color of yellow for the band.
It expresses the worldview of professionals who take on tough missions at rescue sites and other places.
The GRAVITYMASTER GR-B300RY expresses an organic form inspired by next-generation aircraft with a seamless exterior design.
Carbon core guard structure and 3D wide face for durability, visibility, and comfort
It also has practical functions such as dual time, which displays the time in two cities simultaneously, and flight log, which allows you to manage your travel history.
The MUDMAN GW-9500MRY is shock-resistant, dust-proof, mud-proof, radio-controlled solar-powered and triple-sensor-equipped.
The use of a duplex LCD improves the visibility of the direction display, making the digital compass even more useful.
In addition, stainless steel is used for the bezel parts.
Black IP coating gives it a bold design.
The RANGEMAN GPR-H1000RY is shock-resistant, dust-proof, and mud-proof, and is equipped with six sensors including a heart rate monitor, as well as a GPS function that can measure position, distance, and speed.
Measures nine types of activities in real time, including trekking
This is a tough watch that supports quick judgment and precise action even in harsh environments.
Stopwatch (1 second, 100 hour, split)
- Timer (set unit: 1 second, maximum set: 60 minutes, measured in 1 second units)
- 4 alarms (snooze setting available), smart alarm (snooze setting available)
- Battery indicator display
- Power saving function (display turns off after a certain period of time in a dark place to save power)
- Fully automatic calendar
- 12/24 hour display switching
- Operation sound ON/OFF switching function
Airplane mode
・ Vibration function
LED backlight (with full auto light, super illuminator, afterglow function, afterglow time switching (1.5 seconds/5 seconds))
・ Operating time from full charge without solar power generation ・HIGH (continuous reception): up to approximately 14 hours ・NORMAL (continuous reception): up to approximately 16 hours ・LONG (intermittent reception): up to approximately 19 hours Approximately 2 months Approximately 23 months
* If there is no GPS signal reception or if the watch is not linked to a smartphone, it will operate with normal quartz accuracy (average monthly difference of ±15 seconds).
* The altimeter is a relative altimeter that converts changes in air pressure into altitude.
If the air pressure changes due to weather conditions, the measured altitude will also change.
*1 When charged indoors under fluorescent lighting (500 lux) for approximately 8 hours every day, and by a window on a sunny day (10,000 lux) for 2 hours over the course of a week.
*2 The blood oxygen level measurement function is not intended to be used as a medical device for diagnosing specific diseases, but is intended to be used only for general health maintenance.
Model Number: GPR-H1000RY-1A9JR
Tags:
The base models are the GRAVITYMASTER, MUDMAN, and RANGEMAN, which support activities in the air and on land, and feature a black body that symbolizes toughness and a caution color of yellow for the band.
It expresses the worldview of professionals who take on tough missions at rescue sites and other places.
The GRAVITYMASTER GR-B300RY expresses an organic form inspired by next-generation aircraft with a seamless exterior design.
Carbon core guard structure and 3D wide face for durability, visibility, and comfort
It also has practical functions such as dual time, which displays the time in two cities simultaneously, and flight log, which allows you to manage your travel history.
The MUDMAN GW-9500MRY is shock-resistant, dust-proof, mud-proof, radio-controlled solar-powered and triple-sensor-equipped.
The use of a duplex LCD improves the visibility of the direction display, making the digital compass even more useful.
In addition, stainless steel is used for the bezel parts.
Black IP coating gives it a bold design.
The RANGEMAN GPR-H1000RY is shock-resistant, dust-proof, and mud-proof, and is equipped with six sensors including a heart rate monitor, as well as a GPS function that can measure position, distance, and speed.
Measures nine types of activities in real time, including trekking
This is a tough watch that supports quick judgment and precise action even in harsh environments.
Stopwatch (1 second, 100 hour, split)
- Timer (set unit: 1 second, maximum set: 60 minutes, measured in 1 second units)
- 4 alarms (snooze setting available), smart alarm (snooze setting available)
- Battery indicator display
- Power saving function (display turns off after a certain period of time in a dark place to save power)
- Fully automatic calendar
- 12/24 hour display switching
- Operation sound ON/OFF switching function
Airplane mode
・ Vibration function
LED backlight (with full auto light, super illuminator, afterglow function, afterglow time switching (1.5 seconds/5 seconds))
・ Operating time from full charge without solar power generation
* If there is no GPS signal reception or if the watch is not linked to a smartphone, it will operate with normal quartz accuracy (average monthly difference of ±15 seconds).
* The altimeter is a relative altimeter that converts changes in air pressure into altitude.
If the air pressure changes due to weather conditions, the measured altitude will also change.
*1 When charged indoors under fluorescent lighting (500 lux) for approximately 8 hours every day, and by a window on a sunny day (10,000 lux) for 2 hours over the course of a week.
*2 The blood oxygen level measurement function is not intended to be used as a medical device for diagnosing specific diseases, but is intended to be used only for general health maintenance.
Model Number: GPR-H1000RY-1A9JR
Tags:
Casio Clock Casio Men's G-Shock Silver G-Shock Rangeman Men's Master of G Men's Casio G-Shock Frogman
