G-SHOCK has created a new concept of toughness in watches. It all began with the developer's passionate belief in creating a watch that would not break even if dropped, and a reckless challenge that overturned the common sense of the time. Over 200 prototypes were repeated, and it took about two years to complete the shock-resistant structure. This is the birth of the technology that forms the core of toughness. Since then, G-SHOCK has continued to evolve without end. Structure, material, function. Pursue further toughness from every aspect.

The Master of G "Gulfmaster", which is intended for use on the sea, one of the harshest natural environments on earth, is equipped with four G-SHOCK sensors for the first time, making a major evolution. Assuming that the coast guard (coast guard) is conducting security and rescue operations in rough seas, it has a function that allows you to grasp the ever-changing sea conditions. In addition to the water depth sensor, which is the first analog model of G-SHOCK, the atmospheric pressure sensor for predicting sudden weather changes, the temperature sensor for reading changes in air and water temperature, and the direction sensor for checking the direction of the wind and tide. was equipped with. The compass senses the tilt of the watch and has an automatic horizontal correction function that corrects that tilt for measurements. In addition, the in-dial at 5 o'clock displays information such as sudden changes in atmospheric pressure and a tide graph that shows low and high tides. The retrograde display by the dual coil motor makes it easy to check various information. It is possible to grasp the situation of the sea in real time in a scene where time is of the essence in a changing natural environment. In pursuit of further toughness, a new case made of carbon fiber reinforced resin with excellent rigidity has been adopted. The button part is equipped with a highly durable metal pipe and three O-rings to improve waterproofness. In addition, soft urethane is used for the cushioning cover and band on the back side, realizing high wearability. In order to challenge the limit of the sea, it is the emergence of the Gulfmaster that has achieved the inevitable functional evolution.

●Shock-resistant structure

-Tough solar (solar charging system)

● 20 ATM water resistant function

●Radio wave reception function:

・Automatic reception (up to 6 times/day) (Chinese radio waves up to 5 times/day)/manual reception)

・Supported areas: Japan, North America, Europe, China The time difference is set by the selected city.

●Needle position automatic correction function

● World time: 48 cities (31 time zones, with daylight saving time setting function) + UTC (Coordinated Universal Time) time display, UTC direct call function, home time city replacement function

●Water depth measurement function

・Measuring range: 0-50m, 0.1m unit

・Auto memory (measurement starts and ends at 1.0m, memory maximum depth and time)

・Manual memory

●Azimuth measurement function

・Measures 16 azimuths and azimuth angles (0 to 359°)

・Direction continuous measurement (60 seconds)

・Graphic display of north, south, east and west

・Magnetic declination correction function

・Azimuth correction function

・Auto horizontal correction function

●Atmospheric pressure measurement function

・Measuring range: 260~1,100hPa

・Atmospheric pressure trend graph (displays past 5 hours (every 30 minutes) and 20 hours (every 2 hours))

・Pressure difference indicator (±10hPa)

・Atmospheric pressure trend information alarm

Altitude measurement function / relative altimeter

・Measuring range: -700~10,000m

・Altitude trend graph

・Altitude difference indicator (±100m/±1000m)

・Measurement interval setting function (every 5 seconds/2 minutes) *Every 1 second only for the first 3 minutes

●Temperature measurement function (measurement range: -10 to 60℃)

●Recall (displays up to 40 manual memories of altitude, barometric pressure, temperature, azimuth, water depth, time stamp, and automatic depth memory)

● Tide graph

●Moon data (moon age only)

Sunrise/sunset time display

- Stopwatch (1/100 second, 24 hour total)

Timer (set unit: 1 minute, maximum set: 60 minutes, measured in 1 second units)

● 5 time alarms, hourly signal

●Time stamp function

-Needle retraction function (manual, automatic (when measuring water depth, altitude, atmospheric pressure, temperature)

●Battery indicator display

●Power saving function (In a dark place, the display turns off after a certain period of time, and the hand movement stops to save power.)

● Full auto calendar

● 12/24 hour display switching

●Operation sound ON/OFF switching function

Full-auto double super illuminator: LED light for dial (with afterglow function, afterglow time switch (1.5 sec/3 sec)), LED backlight for LCD (afterglow function, afterglow time switch (1.5 sec/3 sec)) second)

-Driving time without solar power generation from full charge: Approximately 6 months when using functions, Approximately 21 months when using power saving mode

*When radio wave reception is not performed, it operates with normal quartz accuracy (average monthly difference &plusmn
15 seconds).

* The altimeter is a relative altimeter that converts atmospheric pressure changes into altitude. If the atmospheric pressure changes due to natural phenomena, the measured altitude will also change.

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Casio  Analog-Digital  Black  Shock Resistant  Blue  G-Shock Master G GWN1000  Casio Men's G-Shock Gulfmaster GWNQ1000NV-2A  Casio 10473487 Genuine Factory Replacement Resin Band Fits GWN-1000B-1A GWN-1000B-1B