G-Shock Master of G GRAVITYMASTER All Black Men's Watch GRB200-1B

$350.00
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Brand-New, 100% Authentic. We are an Authorized G-Shock Retailer. Includes G-Shock Backed Warranty at no extra charge.

These Quad Sensor Bluetooth connected G-SHOCK Master of G “GRAVITYMASTER” GRB200 models pack flight mission essential functions into a tough and rugged carbon core guard structure.

A high-strength, highly weather-resistant Carbon Core Guard Structure protects the module with a resin case reinforced with carbon fibers. This, combined with world-renowned G-SHOCK shock resistance, creates a structure that is also highly vibration resistant. The bezel is made up of three layers of resin with carbon fiber inserts. The top layer is semi-transparent to reveal the carbon material inside. The three buttons on the right side of the watch are arranged in a way that makes them resemble a fighter jet control stick, while also contributing to ease of operation.

The Quad Sensor system of these models uses compact sensors that make it possible to pack compass, altitude/barometer, and temperature measurement capabilities, along with an accelerometer that keeps track of your step count, into a compact configuration. This makes it easy to keep tabs on the natural environment around you and to maintain logs of your activities for comprehensive flight mission support. A special G-SHOCK phone app simplifies configuration of watch settings, and also provides a Mission Function.

Designed for pros working in tough environments, this Bluetooth Quad Sensor GRAVITYMASTER takes advantage of carbon fiber’s exceptional strength-to-weight ratio to take timekeeping to entirely new heights. The bezel, made from carbon fiber inserts pressed between layers of resin, delivers outstanding toughness and practicality. And you can count on the exceptional functionality everyone expects from a G-SHOCK watch. Take to the skies with the GRAVITYMASTER GRB200-1B, boasting an innovative design for pilots who challenge the most extreme conditions high in the sky, presented in an all-black color scheme that stands for serious strength.

Item G-Shock Men's Watch
Model # GRB200-1B
Series GravityMaster
Case Carbon Core Guard Case / Shock Resistant Structure / Vibration Resistant
Case Back Stainless Steel
Case Width 54.1 mm (Case Thickness - 18.3 mm)
Dial Color Black / Digital
Dial Features Analog & Digital / Bluetooth Smartphone Link / Quad Sensor (Thermometer, Altimeter/Barometer, Digital Compass, Step Counter) / Double LED Light / World-Time / Stopwatch / Countdown Timer / Alarm / Calendar
Watch Lens Mineral Glass
Strap Color Black
Strap Material Resin Band (Strap Width 32 mm / Strap Length 8.5 inches)
Clasp Pin Buckle
Movement Quartz Movement
Water Resistant 200 Meters

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  • Fast and quick shipping. Most orders arrive in 3-5 business days!
  • Expedited Shipping available for $39.99
  • Hand inspection before shipping to check for scratches, dents and ensure you have an operational battery.
  • Packages do not ship on the weekends. All orders placed on Friday after 10:00 AM (CST), will be shipped on Monday, including expedited orders.

Lighting fast international shipping available. We pay for insurance too!

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Easy 30-Day Money-Back FREE Return Policy. 

Free Returns only eligible for orders under $500. For orders over $500, returns are accepted within the 30-day time period, but customers must pay for shipping and insurance fees. Please be sure to require a signature confirmation for all orders over $500 and include insurance to cover any lost or damages to the package.

All merchandise (except those indicated as no returns or any merchandise in our Vintage Watches Corner) purchased on TimeMachinePlus.com may be returned in their original, unused condition for a full refund of the purchase price within 30 days from original shipment dispatch date. All returned watches must be not sized and unworn in the condition you received them and in the original box. Conditions apply.


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  • Case / bezel material: Carbon
  • Resin Band
  • Neobrite
  • Vibration resistant
  • Shock Resistant
  • Mineral Glass / Spherical Glass
  • 200-meter water resistance
  • Double LED light
  • LED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
  • LED backlight for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
  • Mobile link (Wireless linking using Bluetooth®)
  • Digital compass
  • Measures and displays direction as one of 16 points
  • Measuring range: 0 to 359°
  • Measuring unit: 1°
  • 60 seconds continuous measurement
  • Hand indication of north
  • Magnetic declination correction
  • Direction calibration (2-point calibration, figure eight calibration, auto calibration)
  • Altimeter
  • Measuring range: –700 to 10,000 m (–2,300 to 32,800 ft.)
  • Measuring unit: 1 m (5 ft.)
  • Hand indication graph of altitude differential
  • Manual memory measurements (up to 14 records, each including altitude, date, time)
  • Auto log data (High/low altitudes, cumulative ascent and descent)
  • Others: Relative altitude readings (±100 m /±1000 m), selectable measurement interval: 5 seconds or 2 minutes (1 second for first 3 minutes only)
  • *Changeover between meters (m) and feet (ft)
  • Barometer
  • Measuring range: 260 to 1,100 hPa (7.65 to 32.45 inHg)
  • Measuring unit: 1 hPa (0.05 inHg)
  • Hand indication of pressure differential (±10 hPa)
  • Atmospheric pressure tendency graph (last 20 hours or last 56 hours)
  • Barometric pressure tendency information alarm (beep and arrow indicates significant changes in pressure)
  • The atmospheric pressure tendency graph can show the last 20 minutes or last 56 minutes of measurements.
  • The hand indication of pressure differential shows values in units of ±1 hPa.
  • *Changeover between hPa and inHg
  • Thermometer
  • Measuring range: –10 to 60°C (14 to 140°F)
  • Measuring unit: 0.1°C (0.2°F)
  • *Changeover between Celsius (°C) and Fahrenheit (°F)
  • Step count using a 3-axis acceleration sensor: 0 to 999,999 step count display range
  • Power Saving: Auto sensor sleep state entry after fixed period of non-activity
  • World time
  • 38 time zones (38 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
  • Sunrise, sunset time display
  • Sunrise time and sunset time for specific date
  • 1/100-second stopwatch
  • 00'00"00~59'59"99 (for the first 60 minutes)
  • 1:00'00~23:59'59 (after 60 minutes)
  • Measuring unit:
  • 1/100 second (for the first 60 minutes)
  • 1 second (after 60 minutes)
  • Measuring modes: Elapsed time, split time, 1st-2nd place times
  • Countdown timer
  • Measuring unit: 1 second
  • Countdown range: 24 hours
  • Countdown start time setting range: 1 second to 24 hours (1-minute increments and 1-hour increments)
  • 5 daily alarms
  • Hourly time signal
  • Hand shift feature
  • Full auto-calendar (to year 2099)
  • 12/24-hour format
  • Button operation tone on/off
  • Regular timekeeping:
  • Analog: 3 hands (hour, minute (hand moves every 10 seconds), second)
  • Digital: Hour, minute, second, am/pm, month, date, day
  • Accuracy: ±15 seconds per month (with no mobile link function)
  • Approx. battery life: 2 years on CR2025
  • Size of case : 63×54.1×18.3mm
  • Total weight : 85g
Warranty periods range from 12 months to 10 Years, depending on the brand. All of the brands we carry come with their international manufacturer warranty. All warranty issues are to be handled directly with the watch manufacturer, so be sure to keep your electronic invoice for proof of purchase from TimeMachinePlus.com as we're an authorized retailer. Contact the brand directly using the information in your warranty booklet or the manufacturer's website for complete warranty terms and repair instructions. Typically the manufacturer's warranty does not cover: battery, crystal, strap or bracelet; damage resulting from improper handling, lack of care, accidents or normal wear and tear; damage from contact with objects; water damage.
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G-Shock Master of G GRAVITYMASTER All Black Men's Watch GRB200-1B
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