GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (2024)



  • GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (1)

  • GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (2)


  • GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (3)


My GShock



These are the latest additions to the new G-SHOCK MOVE sports lineup from G-SHOCK.The good-looking designs and utility colors of these models maximize coordination possibilities with both everyday fashions and training wear.Function-wise, these watches link with the CASIO WATCHES phone app to provide access to a number of functions that enhance workouts. Daily health and fitness support functions include a 3-axis accelerometer that keeps track of step counts, a Multi-Timer that lets you create up to 20 timer combinations of five timers each, memory for up to 200 lap records, and more. The app also makes it possible to maintain step count logs to calculate the calories you burn, to specify a daily step target, to create timer combinations and send them to the watch, to store stopwatch measurement data, to view data, and more. All of this combines to help you plan and record your workouts, making them more effective and enjoyable.Other features include app-based auto time setting correction and other features for more efficient timekeeping, and an Auto LED Light to facilitate workouts in areas where lighting is dim.Back wings on the inside of the bands where they connect to the case, a new band ring shape that prevents sliding, and more band holes to allow better tightness adjustment, all add up to a more comfortable fit. You can make fine adjustments to the band size.• Smartphone Link• Step Count Log • Calorie calculation• Combinable timers• Stopwatch data log• Auto time adjustment four times a day• World Time for approximately 300 cities• Time swapping• Alarm• Simple time setting• Phone finder• Step count using a 3-axis accelerometer (Step Count Graph, step goal progress graphic)• Stopwatch with Target Time alarm (lap/split display switching, up to 10 Target Times, 200 lap time records)• Interval timer with up to five time settings (Auto repeat up to 20 times, skip, auto start, alert sound)• Super Illuminator with Auto lightG-SHOCK MOVEThis new G-SHOCK & BABY-G series was created to be a timepiece that is suitable for an elite squad of talented athletes.

  • Side

  • Back

  • GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (9)

    Shock resistant

  • GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (10)

    20 bar water resistant

  • GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (11)

    Easy to operate via smartphone

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    Easy time setting

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    Find your phone

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    Great for various sports


Case size (L× W× H)

54.1 × 48.6 × 15.5 mm


59 g

Case and bezel material



Resin Band


Shock Resistant

Water resistance

200-meter water resistance

Power supply and battery life

Approx. battery life: 3 years on CR2025

Sensor feature

Step count using a 3-axis acceleration sensor: 0 to 999,999 step count display rangeStep Goal Progress Display (step count goal setting range: 1,000 to 50,000, 1,000-step increments)Step Count Graph: Hourly step count for the past 7 hours on a 6-level graphStep indicatorPower Saving: Auto sensor sleep state entry after fixed period of non-activity

Smartphone Link feature

Mobile link (Wireless linking using Bluetooth®)




Mineral Glass

World time

Dual time (home time swapping)


1/100-second stopwatchMeasuring capacity: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)Recorded data: Up to 200 records (measurement start month, date, lap/split times)Target Time alarm up to 10 Target Time settings


Countdown timerTimer for interval measurement (up to five time settings)Measuring unit: 1 secondInput range: 00'00" to 60'00" (1-second increments)Others: Auto-repeat (number of repeats settable from 1 to 20), auto start

Alarm/hourly time signal

5 daily alarms

Hourly time signal


LED backlight (Super Illuminator)Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow

Light color



Full auto-calendar (to year 2099)

Mute feature

Button operation tone on/off


Accuracy: ±15 seconds per month (with no mobile link function)

Other features

12/24-hour format

Regular timekeeping:Hour, minute, second, pm, year, month, date, day

Operation Guide (Opens in a new tab)


Kanoa Igarashi

GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (15)


Band with superior wearability

The 15-hole band is designed to enable fine adjustments. The case is equipped with a special case back protector, to assure a comfortable fit.

GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (16)



For Interval Workouts


GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (17)

GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (18)Health Management & Physical Fitness


[Step-counting Function]

A built-in 3-axis acceleration sensor begins counting steps the moment you start to walk.

A step number level graph at 6 o'clock shows the current step number and the number 1 hour earlier,
and a status indicator window in the upper right area of the dial displays the target achievement rate.
This data can help motivate you to increase your step count.

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[App] Step Count Measurement Data Transfer

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Measurement data can be transferred for use to a dedicated app. In addition to manual transfers, the app conducts automatic transfers four times a day.
Besides recording daily step counts and calorie consumption, the app displays a step count graph showing step counts, calories and exercise intensity (5 levels) for each day, week and month.
When activated by the smartphone, the step count is displayed graphically on a map every 30 minutes.

GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (24)

For Interval Workouts


A multi-timer function useful for interval workouts can be set for up to five different times.
The time remaining on the timer (%) is indicated in the status indicator window to the upper right on the dial.
Auto Repeat (maximum 20 times) and Auto Start are available along with an announcement notice function.

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[App] Create Timer Menu

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Up to 20 sets of 5 timers can be set up on the dedicated app. This makes it easy to create a menu of workouts and intervals as sets of workouts and break times that repeat within a certain period. You can save the menus you create under individual titles. You can then call them up instantly according to the day of the workout and transmit the settings to the watch.

GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (29)

Time Measurement &

Pace Management


A 1/100-second stopwatch capable of storing up to 200 lap-time memories is installed. Its ability to set up to 10 target times is useful for confirming your pace.

GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (30)

[App] Stopwatch Measurement Data Transfer

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A special app is available for setting target times. Stopwatch measurement data can be transferred, moreover, with measurement/target time differences and the best/worst/average times displayed together on the app. The results can be managed as log memory data and fed back into daily workouts.

* App screens shown here may differ from actual screens,since the app is currently under development.

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Multiple functions, all at your fingertips

(Smartphone app)

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Confirmed OS version

- Auto Time Adjustment (4 times a day)
- World Time city setting (over 300 cities)
- Home Time / World Time switching
- Time alarm setting
- Daylight Saving Time / Automatic time zone information update
- Mobile phone search
- Auto Hand Home / Position Correction
- Step count measurement data transfer
- Timer menu creation

* The Bluetooth®wordmark and logo are registered trademarks of Bluetooth SIG, Inc. and any use of these marks by Casio Computer Co., Ltd. is under license.
* Apple, Apple logo and iPhone are trademark of Apple Inc. registered in the United States and other countries. App Store is a service mark of Apple Inc.
* IOS is a trademark or registered trademark of Cisco Systems, Inc. registered in the U.S.
* Google Play and the Google Play logo are trademarks ofGoogle LLC.
* All other company and product names are trademarks or registered trademarks of their respective owners.

*The color tone of the listed products may differ from the actual product in some cases.


  • FAQs (Frequently Asked Questions)
  • Manuals(Watches)
  • iOS / Android
  • Video Tutorials
  • G-SHOCK International Warranty Network
GBD800UC-3 | Digital Black Men's Watch G-SHOCK | CASIO (2024)


What model G-Shock do Navy Seals wear? ›

The GA 100 is a tactical watch favored by Navy Seals for rescue missions. It is truly a Seal accessory. It's inexpensive, has all the necessary features(waterproof, durable and 24-hour digital display), and comes in an eye-catching design. This g-shock remains one of the top Seal watches till today.

Why are Casio G-Shock so expensive? ›

G-Shock watches are considered expensive because of their unique design, high-quality materials, and advanced technology. G-Shock watches are designed to be tough, durable, and reliable, and they are made with materials such as high-quality resin, stainless steel, and sapphire crystal, which are mor…

What's the big deal about G-Shock watches? ›

The Triple G Resist construction helps the watch withstand three types of gravitational acceleration — shock, centrifugal force, and vibration.

How can you tell the difference between real and fake G-Shock watches? ›

The case back of a G-Shock watch is a great way to distinguish an original from a replica model. The engraving on the back of an original G-Shock watch is much more defined than that of a replica G-Shock watch, whilst still maintaining a smooth and subtle texture of font and etch.

Which watch do the Navy SEALs wear? ›

The Luminox Navy SEAL Series is a renowned line of durable, highly visible watches, purpose-built for military use and favored by Navy SEALs. Luminox itself has a long-standing relationship with Navy SEALs, offering watches with superior luminescence and robust construction.

Do special forces wear G-Shock? ›

But for actual hard use of virtually any kind and especially military applications, the kind of things that would destroy your Rolex in seconds, the G-Shock remains the single best option on the market, as capable on the wrist of an elite special operator as it is on the archetypal Home Depot dad.

What is the lifespan of a G-Shock watch? ›

G Shock watches are known to last a lifetime, but the bands wear out after prolonged use. To replace them, place the watch facing downwards on a soft cloth, unhook the spring bars located at the base of each strap. Some models have the bars covered while others are exposed.

Is G-Shock worth buying? ›

Buying G-Shock watches can be an excellent decision for several reasons. Here are a few key factors why you should consider purchasing these durable and functional watches: Extreme Durability: G-Shock watches are known for their extreme resistance to shocks, impacts, and water.

What does G stand for in G-Shock? ›

The G-Shock is a line of watches manufactured by the Japanese electronics company Casio, designed to resist mechanical stress, shock and vibration. G-Shock is an abbreviation for Gravitational Shock.

Are G-shocks still cool? ›

If you're on the lookout for a tough timepiece, get yourself a G-Shock. It took over two years and 200 prototypes before the first G-Shock watch rolled out in 1983, and it has managed to keep its stellar, gritty reputation ever since. The G-Shock watch is a cult classic.

Why do people love the G-Shock? ›

These watches are built to withstand extreme conditions, making them a popular choice among outdoor enthusiasts, military personnel, and athletes. What makes G-Shock stand out is its exceptional toughness, durability, and functionality.

Do celebrities wear G-Shock watches? ›

Virat Kohli and His Casio G-Shock GA-100 and GA-110

He has specifically been spotted wearing watches like the Casio G-Shock GA 100 and GA 110, which have attributes like shock resistance, water resistance, and a striking, athletic appearance.

Which G-Shock is closest to the original? ›

Casio G-Shock GWM5610

The 5600 is essentially the base model, the modern version of the original G-Shock.

How do I know which G-Shock I have? ›

You can check the serial number against the official G-Shock database to ensure that it matches the correct model and production date. In addition to the serial number, all G-Shock watches also come equipped with a model number located on the back of the watch or on the packaging.

What is the G-Shock FROGMAN? ›

FROGMAN is categorized in one of the "Professional Series" of G-SHOCK, the MASTER OF G. In 1993, the first Casio G-Shock FROGMAN model with ISO200M water-resistant capabilities, DW-6300 was launched.

What watch do special ops wear? ›

The Navy SEAL Foundation Steel Series RSC watch from Luminox combines durability with purpose. Manufactured using three materials: Rubber, Steel, and CARBONOX™ (RSC), the 45mm steel case features a CARBONOX™ uni-directional bezel. A handsome sand-colored dial reminds us of the call to duty every Navy SEAL answers.

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