| Reference Ocarat | #38538 |
| Reference | GG-1000-1A5ER |
| Brand | Casio G-Shock |
| Product Type | Watch |
| Gender | Men |
| Color | Beige Black Gray Orange |
| Material | Synthetic |
| Material Quality | Resin |
| Warranty | 2 Years |
| Length (in mm) | 56,20 |
| Width (in mm) | 55,30 |
| Thickness (in mm) | 17,10 |
| Warranty Type | International |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Round |
| Case Weight (in g) | 119,00 |
| Watch Case Back | Screwed caseback |
| Crystal Shape | Flat |
| Glass Quality | Mineral Crystal |
| Buttons | 1 Crown 5 Pushers |
| Water Resistance (in ATM) | 20 |
| Movements | Quartz Solar |
| Movement Type | Japanese Movement |
| Movement Brand | Casio |
| Calendar and Time | Automatic summer-winter time adjustment GMT (time zone) Hours Minutes |
| Chronograph Function | Yes |
| Counters and Durations | Small seconds |
| Timekeeping and Measurement | 1/100th of a second chronometer |
| Alarm Complications | 24h alarm |
| Alarm-Wake Up | Yes |
| Navigation and Instruments | Compass Thermometer Thermometer (°C or °F) |
| Display Type | Analog (hands) Digital |
| Display Specifications | Luminescent hands and indexes |
| Number of Counters (Additional) | 1 |
| Bracelet Material | Resin |
| Strap Color | Beige |
| Water Resistant | Yes |
| Watch Clasp | Double-Prong Buckle |
| Lug Width (in mm) | Special - Custom Made |
| Activities | Running Swimming / Diving Technical Adventure Yachting / Sailing |
| Collection | G-Shock Mudmaster |
The Watch
The MUDMASTER is your ultimate companion for pushing past every limit and conquering the toughest challenges. Whether you're facing mud, sand, or the most remote desert conditions, the Triple Sensor technology keeps you one step ahead no matter what. With its resin case and matching beige resin strap for extreme durability and comfortable flexibility, this model measures approximately 56.2mm x 55.3mm x 17.1mm (H x W x D) and weighs around 92 grams. It features a hardened mineral crystal for scratch resistance and optimal protection.
The Dial
The dial on this model features a black face with orange accents on the counter, hands, and indices — all coated with a fluorescent material that keeps glowing in the dark after exposure to light, thanks to the Neobrite system. The Super Auto LED Light function illuminates the dial with a simple wrist tilt whenever ambient light dims.
Features
Shock Resistance: The full structure protects the watch from impacts and vibrations. The case is also hermetically sealed to keep out impurities and dust.
World Time Function: Displays the current time in 29 time zones and major cities around the world.
Daily Alarm: An audible alarm reminds you of your daily commitments at the programmed time, with a snooze function.
Auto Calendar: Once set, the auto calendar always displays the correct date.
Compass: A built-in direction sensor detects magnetic north.
Thermometer: A sensor measures ambient temperature and displays it in degrees Celsius (-10°C / +60°C).
Countdown Timers - 1/1 min - 1 hour: For precision enthusiasts: countdown timers alert you to important or recurring events with an audible signal at the programmed date and time. Time can be set in minutes, up to 1 hour in advance.
Button Tone On/Off: The button beep can be disabled using the mode button. Once turned off, no beep sounds when switching between functions. Any programmed alarms or countdown timers remain active even after the button tone is disabled.
12/24-Hour Time Format: Display time in either 12-hour or 24-hour format.
Battery: This model uses a SR927W x 2 battery with an approximate lifespan of 2 years and an accuracy of approximately +/- 15 seconds per month.
Water Resistance
This model has a water resistance of 20 bar (200 meters). Ideal for swimming and recreational diving without equipment. Note that depth ratings in meters refer to atmospheric pressure used in water resistance testing, not actual diving depth.


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Mudmaster Watch GG-1000-1A5ER
(Ref. 38538)