CASIO G-SHOCK GG-B100Y-1ADR MASTER OF G - LAND MUDMASTER YELLOW WATCH

Stand out and gear up for the extreme with the G-SHOCK GG-B100Y-1ADR MUDMASTER in striking rescue yellow. Built for professionals tackling harsh environments, this rugged watch features a mud-resistant Carbon Core Guard structure, triple sensors (altimeter, barometer, compass, thermometer), and a step counter.

The case integrates high-rigidity carbon and fine resin to ensure airtightness, shock resistance, and superior durability. Sync with the CASIO WATCHES app for features like Mission Log and auto time correction. A bold and practical companion, designed to go where others can’t.

Case / bezel material: Carbon / Resin
Resin Band
Neobrite
Carbon Core Guard structure
Mud Resistant
Shock Resistant
Mineral Glass, Spherical Glass
200-meter water resistance
World time
38 time zones (38 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
Sunrise/sunset display
Sunrise, sunset time display
Sunrise time and sunset time for specific date
Stopwatch
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
Timer
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)
Alarm/hourly time signal
5 daily alarms
Hourly time signal
Light
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)
Light color
LED:White
Mute feature
Button operation tone on/off
Calendar
Full auto-calendar (to year 2099)
Accuracy
Accuracy: ±15 seconds per month (with no mobile link function)
Other features
12/24-hour format
Hand shift feature
Regular timekeeping:
Analog: 3 hands (hour, minute (hand moves every 10 seconds), second)
Digital: Hour, minute, second, am/pm, month, date, day
Approx. battery life: 2 years on CR2025
Size of Case: 55.4 × 51.3 × 19.4 mm
Total Weight: 92 g

Extra $15 OFF with min. $200 spend
Use Code: FORYOU15

Extra $30 OFF with min. $400 spend
Use Code: FORYOU30

Delivery within Singapore
Order by 11AM
(Mon - Fri for faster processing)

Checkout options may vary depending on order value and eligibility.

• Free Speedpost Domestic Delivery — 1–2 business days
• Free DHL Domestic Delivery — next business day
• Express Delivery — S$30, order by 2PM
• Click & Collect — ready in 2–3 business days. Please wait for the collection confirmation email before visiting the store.

Weekend & Public Holiday Orders

Orders placed after the applicable cut-off time, on weekends, or on public holidays will be processed on the next business day. Delivery will take place on the next available business day based on the selected delivery service.

During peak periods, festive seasons, major launches or sale events, additional processing and delivery time may be required.