| Display | Analog-Digital |
| Case Diameter | 55.4 millimeters |
| Band Material Type | Resin |
| Band Color | Orange |
| Dial Color | Black |
| Watch Movement | Japanese Quartz |
From Casio G-Shock, the innovators of tough timekeeping, comes the GGB100 Master of G Mudmaster watch series that has been designed to endure the toughest environments. This watch features a carbon core guard structure case, in black with orange accents, that allows the internal mechanics of the watch to be protected from shock-induced damage. This watch is mud resistant with metal buttons that form a tight seal on the case, a dual back cover that consists of a stainless steel panel back and an outer cover made of shock resistant fine resin embedded with glass fibers, and the bezel has three layers of fine resin with carbon fiber inserts. The Quad Sensor capabilities provide instant access to a compass, altitude/barometer, thermometer, and an accelerometer that keeps track of your step count. Additionally, this watch connects via Bluetooth to a special G-Shock app that helps with the configuration, as well as records altitude data, route information, and step counts. These recordings are used to create an activity log you can use for tracking. Mode Switching Customization allows you to turn on and off individual modes and their sequence, for a personalized feel. This highly capable watch is finished with an orange resin band. Features include: Shock Resistant; Mud Resistant; Carbon Core Guard structure; 200 meter water resistance; Orange resin band; Carbon and resin case; Neobrite; Double LED light; Mobile link (Wireless linking using Bluetooth(R)); Digital compass; Altimeter; Auto log data (High/low altitudes, cumulative ascent and descent); Barometer; Thermometer; 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 with 38 time zones; Sunrise, sunset time display; 1/100-second stopwatch; Countdown timer; 5 daily alarms; Full auto-calendar (to year 2099); 12/24-hour format; Analog: 3 hands (hour, minute (hand moves every 10
G-SHOCK
The most durable digital and analog-digital watches in the industry, trusted by military personnel, law enforcement, surfers and outdoor enthusiasts around the world.
Shock resistance
Shock-resistant construction protects against all sorts of impact and vibration.
20-bar water resistance
You can wear your G-SHOCK in all sorts of situations, from working with water in daily life and taking a shower to participating in water activities such as swimming, surfing or jet skiing.
Backlight
With the back-light, you can see the watch face in any situations without light.
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