CASIO G-SHOCK MUDMASTER GSG-100-1ADR

The Casio G-Shock GSG-100-1ADR (which is also designated as GSG-100-1A) is a solar-powered Mudmaster watch known for its mud and dust resistance. Its rugged construction and analog-digital display are built for use in severe, debris-strewn environments. 

Core specifications:

• Case size (L x W x H): 56.2 x 54.9 x 17.3 mm
• Weight: 88 grams
• Case and bezel material: Resin and stainless steel
• Band: Resin
• Construction: Mud-resistant and shock-resistant
• Water resistance: 200-meter
• Power source: Tough Solar (solar powered)
• Glass: Mineral
• Accuracy: ±15 seconds per month

• Tough solar: The watch is powered by a solar cell and can be recharged by exposure to sunlight or fluorescent light.
• Mud resistance: Features a cylindrical button guard structure with gaskets that prevent fine sand and mud from entering the watch.
• Hand shift feature: Allows the analog hands to temporarily move out of the way for an unobstructed view of the digital display.
• Double LED light: Includes a "Neon Illuminator" LED for the face and a "Super Illuminator" LED for the digital display, with auto light and selectable illumination duration.
• World time: Supports 31 time zones (48 cities + coordinated universal time) with a daylight saving on/off feature.
• Stopwatch: A 1/100-second stopwatch with a measuring capacity of 59'59.99''.
• Timer: A countdown timer with a range of up to 100 minutes.
• Alarms: Comes with 5 daily alarms and an hourly time signal.
• Full auto-calendar: Pre-programmed until the year 2099.
• Power-saving function: The display goes blank when the watch is left in the dark to save power.
• 12/24-hour format: The time can be displayed in either a 12-hour or 24-hour format.