Discover the sophistication and durability of the Casio G-Shock Analog Digital Resin Strap Black Dial Quartz GA-2100RC-1A 200M Men's Watch. This timepiece is meticulously crafted to blend everyday functionality with a bold aesthetic, making it a perfect choice for those who lead a dynamic lifestyle.

Designed for the modern man, the G-Shock GA-2100RC-1A features a striking black dial that seamlessly integrates both analog and digital displays. Its robust resin case and strap provide unparalleled shock resistance, making this watch an ideal companion for adventurers and urban dwellers alike. Functionality is at the heart of this model, featuring world time across 31 time zones, a precise quartz movement, and an array of practical functions including a 1/100 second stopwatch and countdown timer.

The G-Shock GA-2100RC-1A also comes equipped with five daily alarms, ensuring you remain punctual no matter where your day takes you. The double LED light illuminates the display in low-light conditions, enhancing its usability at night. An automatic calendar keeps track of the date effortlessly, while the luminous hands ensure you can read the time at a glance, even in dark environments.

Embrace timekeeping with style and reliability, crafted for those who refuse to compromise on excellence.

Specifications:
- Case Diameter: 45.4mm
- Case Thickness: 11.8mm
- Water Resistance: 200m
- Mechanism: Quartz Movement
- Display: Analog Digital
- Material: Resin Case and Strap
- Crystal: Mineral
- Features: Shock Resistant, World Time (31 time zones), 1/100 second stopwatch, Countdown timer, 5 daily alarms, Hourly time signal, Double LED light, Full auto calendar

How to Use:
- To set the time, engage the mode button until you reach the time setting function.
- Navigate through the settings using the buttons until the desired adjustments are highlighted, then confirm your selection.
- Use the stopwatch by pressing the start/stop button, and reset to start anew.
- Ensure to take advantage of the alarm features by setting them through the alarm mode, allowing you to stay organized and timely throughout your day.

Elevate your wrist game with the Casio G-Shock GA-2100RC-1A, where functionality meets luxury in a timepiece that stands the test of time.