<p class="font_8"># Casio G-Shock Full Metal 2100 Series Model GMB2100GD-5A Review by A.I. WatchMetrics

## Watch Summary

The Casio G-Shock Full Metal 2100 Series Model GMB2100GD-5A is a robust and stylish timepiece that falls under the **Sport/Active** category. Known for its durability and advanced features, this watch is designed for individuals who lead an active lifestyle and require a reliable companion for outdoor activities. The GMB2100GD-5A features a full metal construction, providing a premium feel while maintaining the ruggedness G-Shock is known for. It is equipped with a **quartz movement**, ensuring precise timekeeping and minimal maintenance. The watch offers a power reserve typical of quartz watches, which is sustained by a battery that lasts several years. This model is ideal for those who appreciate a blend of functionality and style, making it suitable for both casual and sporty environments.

## Overall Watch Rating: 7.3/10.0

- **Functions Metric (9.0/10.0)**
The GMB2100GD-5A excels in functionality with features like 200-meter water resistance, LED backlight for visibility in low-light conditions, and shock resistance, making it highly suitable for active use.

- **Versatility Metric (8.5/10.0)**
This watch is versatile, fitting well in both casual and sporty settings. Its robust design and practical features make it adaptable for various activities.

- **Material Metric (8.0/10.0)**
The full metal construction provides a premium feel and durability, enhancing the watch's appeal and longevity.

- **Dials &amp; Design Metric (7.8/10.0)**
The design is modern and sleek, with a clear digital-analog display that is both functional and aesthetically pleasing.

- **Movement Metric (7.5/10.0)**
The quartz movement ensures accuracy and reliability, though it lacks the complexity of mechanical movements.

- **Brand Metric (7.0/10.0)**
Casio is well-regarded for its innovation and reliability in the consumer watch market, though it does not hold the luxury status of higher-end brands.

- **Complications Metric (6.5/10.0)**
While the watch includes basic complications like a stopwatch and world time, it lacks more advanced features found in higher-tier models.

- **History &amp; Innovation Metric (6.0/10.0)**
The G-Shock line is known for its innovation in durability and design, though this model does not introduce groundbreaking new features.

- **Rarity Metric (5.5/10.0)**
As a widely available model, it does not score high on rarity, but its unique design within the G-Shock lineup adds some exclusivity.

## Celebrity and Historical Figures

While no specific celebrities are known to wear the GMB2100GD-5A, the G-Shock brand is popular among athletes and outdoor enthusiasts for its durability and functionality. Notable figures like Pharrell Williams and John Mayer have been seen wearing various G-Shock models, highlighting the brand's appeal across different lifestyles.</p>