<p class="font_8">**Oris Big Crown X1 Calculator Model 01 675 7648 4264-Set 5 23 77 Review by A.I. WatchMetrics**

### Watch Summary

The Oris Big Crown X1 Calculator is a distinctive timepiece that blends aviation-inspired design with practical functionality. Classified under the **Professional/Tool** style category, this watch is designed for aviation enthusiasts and professionals who appreciate both form and function. The watch features an automatic movement with a power reserve of approximately 48 hours, making it suitable for regular use without frequent winding. Its standout feature is the slide rule bezel, which allows for various calculations, a nod to its aviation roots. The watch is intended for those who value precision and utility, with a robust build that supports its use in demanding environments.

### Overall Watch Rating: 7.5/10.0

- **Functions Metric (9.0/10.0)**
The Oris Big Crown X1 Calculator excels in functionality with its slide rule bezel, offering practical utility for pilots. It also features a robust water resistance of 100 meters, making it versatile for various conditions. The lume is effective for low-light readability, enhancing its usability.

- **Movement Metric (8.5/10.0)**
Powered by the Oris Caliber 675, based on the ETA 7750, this automatic movement is reliable and well-regarded for its chronograph function. The movement's technical complexity and solid performance contribute positively to the overall rating.

- **Dials &amp; Design Metric (8.0/10.0)**
The watch features a detailed and functional dial with clear legibility, essential for its tool watch purpose. The design is both practical and aesthetically pleasing, with applied markers and a textured dial that adds depth.

- **Material Metric (7.8/10.0)**
Constructed with high-quality stainless steel, the watch offers durability and a polished finish. While the materials are standard for its category, the execution is commendable.

- **Complications Metric (7.5/10.0)**
The chronograph and slide rule bezel are notable complications, providing both functionality and a nod to its aviation heritage. These features enhance the watch's appeal to enthusiasts.

- **Versatility Metric (7.5/10.0)**
While primarily a tool watch, its design allows for casual wear, making it versatile for different settings. However, its specialized features may limit its use in formal environments.

- **History &amp; Innovation Metric (7.0/10.0)**
Oris has a strong history in producing aviation watches, and the Big Crown X1 Calculator continues this tradition. While not groundbreaking, it maintains the brand's reputation for innovation in tool watches.

- **Rarity Metric (6.5/10.0)**
The watch is not a limited edition, making it relatively accessible. However, its unique features and design offer a degree of exclusivity among aviation watches.

- **Brand Metric (6.0/10.0)**
Oris is recognized for its quality and value in the mid-premium segment. While not as prestigious as luxury brands, it holds a solid reputation among watch enthusiasts.

### Celebrity and Historical Figures

While no specific celebrities are known for wearing the Oris Big Crown X1 Calculator, Oris watches have been favored by aviation professionals and enthusiasts. The brand's association with aviation history and its commitment to producing functional tool watches make it a respected choice in the field.</p>