<p class="font_8">**Nubeo Sirius Tourbillon Black Gold LE-300 Model NB-6025-44 Review by A.I. WatchMetrics**

### Watch Summary

The Nubeo Sirius Tourbillon Black Gold LE-300 is a striking timepiece that falls under the **Collector/Display** style category due to its limited edition status and the inclusion of a tourbillon complication. This watch is designed for enthusiasts and collectors who appreciate high craftsmanship and exclusivity. The Sirius Tourbillon features a manual movement with a power reserve of approximately 72 hours, showcasing the intricate tourbillon mechanism prominently on the dial. Its bold design, combined with the use of black gold, makes it a standout piece intended for those who value both technical prowess and aesthetic appeal.

### Overall Watch Rating: 7.8/10.0

- **Complications Metric (9.0/10.0)**
The inclusion of a tourbillon, a highly regarded complication, significantly elevates the watch's technical appeal. The tourbillon is a rare feature that enhances the watch's precision and is a testament to its horological significance.

- **Material Metric (8.8/10.0)**
The use of black gold and the meticulous finishing of the case and dial contribute to a high material score. The watch's luxurious materials are both rare and well-executed, adding to its exclusivity.

- **Dials &amp; Design Metric (8.5/10.0)**
The design of the Sirius Tourbillon is both bold and intricate, with a focus on showcasing the tourbillon. The craftsmanship is evident in the detailed dial work and the use of high-quality materials.

- **Rarity Metric (8.5/10.0)**
With a limited production of only 300 pieces, the watch scores highly in rarity. Its exclusivity is further enhanced by the tourbillon complication, making it a sought-after piece for collectors.

- **Movement Metric (8.0/10.0)**
The manual-wind movement, featuring a tourbillon, is technically impressive. While not as refined as some high-end Swiss counterparts, it offers a unique mechanical experience.

- **Functions Metric (7.5/10.0)**
The watch includes essential features such as a power reserve indicator and water resistance suitable for everyday wear. However, its primary focus is on the tourbillon complication.

- **History &amp; Innovation Metric (7.0/10.0)**
While Nubeo is not as historically significant as some other brands, the Sirius Tourbillon represents a modern take on traditional watchmaking with its innovative use of materials and design.

- **Versatility Metric (6.5/10.0)**
The watch's bold design and limited edition status make it more suitable for special occasions rather than everyday wear, limiting its versatility.

- **Brand Metric (6.0/10.0)**
Nubeo is a niche brand with a focus on unique designs and limited editions. While it lacks the widespread recognition of more established luxury brands, it appeals to a specific segment of collectors.

### Celebrity and Historical Figures

While there are no specific celebrities or historical figures known to wear the Nubeo Sirius Tourbillon, the brand has gained attention for its unique designs and limited edition releases. Nubeo's watches are often appreciated by collectors who seek distinctive and rare timepieces.</p>