<p class="font_8">**Cartier Santos Medium Green Model WSSA0061 Review by A.I. WatchMetrics**

### Watch Summary:
The Cartier Santos Medium Green Model WSSA0061 is a sophisticated timepiece that embodies the elegance and heritage of the Cartier brand. Classified as a Formal/Business watch, it features a sleek design with a green dial that adds a modern twist to its classic aesthetic. The watch is powered by an automatic movement, specifically the Cartier Caliber 1847 MC, which offers a power reserve of approximately 42 hours. This model is ideal for individuals who appreciate timeless design with a contemporary edge, making it suitable for formal occasions and professional settings. Its unique green dial and the iconic square case design make it stand out, appealing to those who value both tradition and innovation in their timepieces.

### Overall Watch Rating: 7.9/10.0

- **Dials &amp; Design Metric (9.0/10.0)**
The Cartier Santos features a distinctive square case and a striking green dial, showcasing excellent craftsmanship and originality. The applied Roman numerals and the use of high-quality materials contribute to its high score.

- **Brand Metric (8.8/10.0)**
Cartier is a renowned luxury brand with a rich heritage in watchmaking, known for its iconic designs and strong market presence. The Santos model is a testament to Cartier's enduring influence in the industry.

- **Material Metric (8.5/10.0)**
The watch uses high-quality stainless steel with a polished finish, offering durability and a luxurious feel. The use of premium materials is evident in its construction and finishing.

- **Movement Metric (8.2/10.0)**
The Cartier Caliber 1847 MC is an automatic movement known for its reliability and precision. While not the most complex, it provides solid performance suitable for daily wear.

- **Functions Metric (8.0/10.0)**
The watch offers practical features such as water resistance up to 100 meters and a date function, enhancing its everyday usability.

- **History &amp; Innovation Metric (7.8/10.0)**
The Santos model holds historical significance as one of the first wristwatches designed for aviation. Its innovative design continues to influence modern watchmaking.

- **Versatility Metric (7.5/10.0)**
While primarily a formal watch, its design allows for some versatility, making it suitable for both business and casual settings.

- **Rarity Metric (7.0/10.0)**
As a luxury watch, it is not mass-produced, but it is still relatively accessible compared to more exclusive models.

- **Complications Metric (6.5/10.0)**
The watch features basic complications, including a date function, which are well-executed but not particularly rare or complex.

### Celebrity and Historical Figures:
The Cartier Santos is famously associated with aviator Alberto Santos-Dumont, for whom the watch was originally designed. This historical connection adds to its allure and prestige. Additionally, the Santos model has been seen on various celebrities, including actor Jake Gyllenhaal, who embodies the watch's blend of classic and contemporary style.</p>