The **Rare Stella Oxblood Dial** 18k Yellow Gold Presidential is a highly coveted and collectible version of Rolex's Day-Date model. Below are its key specifications:
1. **Model**: Rolex Day-Date (commonly referred to as the "President" due to its popularity among world leaders).
   
2. **Case Material**: 18k Yellow Gold, known for its luxurious appeal and durability.
3. **Case Size**: Typically 36mm, which is the standard size for most Day-Date models, though larger options (40mm)  available.
4. **Dial**: 
   - The **Stella Oxblood Dial** is the standout feature of this watch. Stella dials were produced in various bold and unique colors, with the deep red Oxblood being one of the rarer options.
   - The dial is made from a lacquered finish, giving it a glossy, vibrant appearance.
   - Often paired with **gold hour markers** or **diamond-set indices**.
5. **Bracelet**: 
   - The watch comes with the iconic **President bracelet**, which is also crafted from 18k Yellow Gold.
   - The bracelet is known for its semi-circular links, providing a comfortable yet distinguished look.
6. **Movement**: 
   - Equipped with a **self-winding mechanical movement**, usually the **Swiss ETA*
   - Features a **dual quickset function** for the day and date complications.
7. **Complications**: 
   - Day display at 12 o’clock, available in various languages.
   - Date display at 3 o’clock, magnified by a Cyclops lens.
8. **Crystal**: Sapphire crystal, scratch-resistant with the Cyclops lens for date magnification.
9. **Water Resistance**: 100 meters (330 feet).
10. **Reference Numbers**:  common references include **1803, 18038, 18238**, or newer models within the Day-Date lineup.
11. **Production Period**: Stella dials were primarily produced in the 1970s and 1980s, adding to their rarity.
These watches are sought after by collectors due to their unique dials, luxurious materials, and historical significance.