"Box and Papers" refers to a watch that comes with its original packaging and documentation. The "box" is the original container the watch was sold in, often made of high-quality materials like leather or wood. The "papers" include all the manufacturer-provided documents, such as warranty cards, manuals, and certificates of authenticity. These items are crucial for verifying the watch's authenticity and provenance, especially for luxury and collectible timepieces. Having the original box and papers can significantly enhance a watch's resale value and desirability, as they indicate the watch has been well cared for and is likely genuine. They also provide peace of mind regarding the watch's history and any remaining warranty coverage.