A watch standing mug for the US Navy (USN) is a traditional or symbolic coffee mug used by sailors and officers while they are on "watch" duty. Watch standing refers to the system of assigning crew members specific times to remain on duty, overseeing various operations, navigating the ship, monitoring equipment, or maintaining security while others rest.
It can serve both as a functional item, used for drinking coffee or tea during long watches, and as a piece of memorabilia that reflects the sailor’s time in service. It was a common sight on ships and is often cherished as a reminder of duty and camaraderie. **Very Rare**
