This watch is Sold Antique Elgin USA Skeleton Movement from 1915 case: Steel with Convex sapphire crystal front, diamond coated glass display back. Water Resistant to 50 meters (150 feet). Numbered on the side #17/25. There will only be 25 Rpaige watches in the world with Skeletonized movements. Each one will be unique. Dimensions: 44mm…