This watch is Sold Vintage 21 Jewel Burlington movement from 1920 case: Steel with Convex sapphire crystal front, diamond coated glass display back. Water Resistant to 50 meters (150 feet) Dimensions: 44mm diameter, 14mm thick, 52 mm end to end. Water resistant to 50 meters. Movement: 21 jewel, High grade, Burlington vintage American pocket watch…