The front plate measures 6 wide. The movement is marked Seth Thomas, 518, 3-43. The item "VINTAGE SETH THOMAS US NAVY BOAT SHIPS CLOCK MOVEMENT PARTS" is in sale since Saturday, December 12, 2020. This item is in the category "Collectibles\Clocks\Parts & Tools\Parts". The seller is "midwestestate" and is located in Chicago, Illinois.This item can be shipped worldwide.