The front plate measures 6 wide. The movement is marked Seth Thomas, 5186, 1-43. The item "VINTAGE SETH THOMAS US NAVY BOAT SHIPS CLOCK MOVEMENT PARTS" is in sale since Sunday, November 22, 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.