The back case measures 7 5/8 wide. The item "VINTAGE CHELSEA CLOCK CO BOSTON US NAVY BOAT SHIPS CLOCK BAKELITE CASE PARTS" is in sale since Saturday, February 29, 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.