It gongs on the hour and dings on the half hour. Over all measurements are 11 5/8" tall x 12" wide x 6 deep. It does have a chip on the top right side, shown in pictures No's. Not noticed unless looking at it from the top. The key that came with the clock when I bought it is not the original, but is a Progress made in England.422 PORCELAIN MANTLE CLOCK DATED 1903 0221-10" is in sale since Tuesday, April 16, 2019. This item is in the category "Collectibles\Clocks\Antique (Pre-1930)\Shelf, Mantel". The seller is "jbst358_8" and is located in Bloomington, Indiana. This item can be shipped to United States.