Hermle Quartz Chiming Pendulum Clock Movement #2214 Westminster Bim-bam Max Dial Thickness of 1/2" for Howard Miller or Ridgeway Case size: 4-3/8"W x 4 1/4"H x 1-1/8"D Minute hand shaft is 3/4" overall, max dial thickness is 1/2" Requires 2 'C' cell batteries (not included) This movement is German Made. It features Westminster and Bim-Bam chimes, it can play just on the hour or the standard Westminster chimes every 1/4 hour. Bim-Bam strikes on the hour and half-hour. It can also be switched to silent and night silent. Equipped with a pendulum drive