Chime Change Lever Back Hammer is for all Hermle Movements with product numbers that finish with .050 or .020 other than 1151(.050 or .020), 1161 (.050 or .020) and 1171 (.050 or .020).
Chime Change Lever Back Hammer is for all Hermle Movements with product numbers that finish with .050 or .020 other than 1151(.050 or .020), 1161 (.050 or .020) and 1171 (.050 or .020).