There is disclosed a timepiece including optical means for forming a decorative pattern, in the form of a figurative image, in response to an action by the user. The method includes consecutively transferring the parts so that the parts move along a path which extends from a supply of parts and through an imaging station. At least one of the side portion, the bottom portion, the top portion, the front, or the back portion is made of an elastomeric material configured to absorb a portion of shock or vibration from being imparted on the hard drive.