The Carlyle Group Inc. (NasdaqGS:CG) is exploring exit options for Acrotec Group (Groupe Acrotec SA), a maker of luxury-watch parts that could be valued at as much as CHF 4 billion ($4.6 billion), people familiar with the matter said. The private equity firm is interviewing banks as it considers a potential sale or listing of the Develier, Switzerland-based business, the people said. Rothschild & Co.

has been chosen to oversee preparations for a potential initial public offering, according to the people, who asked not to be identified discussing confidential information.