瑞士联邦主席凯勒-祖特尔：美国关税将对瑞士经济产生非常不利的影响。尽管制药业未受影响，但美国关税对瑞士机械和钟表行业非常不利。

Core Viewpoint - The U.S. tariffs will have a significantly negative impact on the Swiss economy, particularly affecting the machinery and watch industries, although the pharmaceutical sector remains unaffected [1]. Group 1: Economic Impact - U.S. tariffs are expected to adversely affect the Swiss economy [1]. - The machinery and watch industries in Switzerland are particularly vulnerable to these tariffs [1]. Group 2: Sector-Specific Effects - The pharmaceutical industry in Switzerland is not impacted by the U.S. tariffs [1].