Exports from Switzerland fell by a real 2.0 percent in March to 17.69 billion Swiss francs. When adjusted for the smaller number of working days exports rose by a real 7.3 percent, the office said.
Exports from the machinery and electronics sector, the country's second biggest export category, fell by a real 9.3 percent, while shipments of watches decreased 5.4 percent.
Sales to Europe fell 6.4 percent in March. Switzerland's sales to the 17-nation euro zone were down 5.7 percent in March.