alt Hacker NewsCute.
In reality, of course, they produce a great deal more than cuckoo clocks; one of the most competitive pharmaceutical industries in the world, industrial chemicals, defence technology, agriculture, financial services, food processing, etc - up to a trillion or so per annum IIRC.
The cuckoo clock was intended to be a contemporary reference to the Renaissance period, not an exhaustive assessment of what Switzerland contributed to the present day.