Last week the NYT Sunday edition had several articles in their Style supplement on watches.
One page was replete with all sorts of facts although I'm not sure about the sources.
Here are some:
The number of tools used by a VC watchmaker to make the Calibre 1120 SQ: 1200+ Can you verify this, Alex?
28.6 million Swiss watches exported in 2014; 30 million counterfeit Swiss watches produced in 2014
25% of all U.S. watch sales occur in December.
Number of pieces produced annually by Roger W. Smith: 10
Top markets for Swiss watch exports... Hong Kong 18.5%, US 10.7%, China 6.3%, Japan 6%, Italy 5.6%
Average case diameter: 1990 = 36mm; 2015 = 42mm