You need to go to your country's customs web site and look up the info. Each country seems to have their own set % for different categories of watches. Here in the US it can range from very low to 25% depending on the country it is sent from.
Looking at page 18 from the "Harmonized Tariff Schedule of the United States (2017) - Revision 1" (
http://hts.usitc.gov/view/Chapter 91) it looks like this is the applicable rate for a regular Speedmaster:
93¢ each + 4.8%
on the case +
11.2% on the
strap, band or
bracelet
Click to expand...