Omega, Breitling and Patek Philippe all made the top 10, but major brands including Audemars Piguet, IWC, Panerai and Hublot ranked lower.
America records 9% increase in imports of Swiss watches for the first six months of 2018.
"Brands that are benefiting most from this are Cartier, Rolex and Patek Philippe. But also Audemars Piguet is getting traction among women with plain bezel models," says NPD.
Retail analyst says affordability is winning in the luxury watch world, particularly in the $5000 to $10,000 sweet spot.
Despite topping the RepTrack 100 list for a second consecutive year, the watch brand still lost its 'excellent' rating
Total global exports rose sharply by 9.3% against October 2016 to reach more than CHF 1.8 billion.
London's luxury watch street knocks Paris's Champs Élysées in dollar and euro-based calculations of annual rents.
The post-Brexit bounce has continued into the summer of 2017 as average selling prices soar.
Rising prices fail to take heat out of UK market with value of all watch sales rising by 15%, year-on-year, in September.