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(NBC) - Watch collectors are rejoicing in Switzerland for the world's largest watch convention.

Over 1,900 hundred exhibitors are putting their favorite time pieces on display. Over 100,000 people are expected to show up at the convention. It's not only watches, jewelry is also being sold during the big fair.

Big ticket items include a watch-phone that is selling for $275,000 dollars. The convention continues through the end of the week.

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