It’s a Rolex, not a fan but a crown. The specific trademarks are as follows:

The founder, Hans Wilsdorf, got involved in international business when he was young. He started out as a cultured pearl business. At the age of 19, he moved to LaChaux-de-Fonds, Switzerland, where he worked as an agent for a watch manufacturer specializing in exports. In 1905, he founded his own company, called Wilsdorf and Davis. It was a company mainly responsible for selling watches, but it also developed homemade watches.

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