Reference 3710/1, launched in 1998, is the first "Jumbo" Nautilus produced since the legendary reference 3700 which was first produced in 1976. When launched, the Nautilus model was advertised as the most expensive steel watch on the market. The main differences between reference 3700 and reference 3710/1 are the sweep centre seconds as well as the up-down indicator. Reference 3710/1 was discontinued in 2006.
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