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(Bloomberg) -- The total market value of all Rolex Submariner watches ever made is almost $50 billion, based on analysis of the first-ever release of production data by the Swiss watchmaker.

The Rolex Submariner was used to measure Royal Navy diver Simon Barnett's time underwater A watch bought for £70 in 1964 is valued at up to £45,000 It was owned by rescue diver Simon Barnett ...