‘Monoblocco’ 3525 Rolex Chronograph


If you love your Daytona, you should know its grandfather. This is the ref. 3525, not the first Rolex chronograph, but likely the first Oyster-cased Rolex chronograph. It goes by ‘Monoblocco’, ‘Barilotto’, and ‘Prisoner of War’ all as nicknames. The first two are easy to explain, the third I’ll get to in a second. Barilotto…

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