Reference 4537 is considered amongst the rarest gems in the Rolex Oyster chronograph family. Made during a very short period only, it was the first chronograph by Rolex with three subsidiary dials and the modernized "tonneau-shaped" Oyster case. In fact, it replaced reference 4048 which still featured the more round "Calatrava-style" case. Examples of reference 4537 in such original and well-preserved condition like the present watch are exceedingly rare. As a matter of fact, the specimen offered here for sale stands out by numerous details which are paramount to the demanding collector, such as the correct dial and the "Rolex Oyster" crown centred by the Swiss cross.
A predecessor of reference 6034 (see lots 238 and 239 in this auction), reference 4537 was available in yellow gold, pink gold and in stainless steel.
Different examples of reference 4537 are described and illustrated in I Cronografi Rolex - La Leggenda, Pucci Papaleo Editore, pp. 222-227, and in 100 Superlative Rolex Watches by John Goldberger, p. 112.