Teddy Baldassarre
Rolex Explorer Guide
The Rolex Explorer is in many ways the quintessential dressy tool watch from Rolex’s Oyster Perpetual collection - less flashy than the GMT-Master, less bulky than the Submariner, while still rooted, like those two models, in a history of adventure and discovery. While it has changed very little since the 1950s, today’s Rolex Explorer is the culmination of many decades of aesthetic and technical evolution, guided by a watchmaker for whom the subtlest details make all the difference in the world to its avid legions of fans. Underpinning the Explorer: Oyster Case and Perpetual Caliber The Rolex Explorer, like all Oyster Perpetual timepieces in Rolex’s Professional collection, is an expression of two technical milestones that Rolex and its visionary founder Hans Wisdorf contributed to watchmaking history. The first is the so-called Oyster case, developed in 1926, which revolutionized the construction of watch cases with its dustproof, waterproof, hermetically sealed structure, secured by a threaded caseback and a crown that screwed tightly into the case. In 1931, Rolex made history again with the creation of its first “Perpetual” movement (below), whose self-winding mechanism was driven by an oscillating rotor. The marriage of these two inventions gave rise to the “Oyster Perpetual” line of timepieces that remain at the heart of Rolex’s collection today, beginning with the Datejust in 1945 and coming to full fruition with the tool-oriented, yet still luxuri...