The Rolex Explorer II, a watch synonymous with adventure and exploration, boasts a rich history and a compelling evolution in design and functionality. This article will delve into a comprehensive size comparison of the various Rolex Explorer II references, exploring their historical context, key features, and the nuances that distinguish them. We'll examine the differences between 40mm and 42mm models, analyze bezel designs, dissect the movements powering these timepieces, and ultimately provide a clearer picture for potential buyers navigating the world of vintage and modern Explorer IIs.
A Brief History of Exploration and the Explorer II:
Unlike its sibling, the Explorer, designed for mountaineering expeditions, the Explorer II was specifically conceived for spelunking and cave exploration. The defining feature that sets it apart – the independently adjustable 24-hour hand – was crucial for differentiating between day and night in the often lightless environments of caves. This feature, combined with its robust construction and high legibility, cemented the Explorer II's place as a tool watch par excellence.
The first generation of the Explorer II (reference 1655) debuted in 1971, featuring a distinctive orange 24-hour hand and a relatively large 39mm case. This model, with its matte black dial and iconic "Freccione" (arrow) hand, quickly became a collector's favorite. Its substantial size for the time reflected the need for durability and easy readability in demanding conditions.
Subsequent generations saw the introduction of the reference 16570 (1989-2011), which maintained the 39mm case size but incorporated improvements in movement technology and dial design. This reference is often considered the epitome of the classic Explorer II, appreciated for its balanced proportions and timeless aesthetic.
The most recent iteration, introduced in 2011, marked a significant change: the reference 216570, boasting a larger 42mm case. This increase in size reflected broader trends in the watch industry towards larger wristwatches and allowed for improved ergonomics and a more substantial presence on the wrist. This reference also introduced a slightly redesigned case, bracelet, and dial, while retaining the core functionality of the 24-hour hand.
Rolex Explorer II Size Chart:
| Reference Number | Year of Production | Case Diameter | Bezel Material | Movement |
|---|---|---|---|---|
| 1655 | 1971-1985 | 39mm | Acrylic | Caliber 1575 |
| 16570 | 1989-2011 | 39mm | Acrylic (early), Sapphire (later) | Caliber 3185 |
| 216570 | 2011-2021 | 42mm | Ceramic | Caliber 3187 |
| 226570 | 2021-Present | 42mm | Ceramic | Caliber 3285 |
Rolex Explorer II Value Chart (Approximate):
The value of a Rolex Explorer II varies dramatically depending on the reference number, condition, and box and papers. This is a general guideline and should not be considered definitive:
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