Rolex Explorer II 226570 Black Dial
About This Watch
The Rolex Explorer II 226570 with black dial offers a more stealthy, professional alternative to the white "Polar" variant. The black dial with luminescent Chromalight hour markers provides excellent contrast and nighttime legibility, making it particularly suited to cave explorers and nighttime adventurers for whom the watch was originally designed. The bright orange 24-hour hand stands out dramatically against the black dial, making the AM/PM indication instantly readable. This black-dial configuration traces its lineage back to the iconic ref. 1655, the first Explorer II introduced in 1971 with its distinctive orange 24-hour hand, a design cue that Rolex has maintained across all subsequent generations. The 2021 update brought the caliber 3285 with an independently adjustable local hour hand, giving the Explorer II full GMT functionality for the first time. The 42mm Oystersteel case has been slightly redesigned with thinner lugs and an updated bracelet with more polished surfaces, giving this generation a more refined appearance. Among Rolex sport models, the Explorer II remains one of the most under-the-radar options, frequently available closer to retail than the Submariner or GMT-Master II. Collectors appreciate it as a genuine tool watch with real-world utility.
In-Depth Review
# The Explorer II 226570: Rolex's Uncompromising Tool Watch
Since 1971, Rolex's Explorer II has occupied a peculiar space in the horological landscape—a professional-grade instrument masquerading as an accessible luxury sports watch. The current 226570 with black dial continues this tradition, arriving in 2021 with the in-house caliber 3285 movement and a more assertive 42mm case that departed from its 40mm predecessor. The fixed 24-hour bezel remains the watch's defining feature, a functional complication born from the model's original purpose of accompanying cave explorers into environments where distinguishing day from night becomes impossible. Paired with the GMT function, this dial arrangement offers genuine utility rarely found in contemporary luxury watches. The black dial variant presents the most legible option, its high contrast rendering the orange GMT hand and white hour markers equally readable whether you're tracking Eastern Standard Time or coordinating across continents.
The Explorer II appeals to a specific collector—one who values purposeful design over marketing narratives. This watch suits professionals who actually travel across time zones, outdoor enthusiasts who appreciate tool-watch aesthetics, and purists who respect Rolex's engineering without requiring constant reassurance from diamond-set dials. At nearly $13,000 on the secondary market, it commands a premium that reflects current demand rather than manufacturing costs, positioning it against alternatives like the Tudor Black Bay GMT, which offers comparable complications at roughly $4,500, or the Omega Seamaster Planet Ocean, priced similarly but with greater complications and prestige pricing. The Explorer II's appeal lies in its restraint and lineage—for buyers willing to pay luxury prices for practical instruments, few watches deliver more honestly.
Specifications
Movement
| Movement Type | Automatic |
|---|---|
| Caliber | Rolex 3285 |
| Power Reserve | 70 hours |
| Frequency | 28,800 vph |
| Jewels | 31 |
Case
| Case Diameter | 42.0mm |
|---|---|
| Case Thickness | 12.7mm |
| Case Material | Oystersteel (904L Stainless Steel) |
| Crystal | Sapphire with Cyclops lens |
| Bezel | Fixed, 24-hour graduated steel bezel |
| Dial Color | Black |
| Lug Width | 21mm |
| Lug-to-Lug | 50.0mm |
Features
| Water Resistance | 100m / 328ft |
|---|---|
| Bracelet/Strap | Oyster bracelet |
| Clasp | Oysterlock folding clasp with Easylink |
| Weight | 155g |
| Complications |