The Rolex Explorer II 226570 is the most underrated watch in the current Rolex sports catalogue — a serious GMT built for real travellers, with the same Calibre 3285 that powers the GMT-Master II, in a 42mm Oystersteel case that wears with unmistakable authority at $10,600 retail. It sells out at authorised dealers faster than it arrives, its secondary market holds above retail, and yet it rarely gets the attention that its bezel-wearing sibling commands. That is, quietly, the point.
Prices and specifications as at November 2026. Always verify with authorised dealers.
TL;DR — Rolex Explorer II 226570: The Quiet GMT Worth Having
The Explorer II 226570 is a 42mm Oystersteel GMT with Rolex’s Calibre 3285 (70-hour power reserve, COSC-certified), retailing at US$10,600 as of January 2026. Buy it if you want a Rolex sports watch that is less visible at the wrist than a Submariner or GMT-Master II but no less technically accomplished. Skip it if you need a rotating bezel for genuine three-time-zone use or if 42mm is too large for your wrist. It suits the buyer who wants a confident, unassuming tool watch with the full weight of the Rolex guarantee behind it.
What Makes the Explorer II Different
The Explorer II was born in 1971 as a tool watch for cave explorers and spelunkers — people who spent extended time underground and needed a reliable way to distinguish AM from PM when natural light was absent. The fixed 24-hour graduated bezel on the original ref. 1655 achieved exactly that, with an orange 24-hour hand sweeping around once every 24 hours while the main hour hand tracked local time.
That functional DNA is unchanged in the ref. 226570. The orange seconds hand is a red herring — it is the orange 24-hour hand pointing to the fixed 24-hour scale on the outer chapter ring that defines the watch. Unlike the GMT-Master II with its rotating Cerachrom bezel, the Explorer II’s bezel is fixed, non-rotating, and graduated in 24 increments. This is a deliberate constraint: the Explorer II is a reference tool, not an active GMT. You read AM/PM against the fixed scale; you do not set a third time zone by rotating a bezel.
That distinction matters for buyers. If your priority is tracking two or three separate time zones actively, the GMT-Master II is the right tool. If you want an unmistakable, legible tool watch with an integrated 24-hour reference — and you appreciate that the Explorer II is not on every other wrist at the dinner table — the 226570 makes a genuinely compelling case.
Design: Case, Dial and Bracelet
Rolex Explorer II ref. 226570-0002 — black dial with orange 24-hour hand, Oystersteel Oyster bracelet. © Rolex SA
At 42mm, the Explorer II is the larger of the two current Explorer references — the Explorer I (ref. 124270) sits at 36mm and is a deliberately minimal three-hand design. The 226570’s case measures approximately 48mm lug to lug and 12.5mm in height, dimensions that look proportional on medium to large wrists (around 17cm and above) but can feel imposing on slimmer builds.
The case is machined from Rolex’s proprietary 904L Oystersteel — a corrosion-resistant alloy used exclusively by Rolex among mainstream watchmakers. The brushed and polished combination finish on the mid-case and lugs is executed with Rolex’s characteristic precision: sharp transitions, no tooling marks, every surface intentional. The smooth, fixed bezel in polished steel sits proud of the dial and reinforces the watch’s serious, unadorned character.
The dial carries applied hour markers with luminescent fill and a mix of Arabic numerals at 12 and 3 (the date position, magnified 2.5× by the Cyclops lens in the sapphire crystal) and baton indices elsewhere. Both dial variants feature the distinctive orange 24-hour hand — this is the only hand without lume fill, which is intentional: it is a reference hand, not a primary time-reading tool.
The Oyster bracelet is finished to the same standard as the case. The three-row link construction, Oysterlock safety clasp, and 5mm Easylink extension make for a secure, comfortable fit. The bracelet does not rattle, does not flex excessively, and tightens precisely at the clasp. It is worth noting that the bracelet’s end links are flush with the case — a detail that elevates the overall appearance considerably.
Polar vs Black: Choosing Your Dial
Rolex Explorer II ref. 226570-0001 — Polar white lacquer dial, Oystersteel. © Rolex SA
The Explorer II comes in two dial variants, and the choice reveals something about the buyer.
The Polar (226570-0001) features a bright white lacquer dial, a visual cue inherited from the original ref. 1655 “Freccione” that was designed for use in caves — where legibility against a white background, combined with lume, maximised readability in low light. The Polar is the collector’s choice: it commands a consistent secondary market premium of $1,500–$2,000 over the black dial, reflects the watch’s expedition heritage most directly, and is significantly harder to source from an authorised dealer. For buyers on the secondary market, polar dials in excellent condition currently trade at $12,500–$14,000.
The Black (226570-0002) is the more versatile daily wearer. The contrast between the dark lacquer dial, white applied indices, and orange hand is sharp and striking. It reads clearly in all conditions, the tool-watch character is more immediately apparent, and secondary market premiums are modest — expect to pay $11,000–$12,500 for a 226570 black in excellent condition with box and papers. For first-time Explorer II buyers, the black is the safer, more wearable starting point.
See our full Explorer I vs Explorer II comparison for a deeper look at how the two references differ in character and use case.
Calibre 3285: The Movement Behind the Price
The ref. 226570 introduced Rolex’s Calibre 3285 to the Explorer II line when it replaced the outgoing 216570 in 2021. The 3285 is the same movement family that powers the GMT-Master II (where it is designated Cal. 3285 in its GMT configuration) and shares the core architecture of the Calibre 3235 that underpins the Submariner, Sea-Dweller, and Datejust 41.
The 3285 beats at 28,800vph (4Hz), holds a 70-hour power reserve (up from 48 hours in the previous 3187), and is COSC-certified, meaning it must achieve accuracy within −4/+6 seconds per day. In practice, most examples run considerably tighter. The movement incorporates Rolex’s Parachrom hairspring (manufactured from an in-house paramagnetic alloy, resistant to temperature variation and magnetic fields), Paraflex shock absorbers, and the Chronergy escapement — a redesigned lever-and-wheel system that improves energy efficiency by approximately 15% over conventional Swiss lever escapements.
The practical result: the Explorer II winds reliably throughout a normal day’s activity, maintains accuracy that rivals much more expensive movements, resists magnetic interference from phones and laptop hinges (a genuine daily concern), and runs for nearly three days on a full charge if you remove it over the weekend. It is not in-house manufacture in the grand-complication sense, but it is among the most industrially refined automatic movements produced by any manufacturer.
On the Wrist
The Explorer II’s 42mm case positions it as the more substantial end of “everyday luxury.” Wrist presence is real: on a 17cm wrist, the case fills the space authoritatively without overhang. On wrists above 18cm, it looks exactly as proportioned as Rolex intended. If your wrist measures under 16cm, the 42mm diameter and 48mm lug-to-lug will be noticeable — in that case, the Explorer I at 36mm is the correct choice.
The Oyster bracelet’s Easylink extension allows for a quick 5mm adjustment without tools — genuinely useful when moving between climates or wearing over a thicker sleeve. The bracelet sits comfortably without the skin-pinching that affects some steel sports watches in this size range, and the Oysterlock clasp double-secures against accidental opening.
The Explorer II reads clearly at a glance. The applied indices are generously sized, the orange 24-hour hand is immediately recognisable, and the Cyclops lens magnification is 2.5× — just enough to make the date legible without looking at your phone. For a dress context, the smooth bezel and refined finishing make the 226570 more versatile than many buyers expect from a 42mm sports watch. It wears better under a cuff than the Submariner, and arguably better than the GMT-Master II.
Explorer II vs Alternatives
The Explorer II occupies an unusual position in the market — it is priced similarly to the GMT-Master II but offers a fixed bezel; it is conceptually related to Tudor’s heritage GMT tools but commands a significant Rolex premium. Here is how the main alternatives compare:
| Watch | Price (2026) | Size | Movement | Key Consideration |
|---|---|---|---|---|
| Rolex Explorer II 226570 | US$10,600 retail | 42mm | Cal. 3285 (70h) | Fixed 24h bezel; underrated, undersupplied at ADs |
| Rolex GMT-Master II 126710BLNR | US$10,700 retail | 40mm | Cal. 3285 (70h) | Rotating Cerachrom bezel for genuine 3-time-zone use; more visible |
| Tudor Black Bay Pro | US$4,575 | 39mm | Cal. MT5602 (70h) | Closest spiritual heir at 60% less; fixed 24h bezel; smaller, METAS certified |
| Tudor Black Bay GMT 79830RB | US$3,900 | 41mm | Cal. MT5652 (70h) | Rotating 24h bezel for active GMT use; value entry to heritage GMT design |
| Rolex Submariner 126610LN | US$9,100 retail | 41mm | Cal. 3235 (70h) | Iconic diver; no GMT function; more social recognition |
If budget is the primary constraint and you want the same design concept with comparable accuracy and power reserve, the Tudor Black Bay Pro is an outstanding alternative at $4,575. It carries METAS Master Chronometer certification (which Rolex does not pursue), offers a fixed 24-hour bezel in the same explorer-heritage idiom, and is significantly easier to purchase at retail. See also our full breakdown of the GMT-Master II vs Tudor Black Bay GMT if you are deciding between the two brands’ GMT offerings more broadly.
Price, Availability and Resale
The ref. 226570 carries a retail price of US$10,600 following Rolex’s January 2026 price adjustment (a roughly 7% increase from the previous year). That places it between the Submariner Date (US$9,100) and the GMT-Master II in steel (US$10,700), making it one of the most price-competitive references in the current Rolex sports catalogue in terms of movement specification per dollar.
Obtaining one at retail is a different matter. Authorised dealers allocate the Explorer II with less frequency than the Submariner or even the GMT-Master II — not because demand is lower, but because Rolex’s production volumes for the reference are constrained. Walk-in purchases at retail price are essentially non-existent in most markets. Established relationships with authorised dealers remain the most reliable path to a retail allocation. For more on the economics of buying Rolex at retail, our Rolex cost-to-own guide covers the full picture including service intervals and insurance.
On the secondary market, the 226570 trades at a consistent premium above retail. Black dial examples in excellent condition with full set (box, papers, hang tag) range from US$11,000 to US$12,500. Polar dial examples command US$12,500 to US$14,000. Both variants have held or increased in value since the reference launched in 2021 — a performance broadly in line with Rolex steel sports watches generally.
The outgoing ref. 216570 (produced 2011–2021) offers a meaningful entry point for buyers who want the Explorer II experience at lower cost. Pre-owned 216570 examples in excellent condition currently trade at US$7,500–$9,500. The 216570 carries the older Calibre 3187 (48-hour power reserve) rather than the 3285, but the case dimensions, bracelet design, and overall character are essentially identical. For buyers who prioritise wearability and heritage over the latest movement specification, the 216570 at $8,000 with papers represents excellent value within the broader sports Rolex market. See our full Explorer II Buying Guide for a complete breakdown of every reference and what to pay.
Full Specifications
| Reference | 226570-0001 (Polar white), 226570-0002 (Black) |
| Case diameter | 42mm |
| Case material | Oystersteel (904L stainless steel) |
| Case thickness | Approx. 12.5mm |
| Lug to lug | Approx. 48mm |
| Lug width | 21mm |
| Bezel | Fixed, smooth polished Oystersteel; outer 24-hour graduated chapter ring on dial |
| Crystal | Scratch-resistant sapphire; Cyclops lens over date at 3 o’clock (2.5× magnification) |
| Dial | Polar white lacquer (226570-0001) or black lacquer (226570-0002); applied gold-alloy hour markers with Chromalight; orange 24-hour hand |
| Movement | Rolex Calibre 3285, self-winding, 28,800vph (4Hz) |
| Power reserve | 70 hours (approx.) |
| COSC certified | Yes (−4/+6 seconds/day) |
| Water resistance | 100m (10 bar / 330 ft) |
| Bracelet | Oyster, three-piece links, Oystersteel; Oysterlock safety clasp; Easylink 5mm extension |
| Retail price (Nov 2026) | US$10,600 (both references) |
| Launched | 2021 (replaced ref. 216570) |
Where to Buy
The Rolex Explorer II is sold exclusively through Rolex’s authorised dealer network. No online retailer sells new Rolex watches at retail price — any “new” listing outside an authorised dealer is either grey market or counterfeit. For pre-owned purchases, Chrono24 and WatchBox are reputable platforms with buyer protection. For accessories that complement the watch on its Oyster bracelet, a quality spring bar tool and watch care kit are worth having.
Compatible 21mm watch straps for Rolex — if you plan to swap the Oyster bracelet for leather or rubber on occasion, 21mm is the correct lug width for the Explorer II 226570. Price checked as of November 2026.
The Rolex Explorer II ref. 226570 retails at US$10,600 as of Rolex’s January 2026 price adjustment. Both dial variants — Polar white (226570-0001) and black (226570-0002) — carry the same retail price, though the Polar commands a $1,500–$2,000 premium on the secondary market due to lower allocations and collector preference.
The 226570-0001 has a bright white lacquer dial known as “Polar,” inherited from the original 1971 ref. 1655 and favoured by collectors for its heritage reference and legibility. The 226570-0002 has a black lacquer dial that offers greater day-to-night versatility. Both share the same case, movement, and bracelet. The Polar is rarer at authorised dealers and trades at a premium of $1,500–$2,000 on the secondary market.
The 226570 uses Rolex’s Calibre 3285, introduced with this reference in 2021 to replace the outgoing Cal. 3187. The 3285 is a self-winding movement beating at 28,800vph with a 70-hour power reserve (up from 48 hours in the 3187), COSC chronometer certification, a Parachrom hairspring, and Rolex’s Chronergy escapement for improved efficiency. It is the same movement family used in the GMT-Master II.
Both use the Calibre 3285 and retail within $100 of each other, but serve different functions. The GMT-Master II has a bidirectional rotating Cerachrom bezel that enables active three-time-zone tracking — set a third city on the bezel, read GMT on the 24-hour hand independently of the local hour hand. The Explorer II has a fixed 24-hour scale on the chapter ring used as a reference to distinguish AM from PM — it is not a true three-time-zone watch. The GMT-Master II is more famous and more socially recognised; the Explorer II is the quieter, more purposeful choice.
Retail allocations of the 226570 are limited and typically require an established relationship with an authorised dealer. Walk-in purchases at retail price are rare in most markets. The secondary market carries a premium of $400–$3,400 above retail depending on dial variant and condition. Building a purchase history with a single authorised dealer over time remains the most reliable route to a retail-price allocation.
At 42mm case diameter and approximately 48mm lug to lug, the 226570 is a substantial wear. It suits wrists measuring 17cm and above comfortably. On wrists around 16cm, it is wearable but presence is noticeable. If you have a smaller wrist or prefer a more discreet profile, the Explorer I (ref. 124270) at 36mm is the natural alternative — it carries the Calibre 3230 (without GMT function) but shares the same Oystersteel quality and Explorer aesthetic.
Secondary market data since the 226570’s 2021 launch shows consistent performance above retail for both dial variants. The Polar (226570-0001) has been particularly resilient, trading at $12,500–$14,000 versus a $10,600 retail price. Black dial examples typically trade at $11,000–$12,500. As with all Rolex steel sports watches, the Explorer II holds value more reliably than most alternatives, though no secondary market outcome is guaranteed and values can fluctuate with broader market conditions.
Final Verdict
The Rolex Explorer II 226570 is one of the most coherent watches in the current Rolex catalogue. The case is immaculate, the movement is among the finest in serial-production watchmaking, the bracelet is benchmarked against nothing — and the fixed 24-hour bezel gives it a function and a heritage that the Submariner does not share. At US$10,600 retail it is not cheap, but it is not overpriced relative to what it delivers.
Buy it if: you want a Rolex sports watch that does not announce itself immediately; you travel frequently and value the AM/PM reference; you prefer a larger 42mm case; or you are building a Rolex collection and want the reference that connoisseurs recognise.
Skip it if: you need active three-time-zone function (look at the GMT-Master II instead); 42mm is too large for your wrist (the Explorer I at 36mm is the right call); or $10,600 is above budget (the Tudor Black Bay Pro at $4,575 gives you the same conceptual design language and comparable movement accuracy).
If you can get one at retail, take it without hesitation. If you are buying pre-owned, the 226570 black dial at $11,000–$11,500 in excellent condition with full set remains one of the cleaner secondary market purchases in the Rolex sport catalogue. The Polar is a collector’s piece at every price point. Explore the full Explorer II buying guide for the complete reference-by-reference breakdown before you buy.
