Rolex Explorer II 226570 vs 216570: Polar vs Steel Dial Differences

The Rolex Explorer II 226570 and 216570 are both 42 mm stainless steel GMT watches with a fixed 24-hour bezel and 100 metres of water resistance, and the real differences sit inside and on the dial: the 226570 (2021) runs caliber 3285 with a 70-hour power reserve, while the 216570 (2011) runs caliber 3187 with a shorter reserve. The 216570 was sold with a white Polar dial or a black dial, and the 226570 also launched in 2021 with both the white Polar and black dials. Bizak & Co. is a sourcing desk, not an authorised Rolex retailer, so every watch mentioned here is sourced to order.

Last reviewed on October 28, 2026 by Filip Biczak. We quote no prices in this guide because market asks move weekly; use the from-prices on the linked listings. Sources: Rolex, Explorer II and Rolex, watch care and service.

What is the difference between the Rolex Explorer II 226570 and 216570?

The difference is the movement, the hands and lume refinements, and the finishing, not the size or the look at arm's length. Both are 42 mm Oystersteel cases with an Oyster bracelet, a date at 3 o'clock and a bright orange 24-hour hand that reads against the fixed bezel. The 216570 arrived in 2011 as a bigger replacement for the 40 mm 16570, and the 226570 followed in 2021 with caliber 3285, the movement Rolex had already rolled out across its sport models. Most buyers cannot tell them apart from the front until they compare the hands and the paperwork.

Explorer II 226570 vs 216570: spec comparison

Every 226570 is certified as a Superlative Chronometer under the standard Rolex redefined in 2015, which holds the finished watch to -2/+2 seconds per day, and so is any 216570 that left Rolex after that change. Earlier 216570s, made between the 2011 launch and the 2015 change, carry the same Superlative Chronometer wording on the dial but were certified under Rolex's previous standard, based on the COSC chronometer test of the movement (-4/+6 seconds per day). Check the exact configuration of any watch you are offered against Rolex's technical sheets, since bracelets and clasps are sometimes replaced during servicing.

What does caliber 3285 change over caliber 3187?

Caliber 3285 gives the 226570 a power reserve of about 70 hours, against roughly 48 hours for the 3187 in the 216570. In practice that means a 226570 left in a drawer over a long weekend is still running on Monday, while a 216570 may have stopped. The 3285 uses the Chronergy escapement, which Rolex designed for efficiency, and keeps the Parachrom hairspring and Paraflex shock absorbers the 3187 already had. Both movements let you set the local hour hand independently in one-hour jumps without stopping the watch, which is the feature that makes the Explorer II useful for travel. Our Rolex Explorer II 226570 collection shows the references we can source with the newer movement.

Polar vs black dial: which Explorer II dial should you pick?

Choose the Polar dial for the classic look and the black dial for a darker, more modern one; neither is rarer by design, and the choice is mostly taste. The Polar dial is white with applied, black-framed luminous hour markers and a contrasting orange GMT hand, and it is the version most people picture when they think of this watch. The black dial reads closer to a conventional sport watch. Both references were offered in white Polar and black from launch: the 216570 in 2011 and the 226570 in 2021. When you request a unit, tell us the dial colour up front, because it narrows the search more than any other choice. You can see the dial options in the Rolex Explorer II 226570WLO with white Polar dial, the Rolex Explorer II 226570BLO with black dial and the Rolex Explorer II 216570WHT with white dial listings.

Is the 216570 or the 226570 the better buy?

The 226570 is the better buy if you want the current movement and a watch that is likely to be newer and closer to warranty, and the 216570 is the better buy if you want the same case and appearance and are happy with a pre-owned example. The 216570 has been out of production since the 226570 arrived, so it is a pre-owned purchase where condition, papers and the bracelet matter most. The visual gap is small and the movement gap is real but modest for daily use. We do not publish prices here, so compare the from-prices on the linked listings and treat them as dated observations, not quotes. Pre-owned condition checks are the usual ones: even case edges, a bracelet without stretch, the matching serial and card, and photographs of the exact watch.

Where does the Explorer II 16570 fit in?

The 16570 is the 40 mm generation that came before both, built from 1989 until the 216570 replaced it in 2011. It has a smaller case, an older movement in the 3185 and later 3186 family and a more vintage feel on the wrist. Buyers who find the 42 mm size large often prefer it, and several are listed as sourced catalogue entries, for example the pre-owned Rolex Explorer II 16570 with white dial. If the case size is your main question, compare the pre-owned Explorer II 16570 listing with the Explorer II 226570 guide on the current one.

How does the Explorer II compare with the Explorer?

The Explorer II adds a GMT hand, a date and a larger 42 mm case to the idea of the plain Explorer. The standard Rolex Explorer 224270 collection covers the 40 mm time-only watch, and the Rolex Explorer 124270 collection covers the 36 mm version. Our Explorer 36 vs Explorer 40 comparison explains which of those two suits your wrist, and the Explorer vs Submariner guide places the Explorer family against the dive watch. For the wider range, browse the full Rolex Explorer collection or the Rolex collection.

How a sourced-to-order purchase works: Bizak & Co. does not hold these watches on a shelf, and each listing is a catalogue entry for a reference we can seek to order. You tell us the reference, dial and bracelet, and whether you want new or pre-owned, we locate a specific watch, and we send photographs of that exact piece, its card and its serial before any commitment. Asks on the linked listings are dated observations that move with the market, and the final figure is confirmed in writing for the specific watch, with the deposit credited in full to the price. Our authenticity and buyer-protection page explains what we check before a watch ships.

Quick answers

What is the difference between the Rolex Explorer II 226570 and 216570?

The 226570 has caliber 3285 with about 70 hours of power reserve, and the 216570 has caliber 3187 with roughly 48 hours. Both are 42 mm steel watches with a fixed 24-hour bezel and 100 metres of water resistance.

Which Rolex Explorer II has the Polar dial?

Both do. The 216570 was offered with a white Polar dial and a black dial, and the 226570 also launched in 2021 with both the white Polar and black dials.

Is the 216570 discontinued?

Yes. Rolex replaced it with the 226570 in 2021, so the 216570 is bought pre-owned.

Are the 226570 and 216570 the same size?

Yes. Both have a 42 mm case. The earlier 16570 is 40 mm.

Do you have the Explorer II on hand?

No. Bizak & Co. sources each watch to order, and we confirm the exact watch, photographs and final price with you before you commit.

Request an Explorer II sourcing quote

Tell us the model, dial, new or pre-owned preference, budget and timing through our sourcing enquiry form. We confirm the specific watch, photographs, card and final price before you commit. Browse the Rolex Explorer II 226570 collection or the Rolex Explorer collection.

Related reading: Explorer II 226570 guide · Explorer 36 vs 40 · Explorer vs Submariner