A practical look at Rolex's annual-calendar dual-time watch, from steel to solid gold, and how to buy one well.
The Sky-Dweller is the most mechanically ambitious watch in Rolex's catalog. Introduced in 2012, it pairs an annual calendar (Rolex calls the month display Saros) with a 24-hour second time zone on an off-center disc. The calendar reads the difference between 30 and 31-day months automatically and only needs correcting once a year, at the end of February. The Ring Command bezel, a rotating fluted bezel that selects which function the crown adjusts, is unique to this model. For a frequent traveler who wants one watch that handles two time zones and a calendar without fuss, nothing else in the lineup does the same job.
Every Sky-Dweller is 42mm. The case wears slightly large because of its broad lugs and thick bezel, so try one on if you are between sizes. The first generation (2012 to 2017) used caliber 9001 and four-digit references ending in different metal codes: 326934 (steel), 326933 (steel and yellow gold), 326935 (Everose), 326938 (yellow gold), and 326939 (white gold). In 2017 Rolex added steel models and the cleaner-looking 326934 became the breakout piece.
The 2023 refresh moved to caliber 9002 and a new reference series. Current production includes the 336934 in steel, 336933 in steel and yellow gold, 336935 in Everose, and 336938 in yellow gold. There is also a 336238 line that pairs solid gold with an Oysterflex rubber strap, including the bright green index dial that has become a signature look. We currently hold examples across this range, including a 2025 steel 336934 on Jubilee and a 2025 336238 in yellow gold on Oysterflex.
The Sky-Dweller is only sold in steel, two-tone, or solid gold. There is no two-tone Everose or platinum. Bezels are always fluted, either steel on the all-steel models or solid gold on the rest. That fluted bezel is functional here, not just decorative, because it is the Ring Command selector.
Dial choices drive a lot of the price and desirability. Standard index dials in bright black, white, and silver are the volume sellers. Roman numeral dials, like the Sundust Roman on Everose, lean dressier. Champagne and the newer bright green index dials carry a premium when fitted to gold cases. Bracelet options matter too. Steel models come on Oyster or the dressier Jubilee, gold models on Oyster, and the 336238 series exclusively on Oysterflex. A steel Sky-Dweller on Jubilee and the same watch on Oyster are genuinely different watches on the wrist.
First, confirm the reference and movement generation match the year. A four-digit reference (326xxx) should have caliber 9001; a five-digit (336xxx) should have 9002. Mismatches signal a problem.
Work the Ring Command bezel through all positions. It should rotate with firm, distinct clicks and engage each function cleanly. Set the date forward across a month boundary and watch the Saros month aperture advance correctly. Sticky or lazy calendar changes mean a service is due, and Sky-Dweller service is not cheap because of the movement's complexity. Budget accordingly.
Check the off-center 24-hour disc tracks the local hour correctly and that the red reference triangle sits cleanly. Inspect the dial under a loupe for any moisture marks near the apertures. On gold and two-tone pieces, examine the fluted bezel teeth for dings, since gold marks easily. Verify the bracelet stretch and clasp, especially on Jubilee bracelets, which show wear faster than Oyster.
Always ask for the card, box, and ideally a service history. Rolex moved to a five-year warranty in 2015, so a documented 2015-or-later watch may still carry coverage depending on purchase date. Confirm the serial between the lugs matches the papers.
The Sky-Dweller spans a wide range. Our inventory runs from accessory-level pricing into the high five figures, with complete watches concentrating in the mid-tier. The cheapest entries you see, near the bottom of any range, are typically parts, straps, or accessories rather than running watches, so read each listing carefully.
For complete pieces, steel models are the entry point to the family and trade at a meaningful discount to gold. Two-tone sits in the middle. Solid yellow gold and Everose command the top, and gold-on-Oysterflex configurations like the green-dial 336238 sit at the premium end of current production. Newer 336-series watches in unworn or like-new condition carry the strongest pricing because supply at retail remains tight. Earlier 326-series gold pieces, like a 2015 Everose Sundust, often represent better value per dollar of gold and complication.
Condition, completeness, and dial color move price more than year alone. An unworn watch with full kit and warranty will always outrun a bare used example of the same reference. Buy the best condition and the dial you actually want, since rarer dials hold interest longer in the secondary market.
Live inventory for this model — updated continuously as pieces arrive and sell.