Rolex created the Sky-Dweller as its most technically ambitious wristwatch in current production. The 336934 pairs an Oystersteel case with an 18k white gold fluted Command bezel — a functional ring that rotates to select and set the annual calendar, dual time zone, and date. At 42mm, it wears with authority, yet the white gold accents keep the profile refined enough for boardroom or cockpit.
Key Specifications
| Specification | Detail |
|---|---|
| Reference | 336934 |
| Case Size | 42mm diameter |
| Case Material | Oystersteel with 18k white gold bezel |
| Bezel | Fluted Command bezel, 18k white gold, bidirectional rotating |
| Dial Color | Intense white |
| Crystal | Sapphire with Cyclops lens at 3 o’clock |
| Movement | Swiss automatic or Japanese automatic (select at checkout) |
| Water Resistance | 100 meters |
| Bracelet | Oystersteel Oyster bracelet with Oysterlock safety clasp |
| Clasp | Oysterlock folding safety clasp with Easylink 5mm comfort extension |
| Functions | Hours, minutes, seconds, annual calendar, date, dual time zone, 24-hour display |
| Calendar | Annual calendar with month display via 12 apertures on dial flange |
| Power Reserve | Approximately 72 hours |
The 336934 Up Close: Case, Dial and Bracelet
The Command bezel is what separates the Sky-Dweller from every other Rolex. Rotate it to one of three positions, then turn the winding crown to adjust month, date, or second time zone independently. The 42mm Oystersteel case has a screw-down Triplock crown and solid caseback, and the white gold fluting catches light differently than a standard polished bezel — it reads as texture rather than shine.
On the intense white dial, twelve small apertures along the outer flange mark the months — the current month turns red, the rest stay neutral. An off-center date window at 3 o’clock and an inverted triangle marker at 12 indicate the second time zone on the 24-hour disc. The Oyster bracelet runs in brushed steel with polished center links, secured by the Oysterlock clasp with Easylink extension, part of the broader Sky-Dweller collection on this site.
Movement Options: Swiss vs Japanese
The Sky-Dweller is Rolex’s most complicated serial-production caliber, and the movement choice here matters more than on simpler models because it must drive an annual calendar alongside dual time.
- Swiss Automatic — Mirrors the Caliber 9001 specification: 28,800 vph, approximately 72-hour power reserve, annual calendar mechanism that requires manual correction only once per year (March 1), independent hour-hand adjustment for second time zone, and hacking seconds for precise time-setting.
- Japanese Automatic — Miyota-based movement with reliable automatic winding, hacking seconds, and time/date functions. Lower beat rate, approximately 40-hour reserve. Serviceable by any local watchmaker at lower cost, a practical option for daily rotation wear.
Both options wind via the Perpetual rotor and operate with the screw-down crown. The Swiss variant replicates the full annual calendar complication and dual-timezone function of the original Caliber 9001.
Shipping, Warranty and Returns
Every order ships with discreet packaging and full tracking. Delivery times vary by destination — see our shipping policy for detailed timeframes and methods. This watch is covered by our standard movement warranty. If your purchase does not meet expectations, review our return and exchange policy for available options.






















Reviews
There are no reviews yet.