Among Rolex’s modern complications, the Sky-Dweller stands alone in combining an annual calendar with a second time zone — two of the most useful functions for frequent travellers. The ref. 326138 presents these complications in a 42mm yellow gold-plated case with a warm gold dial and brown leather strap, creating a dress-forward interpretation of a tool watch designed for life across multiple time zones.
Key Specifications
| Specification | Detail |
|---|---|
| Reference | 326138 |
| Case Size | 42mm |
| Case Material | Yellow Gold Plated |
| Bezel | Fluted Command bezel, yellow gold plated |
| Dial | Gold |
| Crystal | Sapphire |
| Movement | Automatic with annual calendar and dual time zone |
| Water Resistance | 30m |
| Strap | Brown leather |
| Clasp | Folding Oysterclasp |
| Functions | Hours, minutes, seconds, date, month, dual time zone |
The 326138 Up Close: Case, Dial and Bracelet
The 42mm yellow gold-plated case gives the Sky-Dweller a commanding wrist presence, its size justified by the complexity of the dial layout. The fluted Command bezel is not purely decorative — it serves as the interface for setting the calendar and second time zone through a rotational selection system. The gold dial features twelve small apertures around the perimeter, each corresponding to a month, with the current month indicated by a contrasting marker.
A brown leather strap softens the formality of full yellow gold plating, making the watch more wearable in warm weather and less ostentatious than a matching gold bracelet. The off-centre date disc and 24-hour reference dial at the centre allow simultaneous reading of two time zones. Explore more traveller-oriented timepieces in the Sky-Dweller collection.
Movement Options: Swiss vs Japanese
Two movement tiers are available for this sophisticated complication:
- Swiss automatic — higher beat rate with smooth seconds sweep, extended power reserve, and architecture inspired by the genuine caliber 9001. The premium choice for those who value mechanical depth alongside calendar functionality.
- Japanese automatic — reliable Miyota-based movement with proven durability and straightforward servicing worldwide. An accessible entry into the Sky-Dweller’s distinctive design language.
Both movements deliver the annual calendar and dual time zone functions that define the Sky-Dweller.










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