The 178273 represents the Lady-Datejust at its most traditionally luxurious in the mid-size 31mm format. Yellow Rolesor — Oystersteel and 18k yellow gold — has been a cornerstone of the Datejust family since the two-tone concept debuted, and this reference adds diamond hour markers on a champagne dial to elevate the formula further. The 31mm case offers the sweet spot between the diminutive 26mm and the full-size 36mm, making it one of the most popular sizes in the current Lady-Datejust range.
Key Specifications
| Specification | Detail |
|---|---|
| Reference | 178273 |
| Case Size | 31mm |
| Case Material | Oystersteel & 18k Yellow Gold |
| Bezel | Fluted, 18k yellow gold |
| Dial | Champagne with diamond hour markers |
| Crystal | Sapphire with Cyclops lens |
| Movement | Automatic with date |
| Water Resistance | 30m |
| Bracelet | Jubilee, Oystersteel & yellow gold |
| Clasp | Concealed folding Crownclasp |
| Functions | Hours, minutes, seconds, date |
The 178273 Up Close: Case, Dial and Bracelet
The champagne dial glows with a warm golden tone that harmonises with the yellow gold bezel, crown, and bracelet centre links. Diamond hour markers replace conventional indices, catching light with each wrist movement and adding visible sparkle. A date window at three o’clock is magnified by the Cyclops lens for quick readability.
The fluted yellow gold bezel provides the classic Datejust crown of alternating ridges that has defined the collection since 1945. It frames the champagne diamond dial with rich texture and formality. The Jubilee bracelet in two-tone Rolesor drapes comfortably at 31mm, its five-piece links giving a supple, refined wrist presence. Explore all two-tone ladies’ configurations in the Lady-Datejust collection.
Movement Options: Swiss vs Japanese
Two movement grades are offered for this reference:
- Swiss automatic — higher beat rate producing smoother seconds sweep, extended power reserve, and construction following the genuine caliber design. The refined option for discerning collectors.
- Japanese automatic — reliable Miyota-based movement with strong daily accuracy and accessible servicing worldwide. A practical choice that performs with confidence.
Quickset date and hacking seconds are standard on both movement tiers.
Shipping, Warranty and Returns
Every order is shipped discreetly with full tracking from our facility to your address. For shipping estimates and delivery methods, see our shipping policy. This watch includes our standard movement warranty for peace of mind. Should the purchase not meet your expectations, our return and exchange policy details every available option.










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