The 278274 reference marked a turning point for the Datejust 31 when Rolex introduced the new-generation Caliber 2236 with a Syloxi hairspring — a technical leap previously reserved for larger models. This replica of the mint green variant captures one of the most sought-after dial colors in the current Datejust range, favored for its distinctive presence on a 31mm wrist.
Key Specifications
| Specification | Detail |
|---|---|
| Reference | 278274 |
| Case Size | 31mm |
| Case Material | Oystersteel |
| Bezel | Fluted white gold style |
| Dial Color | Mint Green sunburst |
| Crystal | Sapphire with cyclops lens |
| Movement | Caliber 2236 automatic |
| Water Resistance | 30m |
| Bracelet | Jubilee five-link |
| Clasp | Concealed Crownclasp |
| Functions | Hours, minutes, seconds, date |
The 278274 Up Close: Case, Dial and Bracelet
At 31mm, the Oystersteel case sits comfortably on slimmer wrists while maintaining the Datejust’s signature proportions. The fluted bezel catches light at every angle, framing a mint green sunburst dial with applied hour markers and a date window at 3 o’clock magnified by the cyclops lens.
The Jubilee bracelet — originally created for the Datejust’s 1945 debut — adds a refined, dressy character. Five polished center links integrate smoothly into the case with a concealed Crownclasp. Explore more references in our Datejust collection.
Movement Options: Swiss vs Japanese
This replica is offered with two movement tiers to match different priorities:
- Swiss Automatic — Caliber 2236-type with 28,800 vph beat rate and approximately 55-hour power reserve. Hacking seconds and quickset date for precise timekeeping.
- Japanese Automatic — Miyota-based movement with 21,600 vph, reliable daily wear performance, and widely available servicing parts.
Both variants feature automatic winding and date complication. Select your preferred option above.
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.




























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