Rolex Datejust 278343RBR

Buying Advice

About the Rolex Datejust 278343RBR

The Rolex Datejust 278343RBR is the current-production 31mm Datejust in Yellow Rolesor (Oystersteel and 18k yellow gold) with a factory diamond-set bezel, powered by the modern Caliber 2236 movement with Syloxi silicon hairspring. The "RBR" suffix in the reference indicates the round brilliant diamond bezel configuration, which is the defining feature of the watch and what sets it apart from the standard fluted-bezel 278273. At WatchGuys, we carry pre-owned and unworn Rolex Datejust 278343RBR watches across the full Rolex factory dial palette, including white and black mother of pearl with diamond hour markers, olive green floral motif, dark grey Roman VI diamond, silver diamond, and other premium configurations.

Rolex Datejust 278343RBR Specifications and Configurations

The 278343RBR is built around a 31mm Oyster case in Yellow Rolesor (Oystersteel and 18k yellow gold), with a factory diamond-set 18k yellow gold bezel, a screw down Twinlock crown, scratch resistant sapphire crystal with Cyclops lens, and 100 meters of water resistance. Inside is the Rolex Caliber 2236, a self-winding chronometer-certified movement with quickset date, stop-seconds for precise time setting, and approximately 55 hours of power reserve. The Caliber 2236 introduced the Rolex Syloxi silicon hairspring, which is highly resistant to magnetism and temperature variation and is exclusive to the smaller Lady-Datejust and Datejust 31 calibers. Buyers choose between the Rolex Jubilee bracelet with concealed Crownclasp (the dressier traditional Datejust pairing) and the Rolex Oyster bracelet with Oysterclasp (slightly more casual). For broader 31mm context across the wider Datejust catalog, browse our Rolex Datejust 31mm collection and the full Rolex Datejust collection.

Rolex Datejust 278343RBR Price

Pre-owned and unworn Rolex Datejust 278343RBR prices typically range from approximately $22,000 to $35,000 or more depending on dial, bracelet, condition, year of production, and completeness of box and papers. Standard champagne and silver dial configurations with diamond hour markers sit at the lower end of the range. Black, dark grey, and white mother of pearl dials with factory diamond hour markers trade in the middle of the range. The most sought-after configurations, including the olive green floral motif dial with 24 scattered diamonds, Roman VI diamond dial, and pristine unworn examples with full sets, command the top of the range. As a current-production Rolex catalog reference with significant diamond content and the modern Caliber 2236, the 278343RBR holds value well on the secondary market. For broader context across the wider factory diamond Datejust catalog, browse our Rolex Datejust diamond collection.

Rolex Datejust 278343RBR vs 278273: Diamond Bezel vs Fluted Bezel

The 278343RBR and the Rolex Datejust 278273 are direct same-generation sister references, identical in nearly every respect except the bezel. Both are 31mm Datejusts on the Yellow Rolesor Oyster case (Oystersteel and 18k yellow gold), powered by the Caliber 2236 with Syloxi hairspring, finished with a sapphire crystal and Cyclops lens, and offered on the Jubilee or Oyster bracelet. The 278343RBR carries the factory diamond-set 18k yellow gold bezel, which adds significant precious-stone content and visual presence. The 278273 carries the iconic 18k yellow gold fluted bezel, which is the classic Datejust design element. The 278343RBR trades at a meaningful premium over the 278273 because of the factory diamonds. Buyers who want the most jewelry-forward presence in the current 31mm Datejust catalog choose the 278343RBR. Buyers who prefer the classic fluted Datejust silhouette choose the 278273. For the White Rolesor sister in the same generation, see the Rolex Datejust 278274.

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Why Buy a Rolex Datejust 278343RBR From WatchGuys

When you shop for a Rolex Datejust 278343RBR for sale at WatchGuys, every piece is authenticated by our in-house watchmakers, priced against live secondary market data, and backed by a comprehensive set of buyer protections. We have spent over three decades focused on Rolex, and we apply special care to factory diamond bezel references like the 278343RBR where diamond authentication is essential.

Common Questions

Rolex Datejust 278343RBR FAQ

• What is the Rolex Datejust 278343RBR?

  The Rolex Datejust 278343RBR is the current-production 31mm Datejust in Yellow Rolesor (Oystersteel and 18k yellow gold) with a factory diamond-set bezel, powered by the modern Caliber 2236 with Syloxi silicon hairspring. It is the diamond bezel variant of the standard fluted-bezel 278273 within the same current production family. The 278343RBR is offered in multiple premium factory dial configurations including white and black mother of pearl, olive green floral motif, Roman VI diamond, and silver diamond, on either the Jubilee or Oyster bracelet.

• What does "RBR" mean in the Rolex 278343RBR reference?

  The "RBR" suffix in the 278343RBR reference is Rolex's internal designation indicating the round brilliant diamond-set bezel configuration. In Rolex's catalog nomenclature, a reference number followed by a letter suffix typically denotes a specific factory gem-setting or material option layered on top of the base reference. In the case of 278343RBR, the base 278343 designates the 31mm Datejust in Yellow Rolesor, and the RBR suffix specifies that the bezel is factory set with round brilliant cut diamonds. The same base reference can also exist with different gem-setting suffixes, but RBR is the round brilliant diamond bezel configuration.

• How much does a Rolex Datejust 278343RBR cost?

  Pre-owned and unworn Rolex Datejust 278343RBR prices typically range from approximately $22,000 to $35,000 or more depending on the dial, bracelet, condition, year of production, and completeness of box and papers. Standard champagne and silver dial configurations with diamond hour markers sit at the lower end. Black, dark grey, and white mother of pearl dials trade in the middle of the range. The most sought-after configurations including the olive green floral motif dial with 24 scattered diamonds, Roman VI diamond dial, and pristine unworn examples with full sets command the top of the range.

• Rolex Datejust 278343RBR vs 278273: what is the difference?

  The 278343RBR and the 278273 are direct same-generation sister references in the current 31mm Datejust catalog. Both are 31mm Datejusts on the Yellow Rolesor Oyster case (Oystersteel and 18k yellow gold), powered by the Caliber 2236 with Syloxi hairspring, finished with a sapphire crystal, and offered on the Jubilee or Oyster bracelet. The 278343RBR carries the factory diamond-set 18k yellow gold bezel for significant jewelry presence. The 278273 carries the iconic 18k yellow gold fluted bezel for the classic Datejust silhouette. The 278343RBR trades at a meaningful premium over the 278273 because of the factory diamonds.

• What movement is in the Rolex Datejust 278343RBR?

  The Rolex Datejust 278343RBR is powered by the Rolex Caliber 2236, a self-winding chronometer-certified movement with quickset date, stop-seconds, and approximately 55 hours of power reserve. The Caliber 2236 is the smaller-format counterpart to the Caliber 3235 used in the 36mm and 41mm Datejust references, designed specifically for the 28mm Lady-Datejust and 31mm Datejust cases. It is the first Rolex movement to feature the Syloxi silicon hairspring, which is highly resistant to magnetism and temperature variation. The Caliber 2236 meets Rolex's Superlative Chronometer standard with an accuracy specification of -2/+2 seconds per day.

• What dial options are available for the Rolex 278343RBR?

  The Rolex Datejust 278343RBR is offered in multiple factory dial configurations within the Rolex catalog. The most common include white mother of pearl with diamond hour markers, black mother of pearl with diamond hour markers, dark grey Roman dial with diamond VI marker, silver dial with diamond hour markers, and champagne dial with diamond hour markers. The olive green floral motif dial set with 24 scattered diamonds (reference 278343RBR-0032) is one of the most distinctive and sought-after configurations, introduced in recent years. Each dial pairs with either the Jubilee or Oyster bracelet, giving buyers many specific combinations to choose from within the same reference.

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