
Rolex Steel and Yellow Gold Datejust 31 - Domed Diamond Bezel - Champagne Index Dial - Oyster Bracelet — Ref. 278343
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Compared across 11 stores. Prices are checked against each store and labelled with when.

Compared across 11 stores. Prices are checked against each store and labelled with when.
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The Rolex Datejust 31 Ref. 278343 is a two-tone luxury watch in Oystersteel and 18k yellow gold, with a domed diamond-set bezel and a champagne dial with applied index markers. Its 31mm case suits smaller wrists and reads as jewelry as much as a watch. The in-house caliber 2236 delivers about 55 hours of power reserve and Superlative Chronometer accuracy of −2/+2 seconds per day, with 100m water resistance. Against plain-steel Datejust 31s it trades sportiness for gold and diamonds; against full-gold rivals it is the more wearable, lower-key option.
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Lowest price we've seen: $18,245.00 on Nov 12 at Diamond Club Miami. Tracked across 11 stores since Nov 12.
Owners of the Datejust 31 generally praise its comfortable size, the sparkle of the diamond bezel and the reliability of the caliber 2236. Some find the 31mm case too small and note that two-tone finishes show scratches on the polished gold.
The Rolex Datejust 31 is reference 278343. Its 31mm case is made of Oystersteel and 18k yellow gold, a steel-and-gold combination Rolex calls Rolesor. A domed bezel set with diamonds surrounds the champagne dial, which has applied index hour markers.
The date sits under a Cyclops lens at 3 o'clock. The watch is worn on a three-piece-link Oyster bracelet.
It uses the in-house Rolex caliber 2236, which runs for about 55 hours once fully wound. The movement is certified as a Superlative Chronometer, with accuracy of -2/+2 seconds per day once cased. A screw-down crown and a sapphire crystal give water resistance to 100 meters.

















