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Rolex Datejust 31 278240

Datejust · In production

Rolex Datejust 31 278240 with a black dial with Roman numerals and a smooth steel bezel on an Oyster bracelet, front view

Range published · high confidence

Worth about $8,700 pre-owned, with box and papers

Moving▲7.1% in 12 monthsList price €7,700 (January 2026)

With box and papers
$6,500–$10,900
Watch only (about)
$5,650–$9,400

Private-sale level for a pre-owned watch with box and papers, from recent eBay and auction results, weighted toward the newest; newest sale October 14, 2026. Retail shown is the retail list price in France per 41watch, January 2026.

Moving: Recent sale prices vary a fair amount from sale to sale. Over the last 90 days (8 sales), prices typically sat within about 20% of the middle. Below 10% we call a market stable, above 20% volatile.

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High confidence: 58 sold results in the last 24 months (55 on eBay and 3 at auction), 8 in the last 90 days, weighted toward recent sales (half-life 180 days). Range at least ±25% around the market price. In our walk-forward backtest over the past year, 91% of 25632 later sales fell inside high-confidence ranges like this one.

Prices last updated October 26, 2026.

Recent sales

80 sold results since Nov 27, 2023, newest first

eBay sold
$9,000 median39 sales, last 12 months
Auction sold
$9,400 median3 sales, last 12 months

Individual sale results behind our data, from eBay and auction houses. Each watch differs in condition and set.

Forum rows are posts on Reddit r/Watchexchange, RolexForums and WatchUSeek that the seller marked sold. The amount is the listed price when marked sold, not a confirmed sale price, and forum rows do not feed our price.

Price by condition

“Prices” counts how many of the 58 sold prices from 58 sales behind the headline fall in each condition. 44 prices have no recorded condition and count only toward the headline range. All of these observations are sold prices. Method version fv-2.0.
ConditionBox and papersRangeTypicalPrices
UnwornAny$7,650–$10,400$9,00014

Price history

Apr 2025: $7,300 median (2 observations)Jun 2025: $8,050 median (2 observations)Aug 2025: $7,350 median (2 observations)Sep 2025: $8,800 median (3 observations)Oct 2025: $7,450 median (3 observations)Nov 2025: $9,500 median (4 observations)Dec 2025: $8,800 median (3 observations)Feb 2026: $9,300 median (4 observations)Mar 2026: $9,500 median (5 observations)Apr 2026: $10,100 median (5 observations)May 2026: $8,400 median (2 observations)Jun 2026: $7,700 median (7 observations)Jul 2026: $8,250 median (3 observations)Aug 2026: $8,400 median (3 observations)Sep 2026: $10,800 median (2 observations)Oct 2026: $7,800 median (2 observations)
Monthly median of recorded sold results, before any adjustment for condition or box and papers.
Show price history as a table
MonthMedianObservations
Apr 2025$7,3002
Jun 2025$8,0502
Aug 2025$7,3502
Sep 2025$8,8003
Oct 2025$7,4503
Nov 2025$9,5004
Dec 2025$8,8003
Feb 2026$9,3004
Mar 2026$9,5005
Apr 2026$10,1005
May 2026$8,4002
Jun 2026$7,7007
Jul 2026$8,2503
Aug 2026$8,4003
Sep 2026$10,8002
Oct 2026$7,8002

Datejust 31 278240 price history over the years

  • eBay sold (from 2023), quarterly, 72 sales
Q4 2023, eBay sold: $8,350 median of 4 salesQ1 2024, eBay sold: $6,850 median of 7 salesQ2 2024, eBay sold: $8,200 median of 3 salesQ3 2024, eBay sold: $6,800 median of 3 salesQ1 2025, eBay sold: $8,500 median of 3 salesQ2 2025, eBay sold: $8,300 median of 5 salesQ3 2025, eBay sold: $7,600 median of 5 salesQ4 2025, eBay sold: $8,900 median of 10 salesQ1 2026, eBay sold: $8,950 median of 8 salesQ2 2026, eBay sold: $9,000 median of 13 salesQ3 2026, eBay sold: $9,000 median of 8 sales
Q4 2025, eBay sold: $8,900 median of 10 salesQ1 2026, eBay sold: $8,950 median of 8 salesQ2 2026, eBay sold: $9,000 median of 13 salesQ3 2026, eBay sold: $9,000 median of 8 sales
Median price per month or quarter. A point needs at least 3 records in its month or quarter; a gap in a line means too few records, and nothing is filled in. Historical context only: these series do not feed the price shown above.
Show long-range history as a table
eBay sold (from 2023), quarterly, 72 sales
QuarterMedianSales
Q4 2023$8,3504
Q1 2024$6,8507
Q2 2024$8,2003
Q3 2024$6,8003
Q1 2025$8,5003
Q2 2025$8,3005
Q3 2025$7,6005
Q4 2025$8,90010
Q1 2026$8,9508
Q2 2026$9,00013
Q3 2026$9,0008

About the Datejust 31 278240

The Rolex Datejust 31 278240 is a reference in the Rolex Datejust collection. It is in production. From our catalog: a 31 mm case in Steel (Oystersteel); bezel: Smooth (polished), stainless steel; movement: Calibre 2236. The specifications below list every fact we have sourced for this reference; anything we could not source is marked as not known.

What the sales say

The range for the 278240 rests on 58 sold results (55 eBay sales and 3 auction results), and the sales we list run from November 2023 to October 2026. No month was busier than June 2026, when 7 changed hands. Hammer results come from Grailzee. That record is deep enough for a high-confidence label, the level whose ranges held up best when we tested them on later sales. Its latest sale is recent, inside the last fortnight. Recent results wander by about 20%, a Moving market where timing and condition shift the outcome. A fair price for the 278240 can sit anywhere from about 25% below to 25% above the midpoint. With steady but not heavy trading, the estimate gives a sale half its weight after 180 days.

On a like-for-like annual view the median climbed 7.1%, comparing 42 recent sales with 16 earlier ones. Its first recorded sale dates from November 2023, so a decade-scale view will have to wait. Marketplace and saleroom prices line up closely, about 4% apart, on 39 eBay sales against 3 auction results.

Without box and papers, the same 278240 is worth about 13% less on the ratio we measured for its collection (from 131 watch-only sales). The listed sales split 29 full sets to 0 watch-only and 7 partial, with 18 unworn; the rest gave no set details. Unworn full sets sell about 5% above worn ones across our data, so an unworn example sits above the headline. The lowest listed sale, on January 31, 2024 (on eBay, set not stated), came in about 52% below the worth-about figure; the highest, on September 4, 2026 (on eBay, full set), about 38% above the worth-about figure.

Close to it on price in the same family: Datejust 36 126200 price, Datejust II 116300 price and Datejust Turn-O-Graph 116261 price.

278240Datejust 31

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