Rolex Day-Date 36
5 % below RRP
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ℹ️ 1-month trend
Price change over the past 30 days. Shows the short-term market movement — relevant if you want to buy or sell soon.
ℹ️ 4-month trend
The central metric behind the momentum score. It filters out short-term swings and shows the true, medium-term market trend of this reference.
ℹ️ Volatility
Annualised price fluctuation. Below 10 % = very stable, 10–20 % = normal, above 20 % = volatile. With high volatility the price can change quickly — in both directions. Be cautious about buying without checking the current price.
ℹ️ Momentum score
ChronoCheck's own indicator from 0 to 100, calculated from the 4-month trend, volatility and market direction.
- Above 60 — Upward trend. Good time to sell, prices are rising.
- 40 – 60 — Neutral. Stable price level, no pressure to act.
- Below 40 — Downward trend. Wait or enter at a good price.
ℹ️ Investment Grade A/B/C/D
ChronoCheck's own rating for each reference. A 0–100 point scale, made up of four weighted components:
- Momentum (40 pts) — trend strength from the momentum score.
- Liquidity (25 pts) — number of active live listings.
- Stability (20 pts) — inverse volatility — the calmer, the better.
- Source robustness (15 pts) — number of independent market sources.
- A · 75+ Trend is right, liquidity good, data broad.
- B · 55–74 Solid, but one component weaker.
- C · 35–54 Average, volatility or market breadth weigh on it.
- D · below 35 Downward or too little data — a collector's piece.
Not investment advice. Pure data analysis from aggregated market sources.
What if you had bought back then …
What would a purchase at the median market price back then have become — at today's level of $20,656. A pure return calculation, excluding insurance, servicing and transaction costs.
Data from an aggregated median time series (watch_market_daily). CAGR = Compound Annual Growth Rate, normalized to 365 days. Not an investment recommendation.
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Technical data
Lift angle 52° — important for timing-machine diagnosis: with this value a watchmaker can correctly measure rate deviation, amplitude and beat error. ChronoCheck verifies such technical details directly from the manufacturers' factory specifications.
Rolex Ref. 18238 — Variants and collector names
Known as: The President, The Presidential, Double Quickset President, Neo-Vintage Day-Date, 182XX President
Production phases and changes
- 1988: Introduction of Ref. 18238 with Cal. 3155 (Double Quickset for day and date)
- 1988: Letter-prefix serial number system introduced (starting with R prefix)
- 1991: US retail price: US$13,750 (Champagne dial / Bracelet 8385); Onyx dial option priced at US$14,650
- 2000: Superseded by Ref. 118238 (first 6-digit yellow gold Day-Date)
- 2015: Cal. 3155 regulated to Superlative Chronometer standard (relevant only for 118238 successor)
Movement variants
- 3155 (1988–2000) · 28800 bph
Bezel variants
- Fluted Bezel 18k Gold "Fluted Bezel / Fluted Bezel"
- Smooth Steel Bezel "Plain Bezel / Smooth Bezel"
Dial variants
- Champagne Diamond Dial — ROLEX / OYSTER PERPETUAL / DAY-DATE; factory-set diamond hour markers
- Classic Champagne Stick Dial — ROLEX / OYSTER PERPETUAL / DAY-DATE; baton indices; Cyclops at 3h
- Jurassic Park Dial / Diamond Fossil Dial — ROLEX / OYSTER PERPETUAL / DAY-DATE; fossil material with diamond decoration
- Ferrite Stone Dial — ROLEX / OYSTER PERPETUAL / DAY-DATE; Roman numerals in yellow gold
- Wood Dial — ROLEX / OYSTER PERPETUAL / DAY-DATE; gold markers vary
- Mother of Pearl Dial — ROLEX / OYSTER PERPETUAL / DAY-DATE; diamond markers on MOP
- Black Onyx Stone Dial — ROLEX / OYSTER PERPETUAL / DAY-DATE; no hour indices; minimalist
- Pyramid Dial / Pinball Dial — ROLEX / OYSTER PERPETUAL / DAY-DATE; large-scale hobnail texture
- Shantung Dial — ROLEX / OYSTER PERPETUAL / DAY-DATE; subtle brushed lacquer surface
- Tapestry Dial — ROLEX / OYSTER PERPETUAL / DAY-DATE; vertical grooved texture
Crystal variants
- Saphirglas mit Cyclops
Bracelet variants
- President Ref. 8385
Serial numbers
- R100000 – R999999 (1987–1988) — Earliest known 18238 examples may show R-series (transition from 18038 to 18238 in 1988); rare
- L100000 – L999999 (1988–1989) — L serial number prefix; typical of early 18238 production; L-serial documented ca. 1989 (Onyx Dial example)
- E100000 – E999999 (1990–1991) — E-serial documented by Chrono24 listings (E779213 ca. 1990); Diamond Fossil Dial example
- X100000 – X999999 (1991–1992) — X serial number prefix; part of the Rolex letter sequence of the letter-prefix era
- N100000 – N999999 (1992–1993) — N serial number prefix; documented by clasp dating on 8385 bracelet
- C100000 – C999999 (1993–1994) — C-serial as a collector highlight: the 'C-Serial Unpolished' 18238 is a sought-after variant (Oliver & Clarke listing)
- S100000 – S999999 (1994–1995) — S serial number prefix; 1994 Full Set documented (Chrono24 listing, Champagne Stick Dial)
- W100000 – W999999 (1995–1996) — W serial number prefix; 1995 Champagne Dial with papers documented (WatchCharts listing)
- T100000 – T999999 (1996–1997) — T serial number prefix; late production phase
- U100000 – U999999 (1997–1998) — U serial number prefix
- A100000 – A999999 (1999–2000) — A-serial 1999 documented as 'Rare Final Production Year' (Chrono24 listing with RSC Card); last 18238 serial numbers before supersession by 118238
In 1988, Rolex replaced the Ref. 18038 — with a caliber that delivers more in everyday use than it might first suggest. The Cal. 3155 introduced the double quickset: day and date can be set independently of one another, without stressing the movement by cycling through midnight. The jewel count climbed from 27 to 31, the movement measures 28.5 × 6.0 mm, and it carries a COSC certificate. Visually, the 18238 was barely distinguishable from the 18038. That is why collectors today look for the R prefix in the serial number — the marker Rolex introduced in 1988 with its new letter-prefix system.
## $13,750 and Ten Dials
In 1991, the U.S. retail price stood at $13,750 for the champagne variant with stick indices — the onyx dial added $900 to that figure. That might sound like a footnote, but it points to something larger: the 18238 was offered in ten official dial variants, running from the champagne stick index and wood veneer all the way to the Diamond Fossil, which the collector community today knows as the Jurassic Park Dial. On the bezel, there were two paths: smooth or fluted 18k gold, and that choice defines the character of the watch to this day.
## The Year 2000 as a Dividing Line
With the Ref. 118238, the 18238 era came to a close in 2000 after twelve years in production. The successor arrived with wider fully polished lugs and a more substantial President bracelet in place of the hollow original; the crown clasp was new as well. For collectors, that cutoff is a concrete point of reference: the 18238 is now considered the neo-vintage Day-Date — built during an era when Rolex had yet to introduce the rehaut engraving.
Brand profile: Rolex
Rolex is the most counterfeited watch brand in the world. Super-clones (VSF, ARF, Clean — the latter inactive after a raid in 07/2025, only old stock remaining) achieve 95%+ similarity. Authenticity is almost always detectable only via micro-details + movement behavior.
- Case back: ALWAYS solid and closed — any display window = definitely fake (exception: Vintage Ref. 6085 only)
- Minute hand length: genuine Rolex minute hands end EXACTLY at the minute chapter ring. 1 mm too long = fake. Strongest VSF tell.
- Seconds hand: smooth sweep without any hesitation — the slightest tick = fake
- Cyclops lens (on date models): must magnify exactly 2.5×, date fills almost the entire window
Serial number format: Since 2010: random alphanumeric combination (e.g. 'G3M9K721'). 2000–2010: letter + 6–7 digits. Serial number engraved on the rehaut at 6 o'clock (from ~2005). Older models: between the lugs at 6 o'clock on the case.
Further sources
Buying guide: Rolex Day-Date 36
Market situation and price range
At $20,656 the Day-Date 36 sits in a segment where first owners sell regularly — clean pieces with box and papers are not uncommon. The jump from "good" to "very good" usually costs 1,000 to 2,000 euros more at purchase. You get that premium back on resale if the condition is preserved.
Where the price stands
The price of the Day-Date 36 has risen by +9.1% over the past four months. Anyone selling now hits a good window. If you want to buy: no need to wait — the market is currently more hot than cold, and a clear end to the trend is not in sight.
Watch out for swings: This reference has an above-average volatility of 122.2 percent. In concrete terms: the price can move by several hundred euros within a few weeks. Check the current value before buying or selling — old listings or auction results from two months ago are of little help.
What to look out for when buying?
- Authenticity: The serial number and reference on the case must match the papers. A professional authenticity check of the Rolex Day-Date 36 reliably rules out counterfeits.
- Condition: Check scratches on the case and bezel — professional refurbishment can leave traces.
- Service history: A documented service by the manufacturer or a certified watchmaker increases the value.
- Scope of delivery: Box, papers and warranty card make a noticeable price difference on the Day-Date 36.
- Independent certification: The CPS-52 standard covers 52 checkpoints — from the serial number and the timing machine to water resistance. The result is secured on the blockchain and can be verified at any time.
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