Rolex Yacht-Master 40
+101 % above 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 $27,440. 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. 116655 — Variants and collector names
Production phases and changes
- 2019: Replaced by Ref. 126655 with Cal. 3235 (70h power reserve) and Glidelock clasp instead of Easylink
Movement variants
- 3135 (2015–2019) · 28800 bph
Bezel variants
- 116655-Black-Cerachrom-Bidirektional-60min-YM
Dial variants
- 116655-Black-Matte-Chromalight-YM40 — ROLEX / OYSTER PERPETUAL DATE / YACHT-MASTER / SUPERLATIVE CHRONOMETER / OFFICIALLY CERTIFIED – Everose gold appliques, gold-toned printed text
Crystal variants
- Saphir-Cyclops
Bracelet variants
- Oysterflex Everose Gold Ref. Oysterflex-Everose-116655
The 116655 is Rolex's first Yacht-Master on Oysterflex — the elastomer bracelet that debuted in 2015 with the Everose edition. No steel option, no Jubilee: this reference was reserved for 18-karat Everose gold from the start, 40 mm in diameter, powered by Calibre 3135 with 48 hours of power reserve. If you wanted a black, bidirectional Cerachrom bezel with a 60-minute scale on your wrist, there was no other reference to turn to.
## What Still Drives the Market Today
In 2019, Rolex discontinued the 116655 — the successor 126655 carries the newer Calibre 3235 with 70 hours of power reserve and a Glidelock clasp in place of Easylink. That makes every well-preserved 116655 a closed chapter. The black matte Chromalight version is considered by collectors to be the most legible dial in the line — Chromalight indices rated at 8 hours of luminescence, no reflections, a clean read below deck.
## Calibre 3135 and What That Means in 2026
Anyone who grew up with the 3135 knows: the movement delivers. Rolex ran it in the main line for over 30 years — COSC-certified, 3 Hz. The jump to the 3235 was real: 70 instead of 48 hours of power reserve, Chronergy escapement. But none of that costs the 116655 its relevance. On the market, the reference sits between 16,000 and 21,000 euros depending on condition, pricing stable since discontinuation. Buy one today and you're not buying a runout model — you're buying the complete generation.
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 Yacht-Master 40
Market situation and price range
At $27,440 the Yacht-Master 40 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.
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 Yacht-Master 40 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 Yacht-Master 40.
- 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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