Patek Philippe Aquanaut
97 % 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 $64,522. 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.
Patek Philippe Ref. 5167R-001 — Variants and collector names
Known as: Rose Aquanaut, Pink Aquanaut, 5167R
Production phases and changes
- 2009: Market introduction of Ref. 5167R-001 as the 18k rose gold variant of the Aquanaut 5167
- 2019: Caliber change Cal. 324 S C → Cal. 26-330 S C
Movement variants
- 324 S C (2009–2019) · 28800 bph
- 26-330 S C (2019–today) · 28800 bph
Serial numbers
- 4.5M – 6.5M (2009–2015) — Rough placement in the 5-million block; from 2009 onward PP issued serial numbers intentionally non-chronologically to make dating harder — Extract from the Archives is the only reliable dating source
- 7.0M – ? (2015–?) — 7-million block from approx. 2015; non-sequential assignment continues; current production falls within this block
Brand profile: Patek Philippe
Patek Philippe produces the world's most exclusive watches. Counterfeits are typically identifiable by their build quality — the genuine article sets standards that are nearly impossible to replicate.
- Dial embossing Nautilus: the genuine piece has 11 RAISED horizontal stripes with precise edges. 3D depth is visible under raking light. Flat stripes = fake.
- Case thickness Nautilus 5711: EXACTLY 8.3mm measured with calipers. Deviation of +0.5mm = fake with 7750 base or Miyota.
- Weight Nautilus 5711/1A: 131.4g ± 1g (with bracelet). >5g deviation = suspect.
- PP Seal on rotor (display back): the genuine Patek Philippe Seal features DEEP 3D engraving with sharp edges. Fake rotors have a shallow stamp.
Serial number format: Patek serial numbers: 6–7-digit number on the caseback. Complete archive held by Patek Philippe — an extract can be ordered.
Further sources
Buying guide: Patek Philippe Aquanaut
Entry into Patek Philippe
At $1,028 this reference is one of the more affordable ways to wear a Patek Philippe on your wrist. That is precisely why many pieces have already passed through several hands — condition varies accordingly. Buyers here should pay particular attention to service history and honest photos from the seller.
Where the price stands
The price has fallen by -22.5% over the past four months. No crash, but a clear downward trend. Buyers currently have room to negotiate; sellers are better off waiting for the market to bottom out — unless they have to sell.
Watch out for swings: This reference has an above-average volatility of 114.1 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 Patek Philippe Aquanaut 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 Aquanaut.
- 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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