Patek Philippe Twenty-4 25mm White Gold 4920G-001
50 % 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.
The current market value of the Patek Philippe Twenty-4 25mm White Gold 4920G-001 (Ref. 4920G-001) is $16,497. Last sold at auction: $17,906 (Sotheby's, 09/2023).
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Technical data
Patek Philippe Ref. 4920G-001 — Variants and collector names
Known as: Eternal Gray, Medium Twenty-4 WG, Twenty~4 Medium White Gold
Movement variants
- E15 (?–today)
Bezel variants
- 4920G-Bezel-Diamond-WG-34
Dial variants
- Eternal Gray — Roman numerals (polished WG) at 6 and 12 o'clock; 10 diamond hour indices; no date display
Crystal variants
- 4920G-Saphir-Front
Bracelet variants
- Black Satin (Zweitband) Ref. 4920G-001-Strap-Black-Satin-WG
- Charcoal Grey Satin Ref. 4920G-001-Strap-CharcoalGrey-Satin-WG
Patek Philippe launched the Twenty~4 in 1999, the Geneva house's first standalone ladies' line in decades. The reference 4920G-001 is the mid-size case at 25 millimetres, crafted in 18-karat white gold. Collectors call it the "Eternal Gray" or "Medium Twenty-4 WG" — a nod to the dial that gives the piece its name, finished in a brushed grey sunburst.
## The diamond ring that defines the watch's face
34 is the number the bezel carries in Patek's internal code, and the bezel is exactly where the 4920G's presence comes from: set solid with brilliant-cut diamonds, mounted in white gold. That pairing of a slim case with a sparkling ring makes the watch especially wearable on wrists between 14 and 16 centimetres in circumference, without ever reading as restrained.
## Quartz over automatic — and deliberately so
Inside ticks the caliber E15, a quartz movement. For the early Twenty~4 generation, Patek Philippe chose against a mechanical movement on purpose, aiming for maximum timekeeping accuracy at a minimal case height. The automatic version didn't arrive until 2018, with reference 7300 in the larger 36-millimetre format. The 4920G stands as its own chapter in the line — not a precursor, but a parallel development with its own ambitions.
## What holds up resale value
For the 4920G-001, condition and completeness matter, but diamond quality on the bezel is what counts most. Anyone planning to sell should keep the purchase receipt and original box on hand. At ChronoCheck, we examine the reference, caliber E15, and dial execution in detail before naming a market value.
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 Twenty-4 25mm White Gold 4920G-001
Market situation and price range
At $16,497 the Twenty-4 25mm White Gold 4920G-001 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 Patek Philippe Twenty-4 25mm White Gold 4920G-001 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 Twenty-4 25mm White Gold 4920G-001.
- 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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Interactive price analysis with momentum indicator and buy/sell signal.
Go to the market value tool →Auction results Patek Philippe Twenty-4 25mm White Gold 4920G-001 4920G-001
Recent hammer prices for this reference from international auction houses:
| Price | House | Date |
|---|---|---|
| $17,906 | Sotheby's | 09/2023 |
| $8,886 | Sotheby's | 03/2023 |