Omega Seamaster Ploprof
+36 % above RRP
📱 Track this reference's market value on the go with the watch value app — daily median, price alerts and a watchlist.
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 Omega Seamaster Ploprof (Ref. 224.30.55.21.01.001) is $10,906. Last sold at auction: $6,648 (Phillips, 10/2024).
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Technical data
Omega Ref. 224.30.55.21.01.001 — Variants and collector names
Known as: PloProf, Lefty, The Brick, Plouf
Production phases and changes
- 2009: Introduction of the Seamaster Ploprof 1200M at BaselWorld – Ref. 224.30.55.21.01.001 and family variants
- 2016: Titanium variant 227.90 introduced with Cal. 8912 Master Chronometer; steel Ref. 224.30 continues unchanged with Cal. 8500
- 2023: Summer-Blue O-MEGASTEEL variant 227.32.55.21.03.001 introduced
Movement variants
- 8500 (2009–today) · 25200 bph
Bezel variants
- Ploprof-1200M-Bidirektional-Saphir-Schwarz-60min "Ploprof Sapphire Bezel"
Dial variants
- Ploprof Black Wave — OMEGA / SEAMASTER / PLOPROF 1200M / CO-AXIAL CHRONOMETER
Crystal variants
- Saphir-AR-beidseitig-Ploprof-55x48mm
Bracelet variants
- Sharkproof Stahl-Maschenarmband Ref. Ploprof-Sharkproof-Mesh-Steel-224.30
Brand profile: Omega
Omega is the second most counterfeited Swiss watch brand. The Speedmaster and Seamaster are especially targeted. Pay close attention to movement details (Co-Axial) and dial textures.
- Speedmaster: The chronograph reset hand must snap back precisely to 12 o'clock — fakes stop 1–3 seconds off or wobble
- Speedmaster (Hesalite): The Omega logo is micro-laser-etched on the UNDERSIDE of the Hesalite crystal — only visible at a specific angle and in the right light — fakes omit it or place it incorrectly
- Seamaster: The wave-pattern dial must be ENGRAVED (tactile relief) — printed/flat wave lines = fake
- DON (Dot Over Ninety): small dot ABOVE the '90' on the Speedmaster tachymeter bezel — position/size often wrong on fakes
Serial number format: Omega serial number: 8-digit number on the caseback or between the lugs (on older models). Since ~2018 engraved on the caseback at 6 o'clock. Format: purely numeric. Verifiable on the Omega website with an extract from the archive.
Further sources
Buying guide: Omega Seamaster Ploprof
Entry into Omega
At $10,906 this reference is one of the more affordable ways to wear a Omega 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.
Watch out for swings: This reference has an above-average volatility of 40.0 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 Omega Seamaster Ploprof 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 Seamaster Ploprof.
- 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.
Check the market value live now
Interactive price analysis with momentum indicator and buy/sell signal.
Go to the market value tool →Auction results Omega Seamaster Ploprof 224.30.55.21.01.001
Recent hammer prices for this reference from international auction houses:
| Price | House | Date |
|---|---|---|
| $6,648 | Phillips | 10/2024 |