Omega Seamaster Diver 300 M
27 % 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.
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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.
Omega Ref. 2531.80 — Variants and collector names
Known as: Bond Watch, Brosnan Bond, Blue Wave, SMP 300M, GoldenEye Seamaster
Production phases and changes
- 1993: Launch of 2531.80 with Cal. 1109, Tritium, early batches sometimes without CHRONOMETER dial text
- 1994: Caliber change from Cal. 1109 to Cal. 1120
- 1995: Helium escape valve crown receives Omega logo
- 1997: Lume change Tritium → SuperLumiNova
- 2006: Succeeded by Ref. 2220.80 with Cal. 2500 Co-Axial
Movement variants
- 1120 (1994–2006) · 28800 bph
Serial numbers
- 54000000 – 55999999 (1993–1994) — Early batch – Cal. 1109, Tritium, some No-COSC. Serial numbers for all Omega calibers of this era (approximate values, not reference-specific)
- 56000000 – 60150000 (1994–1997) — Cal. 1120 / Tritium phase. Approximate values for all Omega calibers.
- 60150000 – 83000000 (1997–2006) — Cal. 1120 / SuperLumiNova phase. Lume change to SLN from approx. serial number 60150000. Approximate values for all Omega calibers.
The Omega Seamaster 300M Ref. 2531.80 hits the market in 1993, fitted with the Cal. 1109 and still carrying tritium lume on the dial. Early production batches sometimes skip the CHRONOMETER print entirely, a detail that makes collectors sit up when dating a piece. A 1503/825 bracelet with unstamped end links and a He valve without the Omega logo round out the first model year. Alongside it, Omega launches the Ref. 2541.80, a quartz variant debuting the same year.
## The Caliber Swap That Redefined Accuracy
In 1994, Omega swaps the Cal. 1109 for the Cal. 1120, and the rotor gets a completely reworked profile. Jewel count jumps from 21 to 23, and COSC certification becomes standard. For buyers, that means watches from 1994 onward run with the chronometer pedigree that still makes the 2531.80 so sought-after on auction platforms today.
## Tritium to Super-LumiNova: 1997 as the Turning Point
In 1997, the lume switches from tritium to Super-LumiNova, alongside a subtle text adjustment in the proportions of the "f" and "3" on the dial. For anyone trying to date a 2531.80 roughly without taking it apart, this is the most reliable marker. Around 1995 — sources are hazy on the exact year — the Omega logo also migrates onto the He valve crown.
## 2006: The End of an Era
In 2006, Omega discontinues the 2531.80, replacing it with the Ref. 2220.80, powered by the Co-Axial Cal. 2500 and featuring applied rather than printed hour markers and a red SEAMASTER script. Among collectors, the 2531.80 still circulates under names like Bond Watch, Brosnan Bond, or GoldenEye Seamaster, a nod to its most famous wearer, Pierce Brosnan.
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 Diver 300 M
Entry into Omega
At $3,151 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 35.7 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 Diver 300 M 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 Diver 300 M.
- 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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