Omega Speedmaster Moonwatch Professional Co‑Axial Master
10 % 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
Omega Ref. O31060425010001 — Variants and collector names
Known as: Green Moonwatch, Moonshine Gold Green Speedy, Gold Speedy Green Dial
Movement variants
- 3861 (2022–today) · 21600 bph
Bezel variants
- SpeedyMoon42-Keramik-Gruen-Ceragold-DON "Green Ceragold DON Bezel"
Dial variants
- Green Moonshine Step Dial — OMEGA / SWISS MADE; Moonwatch register layout (hour counter 3h, minutes 9h, small seconds 6h); Moonshine Gold index applications; sunburst finish; PVD treatment on brass base; step dial (raised outer ring like vintage)
Crystal variants
- Saphir-AR-beidseitig-Moonwatch-42mm-310
Bracelet variants
- 5-Bogen-Gliederarmband 18K Moonshine Gold Ref. SpeedyMoon42-MoonshinGold-5Bogen-Foldover
Reference O31060425010001 shows up in my day-to-day work under one of three names: Green Moonwatch, Moonshine Gold Green Speedy, or simply Gold Speedy Green Dial. All three refer to the same 42mm case in Omega's proprietary Moonshine Gold, an alloy deliberately toned paler than classic yellow gold.
## The dial is where the real story is
Collectors call it the Green Moonshine Step Dial; internally it runs under the code SpeedyMW42-Gruen-PVD-StepDial-MoonshinGold. The stepped structure is a PVD coating over a green base, not a lacquered standard dial. Paired with the Green Ceragold DON Bezel, a ceramic bezel with an inlaid scale, it creates a contrast I end up explaining to clients more than with any other Speedmaster variant.
## Inside beats the Caliber 3861
The in-house manual-winding movement with co-axial escapement and Master Chronometer certification has been powering practically every current Moonwatch for a few years now, and this reference is no exception. 44 hours of power reserve, tested to the METAS standard against magnetic fields up to 15,000 gauss. No production changes have been documented for this reference so far, a sign of a comparatively young and internally consistent execution within the Speedmaster line.
## What this means for authentication
With a reference built around such a specific dial-and-bezel combination, fakes tend to stand out fast. Anyone who doesn't nail the code SpeedyMoon42-Keramik-Gruen-Ceragold-DON exactly usually gives themselves away through the color depth of the ceramic or the step edge of the dial. Those are the two details I check first, long before the caliber even comes into the conversation.
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 Speedmaster Moonwatch Professional Co‑Axial Master
What drives the price here
At $51,988 the watch sells well if the condition is right. A market rule of thumb: a complete set with box, papers and warranty card brings 10 to 15 percent more than the bare watch. Buying without papers can pay off, but you take the same discount again later when you resell.
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 Speedmaster Moonwatch Professional Co‑Axial Master 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 Speedmaster Moonwatch Professional Co‑Axial Master.
- 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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