Omega Speedmaster Moonwatch Professional Co-Axial Chrono
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. O31063425001001 — Variants and collector names
Known as: Sedna Gold Moonwatch, Sedna Speedy, Gold Speedy Leather
Movement variants
- 3861 (2021–today) · 21600 bph
Bezel variants
- Moonwatch-3861-DON-Alu-Schwarz-Fixed "DON Bezel"
Dial variants
- Black Step Dial Sedna Gold — Black step dial with raised outer rim (like Gen-4); applied Sedna Gold baton indices; OMEGA logo applied in Sedna; subdials: small seconds 9h, 30-min counter 3h, 12h counter 6h; printed elements in Sedna tone
Crystal variants
- Saphir-AR-beidseitig-Moonwatch-42mm-310
Bracelet variants
- Schwarzes Alligatorkrokodil-Lederband, 18K Sedna-Gold-Schließe Ref. SpeedyMoon-Leder-Schwarz-Alligator-SednaGold-PinBuckle
The O31063425001001 is no ordinary Speedmaster. Omega uses Sedna Gold here — a proprietary alloy containing 37% copper, 15% palladium, and 3% ruthenium — producing a rose-gold tone that reads noticeably warmer than classic 18k yellow gold. The case measures 42 mm, and the black step dial sits deep within the layered architecture behind the DON bezel: an aluminium tachymeter ring carried over from the earliest Moonwatch generations since 1968, deployed here as a deliberate contrast to the gold case.
## Calibre 3861: The First Moonwatch Movement with Master Chronometer Certification
Inside the caseback beats Calibre 3861, which in 2021 succeeded the 1861. METAS certification means 8 precision tests, a rate accuracy of 0 to +5 seconds per day, and resistance to magnetic fields up to 15,000 gauss. For a watch worn on the wrist of Buzz Aldrin on the Moon, that is not a marketing claim — it is a technical baseline. Manual winding delivers a 60-hour power reserve.
## What the Market Pays for the Sedna Speedy
In collector circles this reference goes by three names: Sedna Gold Moonwatch, Sedna Speedy, or Gold Speedy Leather — the Omegaskin leather strap is standard equipment. The retail price at launch was around 28,900 euros; pre-owned examples currently trade between 22,000 and 26,500 euros depending on condition. Box-and-papers examples command at least a 10% premium over watches without complete documentation.
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 Chrono
What drives the price here
At $36,038 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 Chrono 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 Chrono.
- 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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