Omega Constellation Co-Axial Master Chronometer 41mm Men
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.
What if you had bought back then …
What would a purchase at the median market price back then have become — at today's level of $11,348. A pure return calculation, excluding insurance, servicing and transaction costs.
Data from an aggregated median time series (watch_market_daily). CAGR = Compound Annual Growth Rate, normalized to 365 days. Not an investment recommendation.
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Technical data
Omega Ref. O13123412106001 — Variants and collector names
Known as: Constellation 41 Bicolor, Gents Constellation Sedna, Constellation 41mm Steel/Sedna
Movement variants
- 8900 (2020–today) · 25200 bph
Bezel variants
- Constellation-41-Blau-Keramik-Ceragold-RomanNumerals
- Constellation-41-Schwarz-Keramik-Ceragold-RomanNumerals
Dial variants
- Constellation-41-23-Blue-Sunbrushed-SednaGold — OMEGA logo (Sedna Gold) / CONSTELLATION / SWISS MADE / Date at 6 o'clock; faceted indices and hands in 18K Sedna Gold
- Constellation-41-23-Burgundy-Gradient-SednaGold — OMEGA logo (Sedna Gold) / CONSTELLATION / SWISS MADE / Date at 6 o'clock; faceted indices and hands in 18K Sedna Gold
- Constellation-41-23-Green-Sunbrushed-YellowGold — OMEGA logo (yellow gold) / CONSTELLATION / SWISS MADE / Date at 6 o'clock; faceted indices and hands in 18K yellow gold
- Constellation-41-23-RhodiumGrey-SilkEmbossed-SednaGold — OMEGA logo (Sedna Gold) / CONSTELLATION (Sedna Gold) / SWISS MADE / Date at 6 o'clock; faceted indices and hands in 18K Sedna Gold
Crystal variants
- Saphir-Dom-AR-beidseitig-Constellation-41
Bracelet variants
- Blau-Leder mit Gummifutter, Sedna-Gold-Dornschließe Ref. Constellation-41-23-Blue-Leather-Rubber-SednaGold-PinBuckle
- Grau-Leder mit Gummifutter, Sedna-Gold-Dornschließe Ref. Constellation-41-23-Grey-Leather-Rubber-SednaGold-PinBuckle
Reference O13123412106001 belongs to the Constellation 41 Bicolor family, also listed in the trade as "Gents Constellation Sedna" or "Constellation 41mm Steel/Sedna." Under the bezel sits Caliber 8900, Omega's Co-Axial Master Chronometer movement with 55 hours of power reserve and METAS certification — not a feature you'd automatically expect on a steel-and-gold combination at this price point. Four dial variants run under this reference family: Rhodium-Grey with a silk-embossed texture, Blue Sunbrushed, a Burgundy gradient, and a Green Sunbrushed with yellow-gold accents instead of Sedna gold. All four share the 41-millimeter case, and all four carry the Constellation's signature facets at the lug.
## A Ceramic Bezel Instead of the Classic Fluting
Anyone who's followed the Constellation since the '90s will look in vain on this reference for the fluted metal bezel of earlier models. Instead, there are two ceramic variants using the Ceragold process with Roman numerals — black or blue, both featuring the signature 18-karat gold that, with Ceragold, is sintered directly into the ceramic rather than applied on top. This is where a lot of buyers trip up when cross-checking references: dial color and bezel color don't necessarily correlate, and Rhodium-Grey turns up with both black and blue ceramic.
## What This Means for Market Valuation
The reference number alone isn't enough for an accurate market valuation — the dial code and bezel code can mean a difference of several hundred euros within the same reference family. At ChronoCheck, it's exactly this variant-level data that feeds into our market value calculation, not just the bare reference number.
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 Constellation Co-Axial Master Chronometer 41mm Men
Market situation and price range
At $11,348 the Constellation Co-Axial Master Chronometer 41mm Men 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 Omega Constellation Co-Axial Master Chronometer 41mm Men 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 Constellation Co-Axial Master Chronometer 41mm Men.
- 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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