Omega Constellation Co-Axial Master Chronometer 41mm Men
9 % 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. O13133412103001 — Variants and collector names
Known as: Manhattan 41 Blue, Connie 41 Ceramic, Constellation 41 Liquidmetal, Blue Ceramic Constellation
Production phases and changes
- 2020: Redesign of the Constellation Gents' 41mm with the first polished ceramic bezel (blue and black) replacing the metal bezel
Movement variants
- 8900 (2020–today) · 25200 bph
Bezel variants
- Constellation-41-Blau-Keramik-Liquidmetal-RomanNumerals "Blue Liquidmetal Roman"
Dial variants
- Blue Rhodium Dial 2020 — OMEGA logo at 12h / Constellation star / date window at 6h / rhodium-plated baton indices / Co-Axial Master Chronometer text
Crystal variants
- Saphir-Dom-AR-beidseitig-Constellation-41
Bracelet variants
- Blaues Lederband mit Gummifutter Ref. Constellation-41-Blue-Leather-RubberLining-Steel-PinBuckle
Collectors know the O13133412103001 by four different names – Manhattan 41 Blue, Connie 41 Ceramic, Constellation 41 Liquidmetal, Blue Ceramic Constellation. All four refer to the same watch, and all four point to the same break with tradition: in 2020, Omega replaced the metal bezel on the Constellation Gents 41mm with polished ceramic for the first time, in both blue and black. For a line that had been defined by its four claws since the nineties, that was a watershed moment.
## What Else Disappeared in 2020
The claws stuck around as a design element, but they became vestigial, sitting flush against the ceramic edge instead of standing proud. At the same time, the case picked up bevelled edges, the crown took on a new shape, and the hands and indices grew slimmer, taking their cue from the triangular facets of One World Trade Center. On the Blue Rhodium Dial 2020, Liquidmetal numerals sit on a sunburst-blue dial with rhodium indices, while the bezel variant, Blue Liquidmetal Roman, adds Roman Liquidmetal numerals set into the ceramic ring. Anyone hunting for the white Grand Feu enamel dial on a blue bezel is looking at a third take on that same design language.
## Caliber 8900, No Exceptions
Every steel version in this series runs the Caliber 8900 under the caseback; the 8901 caliber has always been reserved for the precious-metal models. That makes for a solid first checkpoint when verifying authenticity: if a watch claiming to be an O13133412103001 has an 8901 stamped on the movement plate, something is off.
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
Entry into Omega
At $8,158 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.
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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