Omega Constellation Co-Axial Master Chronometer
11 % 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. O13110392001001 — Variants and collector names
Known as: Connie 39, Constellation Manhattan 39, Steel Constellation 39 METAS
Production phases and changes
- 2020: New introduction: case 38→39mm, Cal. 8800 (METAS Master Chronometer), new integrated bracelet, Freedom Tower hands, redesigned claws and crown
Movement variants
- 8800 (2020–today) · 25200 bph
Bezel variants
- Constellation-39-Fixed-Steel-Polished-RomanUpright-2020 "Upright Roman Bezel"
Dial variants
- Black Constellation 39 — Sunburst black / date at 6h / baton indexes + Omega logo + Constellation star 18K white gold / OMEGA inscription brushed
- Grey Constellation 39 Steel — Satin-matte rhodium grey / date at 6h / baton indexes + Omega logo + Constellation star 18K white gold / OMEGA inscription brushed
- Silver Constellation 39 — Sunburst silver / date at 6h / baton indexes + Omega logo + Constellation star 18K white gold / OMEGA inscription brushed
Crystal variants
- Saphir gewölbt AR beidseitig
Bracelet variants
- Integrated Constellation Steel Bracelet 39mm Ref. Constellation-39-Integrated-Steel-2020
Omega completely overhauled the Constellation Gent's Collection in 2020, retiring the previous 131.10.38 and its Cal. 8501/8521. The case grew from 38 to 39 millimeters, and the Cal. 8800 moved in, METAS-certified as a Master Chronometer. Anyone searching for reference O13110392001001 in steel with the classic upright Roman bezel gets a direct answer to how Omega repositioned the Constellation for the 2020s. The Freedom Tower hands are the instantly recognizable detail, joined by redesigned claws and a reworked crown.
## What the Cal. 8800 Really Delivers
The switch to the Cal. 8800 is more than just a caliber number. The triple-folding clasp gained a Comfort Release function with 2 millimeters of micro-adjustment and a quick-change function for the integrated bracelet — both new over the previous generation. Collectors know the model as the "Connie 39" or "Steel Constellation 39 METAS," a sign of just how much the METAS certification shapes its reputation on the secondary market.
## Three Dials, One Foundation
The reference comes in three dial versions: black, silver, and a rhodium-gray, each paired with steel and white-gold applied markers. All three share the same case with the fixed, polished upright Roman bezel. When identifying the O13110392001001, dial color is what matters most — the reference number itself stays the same across all three variants, with only the dial code distinguishing them in the details.
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
Entry into Omega
At $7,549 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 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.
- 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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