Breitling Super Chronomat Automatic 38
32 % 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
Breitling Ref. U17356531L1S1 — Variants and collector names
Known as: Super Chronomat 38 Bicolor Mint Green, Super Chronomat 38 Two-Tone Green Rubber
Movement variants
- 17 (2022–today) · 28800 bph
Bezel variants
- U17356-671-DiamondLab-CeramicRiderTab-Bicolor "Lab Diamond Rider Tab Bicolor"
Dial variants
- Mint Green Bicolor — BREITLING / SUPER CHRONOMAT / AUTOMATIC 38 / date 3h
Crystal variants
- Sapphire-Cambered-AR
Bracelet variants
- Leder / Alligator Strap Ref. A17356-Leather-P1
- Rouleaux Bicolor Stahl+18k RG Ref. U17356-Rouleaux-Bicolor-L1U1
- Rubber Rouleaux Mint Green Ref. U17356-RubberRouleaux-Green
The Ref. U17356531L1S1 goes by "Super Chronomat 38 Bicolor Mint Green" internally, though on the secondary market you'll also see it called "Two-Tone Green Rubber," depending on whether collectors are describing the strap or the dial color. The case measures 38 millimeters, the smallest size in the current Chronomat lineup and deliberately more compact than the 41mm and 44mm variants. Bicolor here means steel paired with gold, a construction Breitling has built into the Chronomat line since the 1980s.
## The Dial Carries Its Own Catalog Code, Which Isn't a Given at Breitling
Internally, the mint green bicolor dial is logged as U17356-531-MintGreen-Baton, fitted with classic baton indices rather than Roman or Arabic numerals. At Breitling, a dial only earns its own code when it's treated as a standalone variant — not a marketing photo dressed up for the catalog, but a documented execution in its own right.
## The Lab-Grown Diamond Bezel Is What Actually Sets This Reference Apart
The rider-tab bezel (coded U17356-671-DiamondLab-CeramicRiderTab-Bicolor) pairs ceramic with lab-grown diamonds set into the rider tabs, also finished in bicolor. This is where the watch parts ways with the plainer Chronomat 38 references that skip the stone-set details entirely.
## Inside Runs Caliber 17 — Not In-House, But Dependable
Beneath the dial sits Caliber 17, Breitling's designation for a modified base movement offering roughly 38 hours of power reserve. No production changes have been documented for this reference so far, meaning the watch as it left the factory is the watch as it stands today.
Brand profile: Breitling
Breitling is known for aviation and dive watches. Chronographs (Navitimer, Chronomat) are the most frequently counterfeited. Pay close attention to slide rule details and COSC certification.
- Wing logo: a genuine Breitling logo shows the anchor and wing tips that NEVER touch — precise negative space between them — fakes let the tips meet or overlap
- 3D 'B' crown: the 'B' on the crown must appear three-dimensional with a light reflection on the curve — a flat 'B' = fake
- Bezel scale vs. dial: the outer white bezel scale must align precisely with the inner black dial indices — fakes show misalignment
- Date disc depth: a genuine Navitimer date disc sits flush with the dial plane — fakes show the date window as a 'crater' (noticeably sunken or raised)
Serial number format: Breitling serial numbers: alphanumeric, located between the lugs at 6 o'clock. Format: one letter + 8 digits (e.g. 'AB012012'). Older models: digits only.
Further sources
Buying guide: Breitling Super Chronomat Automatic 38
Entry into Breitling
At $10,288 this reference is one of the more affordable ways to wear a Breitling 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.
Watch out for swings: This reference has an above-average volatility of 82.9 percent. In concrete terms: the price can move by several hundred euros within a few weeks. Check the current value before buying or selling — old listings or auction results from two months ago are of little help.
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 Breitling Super Chronomat Automatic 38 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 Super Chronomat Automatic 38.
- 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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