Breitling Chronomat Automatic 36mm Stainless Steel
19 % 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. A10380101A4A1 — Variants and collector names
Known as: Chronomat 36, Chronomat 36 MOP, Ladies Chronomat, Chronomat Automatic 36 Diamond Dial
Production phases and changes
- 2020: Introduction of the Chronomat Automatic 36 (Ref. A10380) – a complete relaunch of the Chronomat line for the ladies'/unisex segment
- 2021: South Sea Capsule Collection (bezel code 611, colored gemstone rider tabs, rubber strap P1)
Movement variants
- B10 (2020–today) · 28800 bph
Bezel variants
- A10380-101-Smooth-Rider-Tab "Smooth Rider-Tab Bezel"
- A10380-591-Diamond-Rider-Tab "Factory Diamond Bezel"
- A10380-611-Gem-South-Sea "South Sea Gem Bezel"
Dial variants
- White Dial (Diamond Bezel Variant) — BREITLING / CHRONOMAT / AUTOMATIC 36 / date 6 o'clock / stick indices
- Silver Dial — BREITLING / CHRONOMAT / AUTOMATIC 36 / date 6 o'clock / stick indices
- MOP Diamond Dial — BREITLING top / CHRONOMAT center / AUTOMATIC 36 bottom / date 6 o'clock / 12 diamond hour indices
- Blue Dial — BREITLING / CHRONOMAT / AUTOMATIC 36 / date 6 o'clock / stick indices
- Mint Green Dial — BREITLING / CHRONOMAT / AUTOMATIC 36 / date 6 o'clock / stick indices
Crystal variants
- Sapphire-Cambered-AR
Bracelet variants
- Rouleaux Stahl Ref. A10380-A1-Rouleaux-Steel
- Kautschuk-Armband Ref. A10380-P1-Rubber
Serial numbers
- ? – ? (2020–?) — From around 2010, Breitling has used a 4-digit date code system (WWJJ = calendar week + year), engraved between the lower lugs, instead of classic sequential serial numbers. Specific serial number ranges for Ref. A10380 are not publicly documented.
October 2020 brought a complete relaunch of Breitling's Chronomat lineup: a 36 mm case, COSC-certified Calibre B10 with 38 hours of power reserve, the iconic Rouleaux bracelet in a modernized form, and the characteristic four Rider Tabs on the bezel. From the outset, the A10380 family was conceived as a ladies' and unisex line — a positioning that has opened up a significantly broader secondary-market buyer base than the classic Chronomat 41 ever commanded.
## The 101 Bezel: Polished Rather Than Diamond-Set
The code 101 in reference number A10380101A4A1 identifies smooth, unset Rider Tab segments. Buyers looking for diamond-set tabs will find them on the 591 variant, which Breitling has also offered since 2020. In the marketplace, this configuration circulates under collector shorthand such as "Ladies Chronomat" or "Chronomat Automatic 36 Diamond Dial" — depending on the dial. Pre-owned prices run from roughly $3,967 to $6,768 varying by dial variant.
## 2021: Gemstone Rider Tabs and a Price Category of Their Own
A year after launch, Breitling expanded the A10380 family with the South Sea Capsule Collection. Bezel code 611 designates colored gemstone Rider Tabs in three colorways, available exclusively on a rubber strap. Anyone purchasing an A10380101A4A1 with original papers should verify the bezel configuration: the 611 gemstone variant did not yet exist in the launch year 2020, so a Rouleaux bracelet paired with a 611 bezel would be a telltale sign of a later component swap.
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 Chronomat Automatic 36mm Stainless Steel
Entry into Breitling
At $6,115 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 28.1 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 Chronomat Automatic 36mm Stainless Steel 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 Chronomat Automatic 36mm Stainless Steel.
- 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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