Breitling Premier B01 Chronograph 42
11 % below RRP
📱 Track this reference's market value on the go with the watch value app — daily median, price alerts and a watchlist.
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.
The current market value of the Breitling Premier B01 Chronograph 42 (Ref. AB0145371L1A1) is $9,335. The trend points up (plus 17.2% over four months).
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 $9,335. 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.
🔔Set up a price alert
Be the first to know when the market value for Breitling Ref. AB0145371L1A1 reaches your target threshold. No ads, no newsletters — only the price alerts you set yourself. Cancel any time with a single click.
We send a confirmation email. The alert only becomes active after you click the link in that email (double opt-in). Our privacy notice applies. Multiple alerts per address are possible, max. 10 active at the same time. Not investment advice.
Technical data
Breitling Ref. AB0145371L1A1 — Variants and collector names
Production phases and changes
- 2023: Model change AB0118 → AB0145 (MY23): new bi-compax layout (30-min at 3 o'clock + running seconds at 9 o'clock) analogous to Ref. 777 from 1943; new dial colors green, copper, salmon; revised Cal. B01 with a more compact rotor; rectangular pushers retained.
Movement variants
- B01 (2023–today) · 28800 bph
Bezel variants
- 121 – Fixed Smooth Steel
Dial variants
- AB0145-171C1-Blue — PREMIER / Chronograph 42 / Breitling Cursive / Arabic numerals / Bicompax (subdials at 3 + 9 o'clock) / steel indices
- AB0145-211G1-Silver — PREMIER / Chronograph 42 / Breitling Cursive / Arabic numerals / Bicompax (subdials at 3 + 9 o'clock) / steel indices
- AB0145-221B1-Black — PREMIER / Chronograph 42 / Breitling Cursive / Arabic numerals / Bicompax (subdials at 3 + 9 o'clock) / steel indices
- Copper Dial Premier — PREMIER / Chronograph 42 / Breitling Cursive / Arabic numerals / Bicompax (subdials at 3 + 9 o'clock) / steel indices
- AB0145-371L1-Green — PREMIER / Chronograph 42 / Breitling Cursive / Arabic numerals / Bicompax (subdials at 3 + 9 o'clock) / steel indices
Crystal variants
- Sapphire-Cambered-AR
Bracelet variants
- Premier 7-Row Rouleaux Stahlband Ref. AB0145-A1-Steel-Rouleaux-7Row
- Alligatorleder Armband P1 Ref. AB0145-P1-Alligator-Strap
- Alligatorleder Armband P2 Ref. AB0145-P2-Alligator-Strap-Alt
In 2023, Breitling reworked the subdial layout on the Premier B01 Chronograph 42. The AB0145371L1A1, with its green dial, is one of six models that arrived that year and effectively replaced the outgoing AB0118 — without ever officially discontinuing it. The trigger was the brand's 80th anniversary, and Breitling looked back to the Ref. 777 from 1943 for inspiration. Instead of a tri-compax layout with a 12-hour counter, the watch now runs bi-compax: a 30-minute counter at 3 o'clock and running seconds at 9 o'clock. The Cal. B01 inside also picked up a more compact rotor in the process.
## Five Dials, One Family
The switch also brought new colors. Green, copper and salmon joined the existing lineup, with the AB0145371L1A1 representing the green option. In total, the reference now spans five dial codes: blue (171C1), black (221B1), silver (211G1), copper (331K1 — sometimes referred to in the trade as the "Copper Dial Premier") and, of course, green (371L1). The rectangular pushers carried over from the previous generation, and the case wears the same 121 bezel throughout — smooth and fixed, in steel.
## What This Means for Buyers
Anyone shopping for an AB0145 should pay close attention to the production year. Models from before 2023 carrying the AB0118 reference have a different dial layout and belong to the earlier series. For the green version, there's no established collector nickname — unlike the copper variant — which actually makes identification by reference number more straightforward. When it comes to valuing these on the market, condition of the Cal. B01 matters just as much as dial color, since Breitling equipped this generation with a revised caliber featuring its own distinct rotor design.
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 Premier B01 Chronograph 42
Entry into Breitling
At $9,335 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.
Where the price stands
The price of the Premier B01 Chronograph 42 has risen by +17.2% over the past four months. Anyone selling now hits a good window. If you want to buy: no need to wait — the market is currently more hot than cold, and a clear end to the trend is not in sight.
Watch out for swings: This reference has an above-average volatility of 64.5 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 Premier B01 Chronograph 42 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 Premier B01 Chronograph 42.
- 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.
Check the market value live now
Interactive price analysis with momentum indicator and buy/sell signal.
Go to the market value tool →