Cartier Ballon Bleu de Cartier
51 % 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.
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 $3,892. 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.
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Technical data
Lift angle 52° — important for timing-machine diagnosis: with this value a watchmaker can correctly measure rate deviation, amplitude and beat error. ChronoCheck verifies such technical details directly from the manufacturers' factory specifications.
Cartier Ref. W6920046 — Variants and collector names
Known as: Midsize Ballon Bleu, BB36 Auto Steel
Production phases and changes
- 2021: Reference Number Change: W6920046 → WSBB0048
Movement variants
- 076 (?–today) · 28800 bph
Bezel variants
- W6920046-Bezel-Steel-Smooth
Dial variants
- W6920046-Dial-Silver-Guilloche-Roman — guilloché finish, black Roman numerals, railway minute ring
Crystal variants
- Saphir-BallonBleu-36
Bracelet variants
- Ballon Bleu 36mm Stahlarmband mit Doppeldrücker-Faltschließe Ref. W6920046-Bracelet-Steel-3Row-DeployantClasp
The Cartier W6920046 is the 36 mm steel version of the Ballon Bleu: Calibre 076, silver-toned guilloche dial with Roman numerals, smooth polished steel bezel. What complicates buying this watch on the pre-owned market is that Cartier has carried the same watch forward under reference WSBB0048 since approximately 2021 — spec-for-spec identical. Anyone buying a W6920046 is functionally buying the same watch sold new today as the WSBB0048.
## The Reference Change Sellers Prefer to Leave Unmentioned
The W6920046 turns up today almost exclusively on the secondary market. Chrono24 lists the successor reference WSBB0048 new from around $4,784 in summer 2026; the W6920046 trades pre-owned between $3,267 and $4,201 depending on condition and completeness of papers. The gap to new retail averages $700 to $1,050 — a concrete buying argument, provided box and papers are included. Without original papers, that advantage shrinks to under $350.
## What Calibre 076 Delivers in Everyday Wear
The in-house Calibre 076 is an automatic movement with approximately 42 hours of power reserve. In the BB36 it handles the timekeeping at 36 mm of diameter — a format worn comfortably by women and men alike without the watch reading as oversized. The guilloche dial with its silver-toned finish catches light differently than a flat-polished surface. In direct comparison with the smooth variant, the difference is visible without a loupe — and at resale, it is often the first thing buyers bring up.
Brand profile: Cartier
Cartier watches (Santos, Tank, Ballon Bleu) are popular targets for counterfeiters. The distinctive design (Roman numerals, blue sword hands) is recognizable — but also easy to copy.
- Sapphire cabochon crown: on genuine pieces it's SET INTO THE METAL (bezel-set); on fakes it's usually GLUED. Test: loupe — adhesive residue around the edge = fake.
- Bracelet screws: genuine Cartier bracelets ALWAYS have visible screw slots. Pins instead = fake.
- 'Swiss Made' at 6 o'clock: MICROPRINTED directly beneath the 6 o'clock marker. Fakes often omit it or print it crooked.
- Guilloché pattern: under 10x magnification, EXACTLY parallel and uniformly deep. Irregularities = fake.
Serial number format: Cartier serial numbers: alphanumeric, on the case back. Older models: number located between the crystal ring and the case. New purchases come with a Cartier passport.
Further sources
Buying guide: Cartier Ballon Bleu de Cartier
Entry into Cartier
At $3,892 this reference is one of the more affordable ways to wear a Cartier 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 35.2 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 Cartier Ballon Bleu de Cartier 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 Ballon Bleu de Cartier.
- 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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