Cartier
Cartier Ballon Bleu 42mm
Ref. W6920084
$12k–$14k
Pre-owned: $9.5k–$12k
Cartier Cartier Ballon Bleu 42mmvsOmega Constellation 39Which Is Better in 2026?
Luxury dress watches: jeweled precision versus astronomical heritage
Comparing the Cartier Cartier Ballon Bleu 42mm ($12k–$14k, 30m WR, 42mm) against the Omega Constellation 39 ($5k–$5.6k, 100m WR, 39mm). The Omega Constellation 39 is the more affordable option by $7k.
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Omega
Constellation 39
Ref. 131.10.39.20.01.001
$5k–$5.6k
Pre-owned: $3.8k–$4.8k
Price
Cartier Ballon Bleu 42mm$12k–$14k
Constellation 39$5k–$5.6k
Water Resistance
Cartier Ballon Bleu 42mm30m
Constellation 39100m
Score
Cartier Ballon Bleu 42mm8.4/10
Constellation 398/10
Repurchase
Cartier Ballon Bleu 42mm81%
Constellation 3980%
Specifications Compared
Spec
Cartier Cartier Ballon Bleu 42mm
Omega Constellation 39
Cartier Ballon Bleu 42mm
Constellation 39
Case Diameter
42mm
39mm
Case Diameter
Cartier Ballon Bleu 42mm
42mm
Constellation 39
39mm
Case Thickness
10.6mm
11.5mm
Case Thickness
Cartier Ballon Bleu 42mm
10.6mm
Constellation 39
11.5mm
Lug Width
20mm
19mm
Lug Width
Cartier Ballon Bleu 42mm
20mm
Constellation 39
19mm
Lug-to-Lug
50mm
46mm
Lug-to-Lug
Cartier Ballon Bleu 42mm
50mm
Constellation 39
46mm
Movement
automatic
automatic
Movement
Cartier Ballon Bleu 42mm
automatic
Constellation 39
automatic
Caliber
1904-LU MC
Cal. 8800
Caliber
Cartier Ballon Bleu 42mm
1904-LU MC
Constellation 39
Cal. 8800
Power Reserve
42h
55h
Power Reserve
Cartier Ballon Bleu 42mm
42h
Constellation 39
55h
Water Resistance
30m
100m
Water Resistance
Cartier Ballon Bleu 42mm
30m
Constellation 39
100m
Crystal
sapphire
sapphire
Crystal
Cartier Ballon Bleu 42mm
sapphire
Constellation 39
sapphire
Case Material
Stainless Steel
Stainless Steel
Case Material
Cartier Ballon Bleu 42mm
Stainless Steel
Constellation 39
Stainless Steel
Bracelet/Strap
Stainless Steel bracelet
Stainless Steel
Bracelet/Strap
Cartier Ballon Bleu 42mm
Stainless Steel bracelet
Constellation 39
Stainless Steel
Price (New)
$12k–$14k
$5k–$5.6k
Price (New)
Cartier Ballon Bleu 42mm
$12k–$14k
Constellation 39
$5k–$5.6k
Price (Pre-owned)
$9.5k–$12k
$3.8k–$4.8k
Price (Pre-owned)
Cartier Ballon Bleu 42mm
$9.5k–$12k
Constellation 39
$3.8k–$4.8k
Style
dress, luxury, casual
dress, luxury, casual
Style
Cartier Ballon Bleu 42mm
dress, luxury, casual
Constellation 39
dress, luxury, casual
Pros & Cons
Cartier Cartier Ballon Bleu 42mm
Pros
- ✓Instantly recognizable design with the iconic blue sapphire cabochon
- ✓Elegant in-house 1904-LU MC automatic movement
- ✓Thin 10.6mm profile ensures comfortable wear under shirt cuffs
- ✓Excellent finishing and jewel-level craftsmanship
Cons
- ✗High price point at ,000 without sports watch capability
- ✗Limited water resistance (30m) restricts versatility
- ✗Design has remained virtually unchanged since 2007 - lacks novelty
- ✗Not as investment-grade as Rolex Datejust in secondary market
Omega Constellation 39
Pros
- ✓Claws at 3 and 9 are subtly distinctive and instantly recognizable
- ✓Most underrated Omega according to owners — a hidden gem
- ✓METAS-certified movement is anti-magnetic and accurate
- ✓Integrated bracelet flows seamlessly into the case
Cons
- ✗Overshadowed by Seamaster and Speedmaster in Omega lineup
- ✗Polished surfaces show scratches readily
- ✗Style can read as older — less trendy than the Aqua Terra
Community Verdict
Too Close to Call
Two ultra-luxury dress watches with different design DNA. The Cartier Ballon Bleu 42 ($8,500-12,000 depending on metal) is a jeweler's watch with a signature blue crown, refined proportions, and the 1904 MC movement. The Omega Constellation 39 ($5,000-8,000 entry) channels astronomical heritage with the in-house Master Chronometer movement. The Ballon Bleu appeals to high-jeweler sensibility and Cartier collectors; the Constellation targets watch-movement enthusiasts. The Ballon Bleu feels dressier and more feminine despite the 42mm size; the Constellation is more masculine and sport-forward at 39mm. Buy the Ballon Bleu if you want refined jeweler aesthetics and Cartier's finishing; buy the Constellation if you prioritize in-house movement credibility and astronomical design language.
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Frequently Asked Questions
Which is better: Cartier Cartier Ballon Bleu 42mm or Omega Constellation 39?▼
Both are excellent watches with different strengths. The Cartier Cartier Ballon Bleu 42mm offers a larger case and costs more new. The Omega Constellation 39 excels in water resistance. The best choice depends on your wrist size, budget, and preferred aesthetic.
What's the price difference?▼
The Cartier Cartier Ballon Bleu 42mm retails for $12k–$14k, while the Omega Constellation 39 is priced at $5k–$5.6k. Pre-owned, expect $9.5k–$12k and $3.8k–$4.8k respectively. Actual secondary market prices vary based on condition and demand.
How do the case sizes compare?▼
The Cartier Cartier Ballon Bleu 42mm has a 42mm case diameter with 10.6mm thickness, while the Omega Constellation 39 measures 39mm × 11.5mm. Both have lug-to-lug measurements of 50mm and 46mm respectively. Consider your wrist size and wear style when deciding.
Which has better water resistance?▼
The Cartier Cartier Ballon Bleu 42mm is water-resistant to 30m, while the Omega Constellation 39 offers 100m. Both are suitable for swimming and snorkeling at their respective depths. For professional diving, verify the rating exceeds 300m and includes a screw-down crown.
How do the movements compare?▼
The Cartier Cartier Ballon Bleu 42mm uses a automatic 1904-LU MC with 42 hours power reserve. The Omega Constellation 39 features a automatic Cal. 8800 with 55 hours power reserve. Both offer traditional mechanical craftsmanship.
Which holds value better?▼
Cartier and Omega both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $9.5k–$12k for the Cartier Ballon Bleu 42mm and $3.8k–$4.8k for the Constellation 39. Condition, service history, and box/papers significantly impact resale value for both models.
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