
Breitling
Superocean 42
Ref. A17375E71C1S1
$4k–$5k
Pre-owned: $3k–$4k
Complete head-to-head comparison
Comparing the Breitling Superocean 42 ($4k–$5k, 300m WR, 42mm) against the Tudor Black Bay GMT ($4k–$5k, 200m WR, 41mm). The Breitling Superocean 42 is the more affordable option by $150.

Breitling
Ref. A17375E71C1S1
$4k–$5k
Pre-owned: $3k–$4k

Tudor
Ref. M79830RB
$4k–$5k
Pre-owned: $4k–$4k
Price
Water Resistance
Score
Repurchase
Pros
Cons
Pros
Cons
Community Verdict
Too Close to Call
Both sit in a similar price range: Breitling Superocean 42 at $4k–$5k vs Tudor Black Bay GMT at $4k–$5k — choose based on use case and style preference. Choose Breitling Superocean 42 (300m WR) for diving; Tudor Black Bay GMT (200m) suits everyday wear.
Both are excellent watches with different strengths. The Breitling Superocean 42 offers a larger case and costs less new. The Tudor Black Bay GMT excels in overall construction. The best choice depends on your wrist size, budget, and preferred aesthetic.
The Breitling Superocean 42 retails for $4k–$5k, while the Tudor Black Bay GMT is priced at $4k–$5k. Pre-owned, expect $3k–$4k and $4k–$4k respectively. Actual secondary market prices vary based on condition and demand.
The Breitling Superocean 42 has a 42mm case diameter with 12.35mm thickness, while the Tudor Black Bay GMT measures 41mm × 14.6mm. Both have lug-to-lug measurements of 49mm and 50mm respectively. Consider your wrist size and wear style when deciding.
The Breitling Superocean 42 is water-resistant to 300m, while the Tudor Black Bay GMT offers 200m. 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.
The Breitling Superocean 42 uses a automatic Breitling 17 with 38 hours power reserve. The Tudor Black Bay GMT features a automatic MT5652 with 70 hours power reserve. Both offer traditional mechanical craftsmanship.
Breitling and Tudor both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $3k–$4k for the Superocean 42 and $4k–$4k for the Black Bay GMT. Condition, service history, and box/papers significantly impact resale value for both models.
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