
Omega
Omega Seamaster Planet Ocean 600M
Ref. 215.32.44.21.01.001
$5.8k–$7.2k
Pre-owned: $4.5k–$6k
Complete head-to-head comparison
Comparing the Omega Omega Seamaster Planet Ocean 600M ($5.8k–$7.2k, 600m WR, 43.5mm) against the Tudor Pelagos 39 ($4.3k–$4.7k, 500m WR, 39mm). The Tudor Pelagos 39 is the more affordable option by $1.4k.

Omega
Ref. 215.32.44.21.01.001
$5.8k–$7.2k
Pre-owned: $4.5k–$6k

Tudor
Ref. M25407N
$4.3k–$4.7k
Pre-owned: $3.8k–$4.4k
Price
Water Resistance
Score
Repurchase
Pros
Cons
Pros
Cons
Both are excellent watches with different strengths. The Omega Omega Seamaster Planet Ocean 600M offers a larger case and costs more new. The Tudor Pelagos 39 excels in overall construction. The best choice depends on your wrist size, budget, and preferred aesthetic.
The Omega Omega Seamaster Planet Ocean 600M retails for $5.8k–$7.2k, while the Tudor Pelagos 39 is priced at $4.3k–$4.7k. Pre-owned, expect $4.5k–$6k and $3.8k–$4.4k respectively. Actual secondary market prices vary based on condition and demand.
The Omega Omega Seamaster Planet Ocean 600M has a 43.5mm case diameter with 13.95mm thickness, while the Tudor Pelagos 39 measures 39mm × 12mm. Both have lug-to-lug measurements of 53mm and 46mm respectively. Consider your wrist size and wear style when deciding.
The Omega Omega Seamaster Planet Ocean 600M is water-resistant to 600m, while the Tudor Pelagos 39 offers 500m. 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 Omega Omega Seamaster Planet Ocean 600M uses a automatic Cal. 8900 with 60 hours power reserve. The Tudor Pelagos 39 features a automatic MT5602 with 70 hours power reserve. Both offer traditional mechanical craftsmanship.
Omega and Tudor both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $4.5k–$6k for the Omega Seamaster Planet Ocean 600M and $3.8k–$4.4k for the Pelagos 39. Condition, service history, and box/papers significantly impact resale value for both models.
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