Omega Omega Seamaster Planet Ocean 600MvsTudor Pelagos 39Which Is Better in 2026?

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 Seamaster Planet Ocean 600M official product image

Omega

Omega Seamaster Planet Ocean 600M

Ref. 215.32.44.21.01.001

$5.8k–$7.2k

Pre-owned: $4.5k–$6k

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Price

Omega Seamaster Planet Ocean 600M$5.8k–$7.2k
Pelagos 39$4.3k–$4.7k

Water Resistance

Omega Seamaster Planet Ocean 600M600m
Pelagos 39500m

Score

Omega Seamaster Planet Ocean 600M8.9/10
Pelagos 398/10

Repurchase

Omega Seamaster Planet Ocean 600M85%
Pelagos 3980%

Specifications Compared

Omega Seamaster Planet Ocean 600M
Pelagos 39
Case Diameter
Omega Seamaster Planet Ocean 600M
43.5mm
Pelagos 39
39mm
Case Thickness
Omega Seamaster Planet Ocean 600M
13.95mm
Pelagos 39
12mm
Lug Width
Omega Seamaster Planet Ocean 600M
22mm
Pelagos 39
20mm
Lug-to-Lug
Omega Seamaster Planet Ocean 600M
53mm
Pelagos 39
46mm
Movement
Omega Seamaster Planet Ocean 600M
automatic
Pelagos 39
automatic
Caliber
Omega Seamaster Planet Ocean 600M
Cal. 8900
Pelagos 39
MT5602
Power Reserve
Omega Seamaster Planet Ocean 600M
60h
Pelagos 39
70h
Water Resistance
Omega Seamaster Planet Ocean 600M
600m
Pelagos 39
500m
Crystal
Omega Seamaster Planet Ocean 600M
sapphire
Pelagos 39
sapphire
Case Material
Omega Seamaster Planet Ocean 600M
Stainless Steel
Pelagos 39
Titanium
Bracelet/Strap
Omega Seamaster Planet Ocean 600M
Stainless Steel bracelet
Pelagos 39
Titanium with rubber
Price (New)
Omega Seamaster Planet Ocean 600M
$5.8k–$7.2k
Pelagos 39
$4.3k–$4.7k
Price (Pre-owned)
Omega Seamaster Planet Ocean 600M
$4.5k–$6k
Pelagos 39
$3.8k–$4.4k
Style
Omega Seamaster Planet Ocean 600M
dive, sport, luxury
Pelagos 39
dive, sport

Pros & Cons

Omega Omega Seamaster Planet Ocean 600M

Pros

  • Master Chronometer certification with -0/+5 second annual accuracy
  • 60-hour power reserve reduces winding frequency
  • 600m water resistance suitable for most diving scenarios
  • Distinctive helium escape valve for saturation diving

Cons

  • Larger 43.5mm case not suitable for all wrists
  • Competes closely with Tudor Pelagos in price and performance
  • Service costs can be high due to in-house movement complexity

Tudor Pelagos 39

Pros

  • Titanium construction makes it noticeably lighter than steel alternatives
  • In-house movement with silicon balance spring at this price
  • Matte ceramic bezel is subtle but premium
  • Spring-loaded micro-adjust clasp is a game-changer for comfort

Cons

  • Titanium scratches more visibly than steel
  • Limited strap options compared to Black Bay
  • Dial can feel sterile — some miss the warmth of Black Bay

Frequently Asked Questions

Which is better: Omega Omega Seamaster Planet Ocean 600M or Tudor Pelagos 39?

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.

What's the price difference?

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.

How do the case sizes compare?

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.

Which has better water resistance?

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.

How do the movements compare?

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.

Which holds value better?

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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