Omega Seamaster Planet Ocean Ultra Deep vs Tudor Pelagos 39
Ref. 215.30.46.21.01.001 vs Ref. M25407N-0001
Comparing the Tudor Pelagos 39 to the Omega Seamaster Planet Ocean Ultra Deep means weighing a significant price difference — is the premium justified? At $11,400 versus $4,700, these two watches serve different segments of the market. Here's how they stack up on specifications, value retention, and investment potential.
Price Comparison
Omega
Seamaster Planet Ocean Ultra Deep
Tudor
Pelagos 39
At retail, the Omega Seamaster Planet Ocean Ultra Deep is listed at $11,400 while the Tudor Pelagos 39 comes in at $4,700. The Tudor Pelagos 39 comes in at $6,700 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap narrows: the Omega Seamaster Planet Ocean Ultra Deep trades around $9,120 and the Tudor Pelagos 39 around $3,500, a difference of $5,620 favoring the Tudor Pelagos 39. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Pelagos 39 shows a more modest market premium of -25.5%, though currently trending downward. Both watches score equally on flip potential at 2/10, making neither a clear investment winner over the other.
Specifications
| Specification | Omega Seamaster Planet Ocean Ultra Deep | Tudor Pelagos 39 |
|---|---|---|
| Case Diameter | 45.5mm | 39mm |
| Case Thickness | 18.12mm | 11.8mm |
| Case Material | Stainless steel (O-MEGASTEEL) | Titanium |
| Bezel | Black ceramic unidirectional rotating bezel with liquidmetal diving scale | Unidirectional rotating bezel with ceramic insert in black |
| Crystal | Sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 6000m / 19685ft | 200m / 660ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8912 | Tudor Calibre MT5400 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | Stainless steel bracelet (O-MEGASTEEL) | Titanium bracelet |
| Clasp | Folding clasp with diver extension | Folding clasp with spring-loaded self-adjusting mechanism |
| Lug Width | 22mm | 20mm |
Key specification differences stand out between these two: The Omega Seamaster Planet Ocean Ultra Deep leads in water resistance (6000m / 19685ft vs. 200m / 660ft), and the Tudor Pelagos 39 offers longer power reserve at 70 hours, and the Omega Seamaster Planet Ocean Ultra Deep uses Stainless steel (O-MEGASTEEL) while the Tudor Pelagos 39 opts for Titanium. With 8 notable spec differences in total, the choice depends on which features matter most to your use case.
Value Per Feature
Per millimeter of case diameter, the Omega Seamaster Planet Ocean Ultra Deep costs $200 versus $90 for the Tudor Pelagos 39. For water resistance, the Omega Seamaster Planet Ocean Ultra Deep delivers better value per meter of depth rating. The Tudor Pelagos 39 offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Seamaster Planet Ocean Ultra Deep if you value better value retention, serious diving capabilities. Go with the Tudor Pelagos 39 if you prioritize a lower entry price, serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster Planet Ocean Ultra Deep or the Tudor Pelagos 39?
The Tudor Pelagos 39 is more accessible, priced at $4,700 compared to $11,400.
Which holds its value better on the secondary market?
The Omega Seamaster Planet Ocean Ultra Deep currently trades at 20.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Seamaster Planet Ocean Ultra Deep and Tudor Pelagos 39 compare in size?
The Omega Seamaster Planet Ocean Ultra Deep measures 45.5mm in diameter and 18.12mm thick, while the Tudor Pelagos 39 is 39mm by 11.8mm. Water resistance differs too: 6000m / 19685ft versus 200m / 660ft.
What movements do these watches use?
The Omega Seamaster Planet Ocean Ultra Deep uses the Omega Co-Axial Master Chronometer calibre 8912 with 55 hours power reserve, while the Tudor Pelagos 39 runs on the Tudor Calibre MT5400 offering 70 hours of power reserve.
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