Omega Seamaster Planet Ocean Ultra Deep vs Tudor Royal
Ref. 215.30.46.21.01.001 vs Ref. M28300-0003
Comparing the Tudor Royal to the Omega Seamaster Planet Ocean Ultra Deep means weighing a significant price difference — is the premium justified? At $11,400 versus $2,650, 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
Royal
At retail, the Omega Seamaster Planet Ocean Ultra Deep is listed at $11,400 while the Tudor Royal comes in at $2,650. The Tudor Royal comes in at $8,750 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 Royal around $2,253, a difference of $6,867 favoring the Tudor Royal. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Royal commands an even stronger market premium of -15.0%, 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 Royal |
|---|---|---|
| Case Diameter | 45.5mm | 38mm |
| Case Thickness | 18.12mm | 10.5mm |
| Case Material | Stainless steel (O-MEGASTEEL) | Stainless steel |
| Bezel | Black ceramic unidirectional rotating bezel with liquidmetal diving scale | Stainless steel with knurled edge |
| Crystal | Sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 6000m / 19685ft | 100m / 330ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8912 | Tudor Calibre T601 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 38 hours |
| Bracelet/Strap | Stainless steel bracelet (O-MEGASTEEL) | Stainless steel integrated bracelet |
| Clasp | Folding clasp with diver extension | Folding clasp with safety catch |
| Lug Width | 22mm | Integrated bracelet |
Key specification differences stand out between these two: The Omega Seamaster Planet Ocean Ultra Deep leads in water resistance (6000m / 19685ft vs. 100m / 330ft), and the Omega Seamaster Planet Ocean Ultra Deep offers longer power reserve at 55 hours, and the Omega Seamaster Planet Ocean Ultra Deep uses Stainless steel (O-MEGASTEEL) while the Tudor Royal opts for Stainless steel. 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 $59 for the Tudor Royal. For water resistance, the Omega Seamaster Planet Ocean Ultra Deep delivers better value per meter of depth rating. The Tudor Royal offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Seamaster Planet Ocean Ultra Deep if you value serious diving capabilities. Go with the Tudor Royal if you prioritize a lower entry price, better value retention.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster Planet Ocean Ultra Deep or the Tudor Royal?
The Tudor Royal is more accessible, priced at $2,650 compared to $11,400.
Which holds its value better on the secondary market?
The Tudor Royal currently trades at 15.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Seamaster Planet Ocean Ultra Deep and Tudor Royal compare in size?
The Omega Seamaster Planet Ocean Ultra Deep measures 45.5mm in diameter and 18.12mm thick, while the Tudor Royal is 38mm by 10.5mm. Water resistance differs too: 6000m / 19685ft versus 100m / 330ft.
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 Royal runs on the Tudor Calibre T601 offering 38 hours of power reserve.
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