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Omega Seamaster Planet Ocean Ultra Deep vs Rolex Deepsea Challenge

Ref. 215.30.46.21.01.001 vs Ref. M126067-0001

Comparing the Omega Seamaster Planet Ocean Ultra Deep to the Rolex Deepsea Challenge means weighing a significant price difference — is the premium justified? At $11,400 versus $26,000, 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

Retail$11,400
Market Avg$9,120
Market Range$8,026 $10,214
Premium-20.0%
Flip Score2/10 – Below Average

Rolex

Deepsea Challenge

Retail$26,000
Market Avg$29,900
Market Range$26,312 $33,488
Premium+15.0%
Flip Score5/10 – Good

At retail, the Omega Seamaster Planet Ocean Ultra Deep is listed at $11,400 while the Rolex Deepsea Challenge comes in at $26,000. The Omega Seamaster Planet Ocean Ultra Deep comes in at $14,600 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap widens: the Omega Seamaster Planet Ocean Ultra Deep trades around $9,120 and the Rolex Deepsea Challenge around $29,900, a difference of $20,780 favoring the Omega Seamaster Planet Ocean Ultra Deep. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Rolex Deepsea Challenge commands an even stronger market premium of +15.0%, holding steady. For investors, the Rolex Deepsea Challenge edges ahead with a flip potential score of 5/10 compared to 2/10.

Specifications

SpecificationOmega Seamaster Planet Ocean Ultra DeepRolex Deepsea Challenge
Case Diameter45.5mm50mm
Case Thickness18.12mm23.0mm
Case MaterialStainless steel (O-MEGASTEEL)RLX titanium
BezelBlack ceramic unidirectional rotating bezel with liquidmetal diving scaleCerachrom (ceramic) in black
CrystalSapphire crystal with anti-reflective treatmentSapphire, 9.5mm thick
Water Resistance6000m / 19685ft11000m / 36090ft
MovementOmega Co-Axial Master Chronometer calibre 8912Rolex calibre 3230
Movement TypeAutomaticAutomatic
Power Reserve55 hours70 hours
Bracelet/StrapStainless steel bracelet (O-MEGASTEEL)Oyster, three-piece solid links in RLX titanium
ClaspFolding clasp with diver extensionOysterlock safety clasp with Fliplock extension and Glidelock extension system
Lug Width22mm22mm

Key specification differences stand out between these two: The Rolex Deepsea Challenge leads in water resistance (11000m / 36090ft vs. 6000m / 19685ft), and the Rolex Deepsea Challenge offers longer power reserve at 70 hours, and the Omega Seamaster Planet Ocean Ultra Deep uses Stainless steel (O-MEGASTEEL) while the Rolex Deepsea Challenge opts for RLX 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 $598 for the Rolex Deepsea Challenge. For water resistance, the Omega Seamaster Planet Ocean Ultra Deep delivers better value per meter of depth rating. The Omega Seamaster Planet Ocean Ultra Deep offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Omega Seamaster Planet Ocean Ultra Deep if you value a lower entry price, serious diving capabilities. Go with the Rolex Deepsea Challenge if you prioritize stronger flip potential, better value retention, serious diving capabilities. For pure investment potential, the Rolex Deepsea Challenge has the edge based on current market data.

Frequently Asked Questions

Which is more affordable, the Omega Seamaster Planet Ocean Ultra Deep or the Rolex Deepsea Challenge?

The Omega Seamaster Planet Ocean Ultra Deep is more accessible, priced at $11,400 compared to $26,000.

Which watch is a better investment?

Based on current market data, the Rolex Deepsea Challenge has a higher flip potential score of 5/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.

Which holds its value better on the secondary market?

The Rolex Deepsea Challenge currently trades at 15.0% above retail, indicating strong value retention on the pre-owned market.

How do the Omega Seamaster Planet Ocean Ultra Deep and Rolex Deepsea Challenge compare in size?

The Omega Seamaster Planet Ocean Ultra Deep measures 45.5mm in diameter and 18.12mm thick, while the Rolex Deepsea Challenge is 50mm by 23.0mm. Water resistance differs too: 6000m / 19685ft versus 11000m / 36090ft.

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 Rolex Deepsea Challenge runs on the Rolex calibre 3230 offering 70 hours of power reserve.

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