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Omega Speedmaster Dark Side of the Moon vs Rolex Cosmograph Daytona

Ref. 310.92.44.51.01.002 vs Ref. M126500LN-0001

In the chronograph category, the Omega Speedmaster Dark Side of the Moon and Rolex Cosmograph Daytona go head to head — two of the most sought-after options from rival manufacturers. The Omega Speedmaster Dark Side of the Moon at $12,800 and the Rolex Cosmograph Daytona at $16,550 each bring unique strengths. Here's our detailed breakdown of how they compare on specs, pricing, and market value.

Price Comparison

Omega

Speedmaster Dark Side of the Moon

Retail$12,800
Market Avg$10,500
Market Range$9,000 $12,000
Premium-18.0%
Flip Score2/10 – Below Average

Rolex

Cosmograph Daytona

Retail$16,550
Market Avg$30,000
Market Range$27,000 $33,000
Premium+81.3%
Flip Score8/10 – Excellent

At retail, the Omega Speedmaster Dark Side of the Moon is listed at $12,800 while the Rolex Cosmograph Daytona comes in at $16,550. The Omega Speedmaster Dark Side of the Moon saves you $3,750 (29% less), a meaningful difference for most buyers. On the secondary market, the gap widens: the Omega Speedmaster Dark Side of the Moon trades around $10,500 and the Rolex Cosmograph Daytona around $30,000, a difference of $19,500 favoring the Omega Speedmaster Dark Side of the Moon. Available at 18% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Rolex Cosmograph Daytona commands an even stronger market premium of +81.3%, with upward momentum. For investors, the Rolex Cosmograph Daytona edges ahead with a flip potential score of 8/10 compared to 2/10.

Specifications

SpecificationOmega Speedmaster Dark Side of the MoonRolex Cosmograph Daytona
Case Diameter44.25mm40mm
Case Thickness13.78mm12.2mm
Case MaterialBlack ceramic (ZrO2)Oystersteel
BezelBlack ceramic bezel ring with tachymetre scaleCerachrom (ceramic) in black with tachymetric scale
CrystalSapphire crystal front and casebackSapphire
Water Resistance50m / 167ft100m / 330ft
MovementOmega Co-Axial Master Chronometer calibre 3861Rolex calibre 4131
Movement TypeManual-windingAutomatic
Power Reserve50 hours72 hours
Bracelet/StrapBlack coated nylon fabric strapOyster, three-piece solid links
ClaspCeramic buckleOysterlock safety clasp with Easylink 5mm comfort extension
Lug Width21mm20mm

Key specification differences stand out between these two: The Rolex Cosmograph Daytona leads in water resistance (100m / 330ft vs. 50m / 167ft), and the Rolex Cosmograph Daytona offers longer power reserve at 72 hours, and the Omega Speedmaster Dark Side of the Moon uses Black ceramic (ZrO2) while the Rolex Cosmograph Daytona opts for Oystersteel. 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 Speedmaster Dark Side of the Moon costs $237 versus $750 for the Rolex Cosmograph Daytona. For water resistance, the Omega Speedmaster Dark Side of the Moon delivers better value per meter of depth rating. The Omega Speedmaster Dark Side of the Moon offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Omega Speedmaster Dark Side of the Moon if you value a lower entry price, timing functionality. Go with the Rolex Cosmograph Daytona if you prioritize stronger flip potential, better value retention, timing functionality. For pure investment potential, the Rolex Cosmograph Daytona has the edge based on current market data.

Frequently Asked Questions

Which is more affordable, the Omega Speedmaster Dark Side of the Moon or the Rolex Cosmograph Daytona?

The Omega Speedmaster Dark Side of the Moon is more accessible, priced at $12,800 compared to $16,550.

Which watch is a better investment?

Based on current market data, the Rolex Cosmograph Daytona has a higher flip potential score of 8/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.

Which holds its value better on the secondary market?

The Rolex Cosmograph Daytona currently trades at 81.3% above retail, indicating strong value retention on the pre-owned market.

How do the Omega Speedmaster Dark Side of the Moon and Rolex Cosmograph Daytona compare in size?

The Omega Speedmaster Dark Side of the Moon measures 44.25mm in diameter and 13.78mm thick, while the Rolex Cosmograph Daytona is 40mm by 12.2mm. Water resistance differs too: 50m / 167ft versus 100m / 330ft.

What movements do these watches use?

The Omega Speedmaster Dark Side of the Moon uses the Omega Co-Axial Master Chronometer calibre 3861 with 50 hours power reserve, while the Rolex Cosmograph Daytona runs on the Rolex calibre 4131 offering 72 hours of power reserve.

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