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Omega Seamaster Planet Ocean 600M vs Omega Speedmaster Dark Side of the Moon

Ref. 2201.50.00 vs Ref. 310.92.44.51.01.003

Comparing the Omega Seamaster Planet Ocean 600M to the Omega Speedmaster Dark Side of the Moon means weighing a significant price difference — is the premium justified? At ~$4,000 (market value) versus $13,200, 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 600M

RetailDiscontinued
Market Avg$4,000
Market Range$3,000 $5,000
Premium-13.0%
Flip Score3/10 – Moderate

Omega

Speedmaster Dark Side of the Moon

Retail$13,200
Market Avg$11,220
Market Range$9,874 $12,566
Premium-15.0%
Flip Score2/10 – Below Average

The Omega Seamaster Planet Ocean 600M is priced at ~$4,000 (market value) while the Omega Speedmaster Dark Side of the Moon comes in at $13,200. On the secondary market, the gap narrows: the Omega Seamaster Planet Ocean 600M trades around $4,000 and the Omega Speedmaster Dark Side of the Moon around $11,220, a difference of $7,220 favoring the Omega Seamaster Planet Ocean 600M. Available at 13% below retail and trending upward, this represents a buying opportunity for those comfortable with the current market position. The Omega Speedmaster Dark Side of the Moon shows a more modest market premium of -15.0%, though currently trending downward. For investors, the Omega Seamaster Planet Ocean 600M edges ahead with a flip potential score of 3/10 compared to 2/10.

Specifications

SpecificationOmega Seamaster Planet Ocean 600MOmega Speedmaster Dark Side of the Moon
Case Diameter42mm44.25mm
Case Thickness14.5mm13.78mm
Case MaterialStainless steelBlack ceramic (ZrO2)
BezelBlack unidirectional rotating bezel with diving scaleBlack ceramic bezel ring with tachymetre scale
CrystalSapphire crystal with anti-reflective treatmentSapphire crystal front and caseback
Water Resistance600m / 2000ft50m / 167ft
MovementOmega Co-Axial calibre 2500Omega Co-Axial Master Chronometer calibre 3861
Movement TypeAutomaticManual-winding
Power Reserve48 hours50 hours
Bracelet/StrapStainless steel braceletBlack coated nylon fabric strap
ClaspFolding clasp with diver extensionCeramic buckle
Lug Width20mm21mm

Key specification differences stand out between these two: The Omega Seamaster Planet Ocean 600M leads in water resistance (600m / 2000ft vs. 50m / 167ft), and the Omega Speedmaster Dark Side of the Moon offers longer power reserve at 50 hours, and the Omega Seamaster Planet Ocean 600M uses Stainless steel while the Omega Speedmaster Dark Side of the Moon opts for Black ceramic (ZrO2). 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 600M costs $95 versus $254 for the Omega Speedmaster Dark Side of the Moon. For water resistance, the Omega Seamaster Planet Ocean 600M delivers better value per meter of depth rating. The Omega Seamaster Planet Ocean 600M offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Omega Seamaster Planet Ocean 600M if you value a lower entry price, stronger flip potential, better value retention. Go with the Omega Speedmaster Dark Side of the Moon if you prioritize timing functionality. For pure investment potential, the Omega Seamaster Planet Ocean 600M has the edge based on current market data.

Frequently Asked Questions

Which is more affordable, the Omega Seamaster Planet Ocean 600M or the Omega Speedmaster Dark Side of the Moon?

The Omega Seamaster Planet Ocean 600M is more accessible, priced at ~$4,000 (market value) compared to $13,200.

Which watch is a better investment?

Based on current market data, the Omega Seamaster Planet Ocean 600M has a higher flip potential score of 3/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.

Which holds its value better on the secondary market?

The Omega Seamaster Planet Ocean 600M currently trades at 13.0% below retail, indicating moderate value retention on the pre-owned market.

How do the Omega Seamaster Planet Ocean 600M and Omega Speedmaster Dark Side of the Moon compare in size?

The Omega Seamaster Planet Ocean 600M measures 42mm in diameter and 14.5mm thick, while the Omega Speedmaster Dark Side of the Moon is 44.25mm by 13.78mm. Water resistance differs too: 600m / 2000ft versus 50m / 167ft.

What movements do these watches use?

The Omega Seamaster Planet Ocean 600M uses the Omega Co-Axial calibre 2500 with 48 hours power reserve, while the Omega Speedmaster Dark Side of the Moon runs on the Omega Co-Axial Master Chronometer calibre 3861 offering 50 hours of power reserve.

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