Omega Speedmaster Dark Side of the Moon vs Rolex Datejust 36
Ref. 310.92.44.51.01.002 vs Ref. M126234-0015
The Omega Speedmaster Dark Side of the Moon (chronograph) and Rolex Datejust 36 (dress watch) represent different approaches to luxury watchmaking. While the Omega Speedmaster Dark Side of the Moon is priced at $12,800 and the Rolex Datejust 36 at $10,550, both offer compelling value propositions. This comparison examines their specifications, market positioning, and investment potential side by side.
Price Comparison
Omega
Speedmaster Dark Side of the Moon
Rolex
Datejust 36
At retail, the Omega Speedmaster Dark Side of the Moon is listed at $12,800 while the Rolex Datejust 36 comes in at $10,550. The Rolex Datejust 36 saves you $2,250 (21% less), a meaningful difference for most buyers. On the secondary market, the gap narrows: the Omega Speedmaster Dark Side of the Moon trades around $10,500 and the Rolex Datejust 36 around $9,500, a difference of $1,000 favoring the Rolex Datejust 36. Available at 18% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Rolex Datejust 36 commands an even stronger market premium of -10.0%, holding steady. For investors, the Rolex Datejust 36 edges ahead with a flip potential score of 3/10 compared to 2/10.
Specifications
| Specification | Omega Speedmaster Dark Side of the Moon | Rolex Datejust 36 |
|---|---|---|
| Case Diameter | 44.25mm | 36mm |
| Case Thickness | 13.78mm | 11.6mm |
| Case Material | Black ceramic (ZrO2) | Oystersteel and 18ct white gold |
| Bezel | Black ceramic bezel ring with tachymetre scale | 18ct white gold, fluted |
| Crystal | Sapphire crystal front and caseback | Sapphire with Cyclops lens |
| Water Resistance | 50m / 167ft | 100m / 330ft |
| Movement | Omega Co-Axial Master Chronometer calibre 3861 | Rolex calibre 3235 |
| Movement Type | Manual-winding | Automatic |
| Power Reserve | 50 hours | 70 hours |
| Bracelet/Strap | Black coated nylon fabric strap | Jubilee, five-piece links |
| Clasp | Ceramic buckle | Oysterclasp with Easylink 5mm comfort extension |
| Lug Width | 21mm | 20mm |
Key specification differences stand out between these two: The Rolex Datejust 36 leads in water resistance (100m / 330ft vs. 50m / 167ft), and the Rolex Datejust 36 offers longer power reserve at 70 hours, and the Omega Speedmaster Dark Side of the Moon uses Black ceramic (ZrO2) while the Rolex Datejust 36 opts for Oystersteel and 18ct white gold. 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 $264 for the Rolex Datejust 36. For water resistance, the Rolex Datejust 36 delivers better value per meter of depth rating. The Rolex Datejust 36 offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Speedmaster Dark Side of the Moon if you value timing functionality. Go with the Rolex Datejust 36 if you prioritize a lower entry price, stronger flip potential, better value retention. For pure investment potential, the Rolex Datejust 36 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 Datejust 36?
The Rolex Datejust 36 is more accessible, priced at $10,550 compared to $12,800.
Which watch is a better investment?
Based on current market data, the Rolex Datejust 36 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 Rolex Datejust 36 currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Speedmaster Dark Side of the Moon and Rolex Datejust 36 compare in size?
The Omega Speedmaster Dark Side of the Moon measures 44.25mm in diameter and 13.78mm thick, while the Rolex Datejust 36 is 36mm by 11.6mm. 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 Datejust 36 runs on the Rolex calibre 3235 offering 70 hours of power reserve.
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