Omega Speedmaster Dark Side of the Moon vs Rolex GMT-Master
Ref. 310.92.44.51.01.002 vs Ref. 1675
Comparing the Rolex GMT-Master to the Omega Speedmaster Dark Side of the Moon means weighing a significant price difference — is the premium justified? At $12,800 versus ~$32,000 (market value), 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
Speedmaster Dark Side of the Moon
Rolex
GMT-Master
The Omega Speedmaster Dark Side of the Moon is priced at $12,800 while the Rolex GMT-Master comes in at ~$32,000 (market value). On the secondary market, the gap widens: the Omega Speedmaster Dark Side of the Moon trades around $10,500 and the Rolex GMT-Master around $32,000, a difference of $21,500 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 GMT-Master commands an even stronger market premium of 0.0%, with upward momentum. For investors, the Rolex GMT-Master edges ahead with a flip potential score of 6/10 compared to 2/10.
Specifications
| Specification | Omega Speedmaster Dark Side of the Moon | Rolex GMT-Master |
|---|---|---|
| Case Diameter | 44.25mm | 40mm |
| Case Thickness | 13.78mm | 12.0mm |
| Case Material | Black ceramic (ZrO2) | Stainless steel |
| Bezel | Black ceramic bezel ring with tachymetre scale | Stainless steel with aluminum insert in blue and red |
| Crystal | Sapphire crystal front and caseback | Acrylic with Cyclops lens |
| Water Resistance | 50m / 167ft | 50m / 165ft |
| Movement | Omega Co-Axial Master Chronometer calibre 3861 | Rolex calibre 1575 |
| Movement Type | Manual-winding | Automatic |
| Power Reserve | 50 hours | 48 hours |
| Bracelet/Strap | Black coated nylon fabric strap | Oyster, folded or riveted links (varies by year) |
| Clasp | Ceramic buckle | Oyster folding clasp |
| Lug Width | 21mm | 20mm |
Key specification differences stand out between these two: the Omega Speedmaster Dark Side of the Moon offers longer power reserve at 50 hours, and the Omega Speedmaster Dark Side of the Moon uses Black ceramic (ZrO2) while the Rolex GMT-Master 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 Speedmaster Dark Side of the Moon costs $237 versus $800 for the Rolex GMT-Master. 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 timing functionality. Go with the Rolex GMT-Master if you prioritize a lower entry price, stronger flip potential, better value retention. For pure investment potential, the Rolex GMT-Master 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 GMT-Master?
The Omega Speedmaster Dark Side of the Moon is more accessible, priced at $12,800 compared to ~$32,000 (market value).
Which watch is a better investment?
Based on current market data, the Rolex GMT-Master has a higher flip potential score of 6/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex GMT-Master currently trades at 0.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Speedmaster Dark Side of the Moon and Rolex GMT-Master compare in size?
The Omega Speedmaster Dark Side of the Moon measures 44.25mm in diameter and 13.78mm thick, while the Rolex GMT-Master is 40mm by 12.0mm. Water resistance differs too: 50m / 167ft versus 50m / 165ft.
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 GMT-Master runs on the Rolex calibre 1575 offering 48 hours of power reserve.
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