Omega Speedmaster Moonwatch Professional vs Rolex GMT-Master
Ref. 310.20.42.50.99.001 vs Ref. 1675
Comparing the Rolex GMT-Master to the Omega Speedmaster Moonwatch Professional means weighing a significant price difference — is the premium justified? At $11,400 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 Moonwatch Professional
Rolex
GMT-Master
The Omega Speedmaster Moonwatch Professional is priced at $11,400 while the Rolex GMT-Master comes in at ~$32,000 (market value). On the secondary market, the gap widens: the Omega Speedmaster Moonwatch Professional trades around $9,690 and the Rolex GMT-Master around $32,000, a difference of $22,310 favoring the Omega Speedmaster Moonwatch Professional. Available at 15% 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 Moonwatch Professional | Rolex GMT-Master |
|---|---|---|
| Case Diameter | 42mm | 40mm |
| Case Thickness | 13.18mm | 12.0mm |
| Case Material | Stainless steel and Sedna gold | Stainless steel |
| Bezel | Sedna gold 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 | Stainless steel and Sedna gold bracelet | Oyster, folded or riveted links (varies by year) |
| Clasp | Adjustable clasp | Oyster folding clasp |
| Lug Width | 20mm | 20mm |
Key specification differences stand out between these two: the Omega Speedmaster Moonwatch Professional offers longer power reserve at 50 hours, and the Omega Speedmaster Moonwatch Professional uses Stainless steel and Sedna gold 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 Moonwatch Professional costs $231 versus $800 for the Rolex GMT-Master. For water resistance, the Omega Speedmaster Moonwatch Professional delivers better value per meter of depth rating. The Omega Speedmaster Moonwatch Professional offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Speedmaster Moonwatch Professional 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 Moonwatch Professional or the Rolex GMT-Master?
The Omega Speedmaster Moonwatch Professional is more accessible, priced at $11,400 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 Moonwatch Professional and Rolex GMT-Master compare in size?
The Omega Speedmaster Moonwatch Professional measures 42mm in diameter and 13.18mm 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 Moonwatch Professional 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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