Omega Speedmaster Moonwatch Professional
Ref. 310.63.42.50.01.001
Rolex GMT-Master II
Ref. M126711CHNR-0002
Omega Speedmaster Moonwatch Professional vs Rolex GMT-Master II
Ref. 310.63.42.50.01.001 vs Ref. M126711CHNR-0002
The Omega Speedmaster Moonwatch Professional (chronograph) and Rolex GMT-Master II (gmt / travel watch) represent different approaches to luxury watchmaking. While the Omega Speedmaster Moonwatch Professional is priced at $29,600 and the Rolex GMT-Master II at $18,800, both offer compelling value propositions. This comparison examines their specifications, market positioning, and investment potential side by side.
Price Comparison
Omega
Speedmaster Moonwatch Professional
Rolex
GMT-Master II
At retail, the Omega Speedmaster Moonwatch Professional is listed at $29,600 while the Rolex GMT-Master II comes in at $18,800. At $10,800 less (57% savings), the Rolex GMT-Master II offers a substantially lower entry point. On the secondary market, the gap narrows: the Omega Speedmaster Moonwatch Professional trades around $25,160 and the Rolex GMT-Master II around $28,200, a difference of $3,040 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 II commands an even stronger market premium of +50.0%, with upward momentum. For investors, the Rolex GMT-Master II edges ahead with a flip potential score of 8/10 compared to 2/10.
Specifications
| Specification | Omega Speedmaster Moonwatch Professional | Rolex GMT-Master II |
|---|---|---|
| Case Diameter | 42mm | 40mm |
| Case Thickness | 13.18mm | 13.1mm |
| Case Material | 18K Sedna gold | Oystersteel and 18ct Everose gold |
| Bezel | Sedna gold bezel ring with tachymetre scale | Cerachrom (ceramic) in brown and black |
| 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 3285 |
| Movement Type | Manual-winding | Automatic |
| Power Reserve | 50 hours | 70 hours |
| Bracelet/Strap | Brown leather strap | Jubilee, five-piece links in Oystersteel and 18ct Everose gold |
| Clasp | Sedna gold buckle | Oysterclasp with Easylink 5mm comfort extension |
| Lug Width | 20mm | 20mm |
Key specification differences stand out between these two: The Rolex GMT-Master II leads in water resistance (100m / 330ft vs. 50m / 167ft), and the Rolex GMT-Master II offers longer power reserve at 70 hours, and the Omega Speedmaster Moonwatch Professional uses 18K Sedna gold while the Rolex GMT-Master II opts for Oystersteel and 18ct Everose 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 Moonwatch Professional costs $599 versus $705 for the Rolex GMT-Master II. For water resistance, the Rolex GMT-Master II delivers better value per meter of depth rating. The Rolex GMT-Master II 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 II if you prioritize a lower entry price, stronger flip potential, better value retention. For pure investment potential, the Rolex GMT-Master II 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 II?
The Rolex GMT-Master II is more accessible, priced at $18,800 compared to $29,600.
Which watch is a better investment?
Based on current market data, the Rolex GMT-Master II 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 GMT-Master II currently trades at 50.0% above retail, indicating strong value retention on the pre-owned market.
How do the Omega Speedmaster Moonwatch Professional and Rolex GMT-Master II compare in size?
The Omega Speedmaster Moonwatch Professional measures 42mm in diameter and 13.18mm thick, while the Rolex GMT-Master II is 40mm by 13.1mm. Water resistance differs too: 50m / 167ft versus 100m / 330ft.
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 II runs on the Rolex calibre 3285 offering 70 hours of power reserve.
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