Omega Speedmaster Moonwatch Professional
Ref. 310.32.42.50.04.001
Rolex GMT-Master II
Ref. M126718GRNR-0001
Omega Speedmaster Moonwatch Professional vs Rolex GMT-Master II
Ref. 310.32.42.50.04.001 vs Ref. M126718GRNR-0001
Comparing the Omega Speedmaster Moonwatch Professional to the Rolex GMT-Master II means weighing a significant price difference — is the premium justified? At $6,600 versus $44,750, 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 II
At retail, the Omega Speedmaster Moonwatch Professional is listed at $6,600 while the Rolex GMT-Master II comes in at $44,750. The Omega Speedmaster Moonwatch Professional comes in at $38,150 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap widens: the Omega Speedmaster Moonwatch Professional trades around $5,610 and the Rolex GMT-Master II around $67,125, a difference of $61,515 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 | Stainless steel | 18ct yellow gold |
| Bezel | Anodized aluminium bezel ring with tachymetre scale | Cerachrom (ceramic) in green and black |
| Crystal | Hesalite crystal | 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 | Green NATO strap | Jubilee, five-piece links in 18ct yellow gold |
| Clasp | Steel 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 Stainless steel while the Rolex GMT-Master II opts for 18ct yellow 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 $134 versus $1,678 for the Rolex GMT-Master II. 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 a lower entry price, timing functionality. Go with the Rolex GMT-Master II if you prioritize 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 Omega Speedmaster Moonwatch Professional is more accessible, priced at $6,600 compared to $44,750.
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.
Related Comparisons
Omega Speedmaster Moonwatch Professional
vs Rolex Cosmograph Daytona
Omega Speedmaster Moonwatch Professional
vs Rolex Cosmograph Daytona
Omega Speedmaster Moonwatch Professional
vs Rolex Cosmograph Daytona
Rolex GMT-Master II
vs Tudor Black Bay GMT
Rolex GMT-Master II
vs Tudor Black Bay Pro
Rolex GMT-Master II
vs Tudor Black Bay Pro