Omega Constellation Globemaster vs Rolex GMT-Master II
Ref. 130.30.39.21.02.001 vs Ref. M126718GRNR-0001
Comparing the Omega Constellation Globemaster to the Rolex GMT-Master II means weighing a significant price difference — is the premium justified? At $7,100 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
Constellation Globemaster
Rolex
GMT-Master II
At retail, the Omega Constellation Globemaster is listed at $7,100 while the Rolex GMT-Master II comes in at $44,750. The Omega Constellation Globemaster comes in at $37,650 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap widens: the Omega Constellation Globemaster trades around $5,680 and the Rolex GMT-Master II around $67,125, a difference of $61,445 favoring the Omega Constellation Globemaster. Available at 20% 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 Constellation Globemaster | Rolex GMT-Master II |
|---|---|---|
| Case Diameter | 39mm | 40mm |
| Case Thickness | 12.41mm | 13.1mm |
| Case Material | Stainless steel | 18ct yellow gold |
| Bezel | Stainless steel fluted bezel | Cerachrom (ceramic) in green and black |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire with Cyclops lens |
| Water Resistance | 100m / 330ft | 100m / 330ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8900 | Rolex calibre 3285 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | Stainless steel bracelet | Jubilee, five-piece links in 18ct yellow gold |
| Clasp | Folding clasp | Oysterclasp with Easylink 5mm comfort extension |
| Lug Width | 19mm | 20mm |
Key specification differences stand out between these two: the Rolex GMT-Master II offers longer power reserve at 70 hours, and the Omega Constellation Globemaster uses Stainless steel while the Rolex GMT-Master II opts for 18ct yellow gold. With 7 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 Constellation Globemaster costs $146 versus $1,678 for the Rolex GMT-Master II. For water resistance, the Omega Constellation Globemaster delivers better value per meter of depth rating. The Omega Constellation Globemaster offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Constellation Globemaster if you value a lower entry price. 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 Constellation Globemaster or the Rolex GMT-Master II?
The Omega Constellation Globemaster is more accessible, priced at $7,100 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 Constellation Globemaster and Rolex GMT-Master II compare in size?
The Omega Constellation Globemaster measures 39mm in diameter and 12.41mm thick, while the Rolex GMT-Master II is 40mm by 13.1mm.
What movements do these watches use?
The Omega Constellation Globemaster uses the Omega Co-Axial Master Chronometer calibre 8900 with 55 hours power reserve, while the Rolex GMT-Master II runs on the Rolex calibre 3285 offering 70 hours of power reserve.