Omega Constellation Globemaster
Ref. 130.30.39.21.02.001
Omega Seamaster Planet Ocean 600M GMT
Ref. 215.30.44.22.01.001
Omega Constellation Globemaster vs Omega Seamaster Planet Ocean 600M GMT
Ref. 130.30.39.21.02.001 vs Ref. 215.30.44.22.01.001
The Omega Constellation Globemaster and Omega Seamaster Planet Ocean 600M GMT both carry the Omega name but serve different purposes — the Omega Constellation Globemaster as a dress watch and the Omega Seamaster Planet Ocean 600M GMT as a gmt / travel watch. At $7,100 and $8,050 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Omega
Constellation Globemaster
Omega
Seamaster Planet Ocean 600M GMT
At retail, the Omega Constellation Globemaster is listed at $7,100 while the Omega Seamaster Planet Ocean 600M GMT comes in at $8,050. The Omega Constellation Globemaster saves you $950 (13% less), a meaningful difference for most buyers. On the secondary market, the gap narrows: the Omega Constellation Globemaster trades around $5,680 and the Omega Seamaster Planet Ocean 600M GMT around $6,440, a difference of $760 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 Omega Seamaster Planet Ocean 600M GMT shows a more modest market premium of -20.0%, though currently trending downward. Both watches score equally on flip potential at 2/10, making neither a clear investment winner over the other.
Specifications
| Specification | Omega Constellation Globemaster | Omega Seamaster Planet Ocean 600M GMT |
|---|---|---|
| Case Diameter | 39mm | 43.5mm |
| Case Thickness | 12.41mm | 14.71mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Stainless steel fluted bezel | Black ceramic bidirectional rotating bezel with 24-hour scale |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Domed sapphire crystal with anti-reflective treatment |
| Water Resistance | 100m / 330ft | 600m / 2000ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8900 | Omega Co-Axial Master Chronometer calibre 8906 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 55 hours |
| Bracelet/Strap | Stainless steel bracelet | Stainless steel bracelet |
| Clasp | Folding clasp | Folding clasp with diver extension |
| Lug Width | 19mm | 21mm |
Key specification differences stand out between these two: The Omega Seamaster Planet Ocean 600M GMT leads in water resistance (600m / 2000ft vs. 100m / 330ft). With 4 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 $148 for the Omega Seamaster Planet Ocean 600M GMT. For water resistance, the Omega Seamaster Planet Ocean 600M GMT 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 Omega Seamaster Planet Ocean 600M GMT if you prioritize the Omega heritage.
Frequently Asked Questions
Which is more affordable, the Omega Constellation Globemaster or the Omega Seamaster Planet Ocean 600M GMT?
The Omega Constellation Globemaster is more accessible, priced at $7,100 compared to $8,050.
Which holds its value better on the secondary market?
The Omega Seamaster Planet Ocean 600M GMT currently trades at 20.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Constellation Globemaster and Omega Seamaster Planet Ocean 600M GMT compare in size?
The Omega Constellation Globemaster measures 39mm in diameter and 12.41mm thick, while the Omega Seamaster Planet Ocean 600M GMT is 43.5mm by 14.71mm. Water resistance differs too: 100m / 330ft versus 600m / 2000ft.
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 Omega Seamaster Planet Ocean 600M GMT runs on the Omega Co-Axial Master Chronometer calibre 8906 offering 55 hours of power reserve.
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