Omega Constellation
Ref. 131.20.41.21.01.001
Omega Seamaster Planet Ocean 600M GMT
Ref. 215.30.44.22.01.001
Omega Constellation vs Omega Seamaster Planet Ocean 600M GMT
Ref. 131.20.41.21.01.001 vs Ref. 215.30.44.22.01.001
The Omega Constellation and Omega Seamaster Planet Ocean 600M GMT both carry the Omega name but serve different purposes — the Omega Constellation as a dress watch and the Omega Seamaster Planet Ocean 600M GMT as a gmt / travel watch. At $10,500 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
Omega
Seamaster Planet Ocean 600M GMT
At retail, the Omega Constellation is listed at $10,500 while the Omega Seamaster Planet Ocean 600M GMT comes in at $8,050. The Omega Seamaster Planet Ocean 600M GMT saves you $2,450 (30% less), a meaningful difference for most buyers. On the secondary market, the gap narrows: the Omega Constellation trades around $8,400 and the Omega Seamaster Planet Ocean 600M GMT around $6,440, a difference of $1,960 favoring the Omega Seamaster Planet Ocean 600M GMT. 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 | Omega Seamaster Planet Ocean 600M GMT |
|---|---|---|
| Case Diameter | 41mm | 43.5mm |
| Case Thickness | 12.17mm | 14.71mm |
| Case Material | Stainless steel and 18K yellow gold | Stainless steel |
| Bezel | Yellow gold bezel with Roman numeral engravings | 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 | 50m / 167ft | 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 and yellow gold integrated bracelet | Stainless steel bracelet |
| Clasp | Folding clasp | Folding clasp with diver extension |
| Lug Width | Integrated bracelet | 21mm |
Key specification differences stand out between these two: The Omega Seamaster Planet Ocean 600M GMT leads in water resistance (600m / 2000ft vs. 50m / 167ft), and the Omega Constellation uses Stainless steel and 18K yellow gold while the Omega Seamaster Planet Ocean 600M GMT opts for Stainless steel. With 6 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 costs $205 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 Seamaster Planet Ocean 600M GMT offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Constellation if you value the Omega heritage. Go with the Omega Seamaster Planet Ocean 600M GMT if you prioritize a lower entry price.
Frequently Asked Questions
Which is more affordable, the Omega Constellation or the Omega Seamaster Planet Ocean 600M GMT?
The Omega Seamaster Planet Ocean 600M GMT is more accessible, priced at $8,050 compared to $10,500.
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 and Omega Seamaster Planet Ocean 600M GMT compare in size?
The Omega Constellation measures 41mm in diameter and 12.17mm thick, while the Omega Seamaster Planet Ocean 600M GMT is 43.5mm by 14.71mm. Water resistance differs too: 50m / 167ft versus 600m / 2000ft.
What movements do these watches use?
The Omega Constellation 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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