Omega Constellation Globemaster
Ref. 130.30.39.21.02.001
Omega Seamaster Diver 300M
Ref. 210.30.42.20.10.001
Omega Constellation Globemaster vs Omega Seamaster Diver 300M
Ref. 130.30.39.21.02.001 vs Ref. 210.30.42.20.10.001
The Omega Constellation Globemaster and Omega Seamaster Diver 300M both carry the Omega name but serve different purposes — the Omega Constellation Globemaster as a dress watch and the Omega Seamaster Diver 300M as a dive watch. At $7,100 and $5,700 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 Diver 300M
At retail, the Omega Constellation Globemaster is listed at $7,100 while the Omega Seamaster Diver 300M comes in at $5,700. The Omega Seamaster Diver 300M saves you $1,400 (25% 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 Diver 300M around $4,560, a difference of $1,120 favoring the Omega Seamaster Diver 300M. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Omega Seamaster Diver 300M 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 Diver 300M |
|---|---|---|
| Case Diameter | 39mm | 42mm |
| Case Thickness | 12.41mm | 13.56mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Stainless steel fluted bezel | Green ceramic unidirectional rotating bezel with diving scale |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Domed sapphire crystal with anti-reflective treatment |
| Water Resistance | 100m / 330ft | 300m / 1000ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8900 | Omega Co-Axial Master Chronometer calibre 8800 |
| 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 | 20mm |
Key specification differences stand out between these two: The Omega Seamaster Diver 300M leads in water resistance (300m / 1000ft 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 $109 for the Omega Seamaster Diver 300M. For water resistance, the Omega Seamaster Diver 300M delivers better value per meter of depth rating. The Omega Seamaster Diver 300M offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Constellation Globemaster if you value the Omega heritage. Go with the Omega Seamaster Diver 300M if you prioritize a lower entry price, serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Omega Constellation Globemaster or the Omega Seamaster Diver 300M?
The Omega Seamaster Diver 300M is more accessible, priced at $5,700 compared to $7,100.
Which holds its value better on the secondary market?
The Omega Seamaster Diver 300M 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 Diver 300M compare in size?
The Omega Constellation Globemaster measures 39mm in diameter and 12.41mm thick, while the Omega Seamaster Diver 300M is 42mm by 13.56mm. Water resistance differs too: 100m / 330ft versus 300m / 1000ft.
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 Diver 300M runs on the Omega Co-Axial Master Chronometer calibre 8800 offering 55 hours of power reserve.
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