Omega Constellation Globemaster vs Tudor Black Bay S&G
Ref. 130.30.39.21.02.001 vs Ref. M79733N-0007
The Omega Constellation Globemaster (dress watch) and Tudor Black Bay S&G (dive watch) represent different approaches to luxury watchmaking. While the Omega Constellation Globemaster is priced at $7,100 and the Tudor Black Bay S&G at $5,475, both offer compelling value propositions. This comparison examines their specifications, market positioning, and investment potential side by side.
Price Comparison
Omega
Constellation Globemaster
Tudor
Black Bay S&G
At retail, the Omega Constellation Globemaster is listed at $7,100 while the Tudor Black Bay S&G comes in at $5,475. The Tudor Black Bay S&G saves you $1,625 (30% less), a meaningful difference for most buyers. On the secondary market, the gap narrows: the Omega Constellation Globemaster trades around $5,680 and the Tudor Black Bay S&G around $4,928, a difference of $752 favoring the Tudor Black Bay S&G. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Black Bay S&G commands an even stronger market premium of -10.0%, holding steady. Both watches score equally on flip potential at 2/10, making neither a clear investment winner over the other.
Specifications
| Specification | Omega Constellation Globemaster | Tudor Black Bay S&G |
|---|---|---|
| Case Diameter | 39mm | 41mm |
| Case Thickness | 12.41mm | 12.7mm |
| Case Material | Stainless steel | Stainless steel and yellow gold |
| Bezel | Stainless steel fluted bezel | Unidirectional rotating bezel with anodized aluminium insert in black |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Domed sapphire crystal |
| Water Resistance | 100m / 330ft | 200m / 660ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8900 | Tudor Calibre MT5612 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | Stainless steel bracelet | Stainless steel and yellow gold with riveted-style links |
| Clasp | Folding clasp | Folding clasp with safety catch |
| Lug Width | 19mm | 22mm |
Key specification differences stand out between these two: The Tudor Black Bay S&G leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Tudor Black Bay S&G offers longer power reserve at 70 hours, and the Omega Constellation Globemaster uses Stainless steel while the Tudor Black Bay S&G opts for Stainless steel and 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 Constellation Globemaster costs $146 versus $120 for the Tudor Black Bay S&G. For water resistance, the Tudor Black Bay S&G delivers better value per meter of depth rating. The Tudor Black Bay S&G 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 Tudor Black Bay S&G if you prioritize a lower entry price, better value retention, serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Omega Constellation Globemaster or the Tudor Black Bay S&G?
The Tudor Black Bay S&G is more accessible, priced at $5,475 compared to $7,100.
Which holds its value better on the secondary market?
The Tudor Black Bay S&G currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Constellation Globemaster and Tudor Black Bay S&G compare in size?
The Omega Constellation Globemaster measures 39mm in diameter and 12.41mm thick, while the Tudor Black Bay S&G is 41mm by 12.7mm. Water resistance differs too: 100m / 330ft versus 200m / 660ft.
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 Tudor Black Bay S&G runs on the Tudor Calibre MT5612 offering 70 hours of power reserve.