Omega Constellation vs Tudor Black Bay GMT S&G
Ref. 131.23.41.21.03.001 vs Ref. M79833MN-0003
Comparing the Tudor Black Bay GMT S&G to the Omega Constellation means weighing a significant price difference — is the premium justified? At $11,800 versus $5,825, 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
Tudor
Black Bay GMT S&G
At retail, the Omega Constellation is listed at $11,800 while the Tudor Black Bay GMT S&G comes in at $5,825. The Tudor Black Bay GMT S&G comes in at $5,975 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap narrows: the Omega Constellation trades around $9,440 and the Tudor Black Bay GMT S&G around $5,243, a difference of $4,197 favoring the Tudor Black Bay GMT 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 GMT 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 | Tudor Black Bay GMT S&G |
|---|---|---|
| Case Diameter | 41mm | 41mm |
| Case Thickness | 12.17mm | 14.8mm |
| Case Material | Stainless steel and 18K Sedna gold | Stainless steel and yellow gold |
| Bezel | Sedna gold bezel with Roman numeral engravings | Bidirectional rotating bezel with anodized aluminium insert in brown and black |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 50m / 167ft | 200m / 660ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8900 | Tudor Calibre MT5652 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | Stainless steel and Sedna gold integrated bracelet | Stainless steel and yellow gold with riveted-style links |
| Clasp | Folding clasp | Folding clasp with safety catch |
| Lug Width | Integrated bracelet | 22mm |
Key specification differences stand out between these two: The Tudor Black Bay GMT S&G leads in water resistance (200m / 660ft vs. 50m / 167ft), and the Tudor Black Bay GMT S&G offers longer power reserve at 70 hours, and the Omega Constellation uses Stainless steel and 18K Sedna gold while the Tudor Black Bay GMT S&G opts for Stainless steel and 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 costs $230 versus $128 for the Tudor Black Bay GMT S&G. For water resistance, the Tudor Black Bay GMT S&G delivers better value per meter of depth rating. The Tudor Black Bay GMT S&G offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Constellation if you value the Omega heritage. Go with the Tudor Black Bay GMT S&G if you prioritize a lower entry price, better value retention.
Frequently Asked Questions
Which is more affordable, the Omega Constellation or the Tudor Black Bay GMT S&G?
The Tudor Black Bay GMT S&G is more accessible, priced at $5,825 compared to $11,800.
Which holds its value better on the secondary market?
The Tudor Black Bay GMT S&G currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Constellation and Tudor Black Bay GMT S&G compare in size?
The Omega Constellation measures 41mm in diameter and 12.17mm thick, while the Tudor Black Bay GMT S&G is 41mm by 14.8mm. Water resistance differs too: 50m / 167ft versus 200m / 660ft.
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 Tudor Black Bay GMT S&G runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.