Omega Constellation Globemaster vs Tudor Glamour Date
Ref. 130.30.39.21.02.001 vs Ref. M56000-0005
Comparing the Tudor Glamour Date to the Omega Constellation Globemaster means weighing a significant price difference — is the premium justified? At $7,100 versus $2,800, 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 Globemaster
Tudor
Glamour Date
At retail, the Omega Constellation Globemaster is listed at $7,100 while the Tudor Glamour Date comes in at $2,800. The Tudor Glamour Date comes in at $4,300 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap narrows: the Omega Constellation Globemaster trades around $5,680 and the Tudor Glamour Date around $2,100, a difference of $3,580 favoring the Tudor Glamour Date. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Glamour Date shows a more modest market premium of -25.0%, 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 | Tudor Glamour Date |
|---|---|---|
| Case Diameter | 39mm | 36mm |
| Case Thickness | 12.41mm | 10.5mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Stainless steel fluted bezel | Stainless steel, polished |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 100m / 330ft | 100m / 330ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8900 | Tudor Calibre T600 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 38 hours |
| Bracelet/Strap | Stainless steel bracelet | Stainless steel bracelet |
| Clasp | Folding clasp | Folding clasp with safety catch |
| Lug Width | 19mm | 19mm |
Key specification differences stand out between these two: the Omega Constellation Globemaster offers longer power reserve at 55 hours. With 5 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 $58 for the Tudor Glamour Date. For water resistance, the Tudor Glamour Date delivers better value per meter of depth rating. The Tudor Glamour Date offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Constellation Globemaster if you value better value retention. Go with the Tudor Glamour Date if you prioritize a lower entry price.
Frequently Asked Questions
Which is more affordable, the Omega Constellation Globemaster or the Tudor Glamour Date?
The Tudor Glamour Date is more accessible, priced at $2,800 compared to $7,100.
Which holds its value better on the secondary market?
The Omega Constellation Globemaster currently trades at 20.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Constellation Globemaster and Tudor Glamour Date compare in size?
The Omega Constellation Globemaster measures 39mm in diameter and 12.41mm thick, while the Tudor Glamour Date is 36mm by 10.5mm.
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 Glamour Date runs on the Tudor Calibre T600 offering 38 hours of power reserve.

