Omega De Ville Tresor vs Tudor Black Bay GMT S&G
Ref. 435.13.40.21.03.001 vs Ref. M79833MN-0001
The Omega De Ville Tresor (dress watch) and Tudor Black Bay GMT S&G (gmt / travel watch) represent different approaches to luxury watchmaking. While the Omega De Ville Tresor is priced at $6,500 and the Tudor Black Bay GMT S&G at $5,825, both offer compelling value propositions. This comparison examines their specifications, market positioning, and investment potential side by side.
Price Comparison
Omega
De Ville Tresor
Tudor
Black Bay GMT S&G
At retail, the Omega De Ville Tresor is listed at $6,500 while the Tudor Black Bay GMT S&G comes in at $5,825. The Tudor Black Bay GMT S&G saves you $675 (12% less), a meaningful difference for most buyers. On the secondary market, the gap narrows: the Omega De Ville Tresor trades around $4,875 and the Tudor Black Bay GMT S&G around $5,243, a difference of $368 favoring the Omega De Ville Tresor. Available at 25% 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 De Ville Tresor | Tudor Black Bay GMT S&G |
|---|---|---|
| Case Diameter | 40mm | 41mm |
| Case Thickness | 10.1mm | 14.8mm |
| Case Material | Stainless steel | Stainless steel and yellow gold |
| Bezel | Stainless steel bezel | Bidirectional rotating bezel with anodized aluminium insert in brown and black |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 30m / 100ft | 200m / 660ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8929 | Tudor Calibre MT5652 |
| Movement Type | Manual-winding | Automatic |
| Power Reserve | 72 hours | 70 hours |
| Bracelet/Strap | Blue leather strap | Stainless steel and yellow gold with riveted-style links |
| Clasp | Steel buckle | Folding clasp with safety catch |
| Lug Width | 20mm | 22mm |
Key specification differences stand out between these two: The Tudor Black Bay GMT S&G leads in water resistance (200m / 660ft vs. 30m / 100ft), and the Omega De Ville Tresor offers longer power reserve at 72 hours, and the Omega De Ville Tresor uses Stainless steel while the Tudor Black Bay GMT 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 De Ville Tresor costs $122 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 Omega De Ville Tresor offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega De Ville Tresor 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 De Ville Tresor or the Tudor Black Bay GMT S&G?
The Tudor Black Bay GMT S&G is more accessible, priced at $5,825 compared to $6,500.
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 De Ville Tresor and Tudor Black Bay GMT S&G compare in size?
The Omega De Ville Tresor measures 40mm in diameter and 10.1mm thick, while the Tudor Black Bay GMT S&G is 41mm by 14.8mm. Water resistance differs too: 30m / 100ft versus 200m / 660ft.
What movements do these watches use?
The Omega De Ville Tresor uses the Omega Co-Axial Master Chronometer calibre 8929 with 72 hours power reserve, while the Tudor Black Bay GMT S&G runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.

