Omega De Ville Tresor vs Omega Seamaster Diver 300M
Ref. 435.13.40.21.02.001 vs Ref. 210.22.42.20.01.001
The Omega De Ville Tresor and Omega Seamaster Diver 300M both carry the Omega name but serve different purposes — the Omega De Ville Tresor as a dress watch and the Omega Seamaster Diver 300M as a dive watch. At $6,500 and $8,700 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Omega
De Ville Tresor
Omega
Seamaster Diver 300M
At retail, the Omega De Ville Tresor is listed at $6,500 while the Omega Seamaster Diver 300M comes in at $8,700. The Omega De Ville Tresor saves you $2,200 (34% 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 Omega Seamaster Diver 300M around $6,960, a difference of $2,085 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 Omega Seamaster Diver 300M commands an even stronger 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 De Ville Tresor | Omega Seamaster Diver 300M |
|---|---|---|
| Case Diameter | 40mm | 42mm |
| Case Thickness | 10.1mm | 13.56mm |
| Case Material | Stainless steel | Stainless steel and 18K Sedna gold |
| Bezel | Stainless steel bezel | Black ceramic and Sedna gold unidirectional rotating bezel |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Domed sapphire crystal with anti-reflective treatment |
| Water Resistance | 30m / 100ft | 300m / 1000ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8929 | Omega Co-Axial Master Chronometer calibre 8800 |
| Movement Type | Manual-winding | Automatic |
| Power Reserve | 72 hours | 55 hours |
| Bracelet/Strap | Brown leather strap | Stainless steel and Sedna gold bracelet |
| Clasp | Steel buckle | Folding clasp with diver extension |
| Lug Width | 20mm | 20mm |
Key specification differences stand out between these two: The Omega Seamaster Diver 300M leads in water resistance (300m / 1000ft 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 Omega Seamaster Diver 300M opts for Stainless steel and 18K Sedna 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 De Ville Tresor costs $122 versus $166 for the Omega Seamaster Diver 300M. For water resistance, the Omega Seamaster Diver 300M 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 a lower entry price. Go with the Omega Seamaster Diver 300M if you prioritize better value retention, serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Omega De Ville Tresor or the Omega Seamaster Diver 300M?
The Omega De Ville Tresor is more accessible, priced at $6,500 compared to $8,700.
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 De Ville Tresor and Omega Seamaster Diver 300M compare in size?
The Omega De Ville Tresor measures 40mm in diameter and 10.1mm thick, while the Omega Seamaster Diver 300M is 42mm by 13.56mm. Water resistance differs too: 30m / 100ft versus 300m / 1000ft.
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 Omega Seamaster Diver 300M runs on the Omega Co-Axial Master Chronometer calibre 8800 offering 55 hours of power reserve.

