Omega Seamaster Aqua Terra 150M vs Tudor 1926
Ref. 220.10.41.21.03.004 vs Ref. M91550-0003
Comparing the Tudor 1926 to the Omega Seamaster Aqua Terra 150M means weighing a significant price difference — is the premium justified? At $5,700 versus $2,325, 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
Seamaster Aqua Terra 150M
Tudor
1926
At retail, the Omega Seamaster Aqua Terra 150M is listed at $5,700 while the Tudor 1926 comes in at $2,325. The Tudor 1926 comes in at $3,375 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap narrows: the Omega Seamaster Aqua Terra 150M trades around $4,200 and the Tudor 1926 around $1,860, a difference of $2,340 favoring the Tudor 1926. Available at 26% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor 1926 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 Seamaster Aqua Terra 150M | Tudor 1926 |
|---|---|---|
| Case Diameter | 41mm | 39mm |
| Case Thickness | 13.2mm | 10mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Stainless steel bezel | Stainless steel, polished with ridge detail |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 150m / 500ft | 100m / 330ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8900 | Tudor Calibre T601 |
| 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 | 20mm | 20mm |
Key specification differences stand out between these two: The Omega Seamaster Aqua Terra 150M leads in water resistance (150m / 500ft vs. 100m / 330ft), and the Omega Seamaster Aqua Terra 150M offers longer power reserve at 55 hours. With 6 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 Seamaster Aqua Terra 150M costs $102 versus $48 for the Tudor 1926. For water resistance, the Tudor 1926 delivers better value per meter of depth rating. The Tudor 1926 offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Seamaster Aqua Terra 150M if you value serious diving capabilities. Go with the Tudor 1926 if you prioritize a lower entry price, better value retention.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster Aqua Terra 150M or the Tudor 1926?
The Tudor 1926 is more accessible, priced at $2,325 compared to $5,700.
Which holds its value better on the secondary market?
The Tudor 1926 currently trades at 20.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Seamaster Aqua Terra 150M and Tudor 1926 compare in size?
The Omega Seamaster Aqua Terra 150M measures 41mm in diameter and 13.2mm thick, while the Tudor 1926 is 39mm by 10mm. Water resistance differs too: 150m / 500ft versus 100m / 330ft.
What movements do these watches use?
The Omega Seamaster Aqua Terra 150M uses the Omega Co-Axial Master Chronometer calibre 8900 with 55 hours power reserve, while the Tudor 1926 runs on the Tudor Calibre T601 offering 38 hours of power reserve.

