Omega Seamaster Aqua Terra 150M vs Rolex Datejust 31
Ref. 220.10.41.21.02.001 vs Ref. M278274-0018
The Omega Seamaster Aqua Terra 150M (dive watch) and Rolex Datejust 31 (dress watch) represent different approaches to luxury watchmaking. While the Omega Seamaster Aqua Terra 150M is priced at $5,700 and the Rolex Datejust 31 at $10,750, both offer compelling value propositions. This comparison examines their specifications, market positioning, and investment potential side by side.
Price Comparison
Omega
Seamaster Aqua Terra 150M
Rolex
Datejust 31
At retail, the Omega Seamaster Aqua Terra 150M is listed at $5,700 while the Rolex Datejust 31 comes in at $10,750. At $5,050 less (89% savings), the Omega Seamaster Aqua Terra 150M offers a substantially lower entry point. On the secondary market, the gap widens: the Omega Seamaster Aqua Terra 150M trades around $4,560 and the Rolex Datejust 31 around $10,000, a difference of $5,440 favoring the Omega Seamaster Aqua Terra 150M. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Rolex Datejust 31 commands an even stronger market premium of -7.0%, holding steady. For investors, the Rolex Datejust 31 edges ahead with a flip potential score of 3/10 compared to 2/10.
Specifications
| Specification | Omega Seamaster Aqua Terra 150M | Rolex Datejust 31 |
|---|---|---|
| Case Diameter | 41mm | 31mm |
| Case Thickness | 13.2mm | 11.3mm |
| Case Material | Stainless steel | Oystersteel and 18ct white gold |
| Bezel | Stainless steel bezel | 18ct white gold, fluted |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire with Cyclops lens |
| Water Resistance | 150m / 500ft | 100m / 330ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8900 | Rolex calibre 2236 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 55 hours |
| Bracelet/Strap | Stainless steel bracelet | Jubilee, five-piece links |
| Clasp | Folding clasp | Oysterclasp with Easylink 5mm comfort extension |
| Lug Width | 20mm | 16mm |
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 uses Stainless steel while the Rolex Datejust 31 opts for Oystersteel and 18ct white 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 Seamaster Aqua Terra 150M costs $111 versus $323 for the Rolex Datejust 31. For water resistance, the Omega Seamaster Aqua Terra 150M delivers better value per meter of depth rating. The Omega Seamaster Aqua Terra 150M offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Seamaster Aqua Terra 150M if you value a lower entry price, serious diving capabilities. Go with the Rolex Datejust 31 if you prioritize stronger flip potential, better value retention. For pure investment potential, the Rolex Datejust 31 has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster Aqua Terra 150M or the Rolex Datejust 31?
The Omega Seamaster Aqua Terra 150M is more accessible, priced at $5,700 compared to $10,750.
Which watch is a better investment?
Based on current market data, the Rolex Datejust 31 has a higher flip potential score of 3/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex Datejust 31 currently trades at 7.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Seamaster Aqua Terra 150M and Rolex Datejust 31 compare in size?
The Omega Seamaster Aqua Terra 150M measures 41mm in diameter and 13.2mm thick, while the Rolex Datejust 31 is 31mm by 11.3mm. 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 Rolex Datejust 31 runs on the Rolex calibre 2236 offering 55 hours of power reserve.