Omega Seamaster Aqua Terra 150M vs Rolex Lady-Datejust
Ref. 220.10.38.20.03.001 vs Ref. M279135RBR-0010
Comparing the Omega Seamaster Aqua Terra 150M to the Rolex Lady-Datejust means weighing a significant price difference — is the premium justified? At $5,500 versus $35,150, 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
Rolex
Lady-Datejust
At retail, the Omega Seamaster Aqua Terra 150M is listed at $5,500 while the Rolex Lady-Datejust comes in at $35,150. The Omega Seamaster Aqua Terra 150M comes in at $29,650 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 $4,400 and the Rolex Lady-Datejust around $33,393, a difference of $28,993 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 Lady-Datejust commands an even stronger market premium of -5.0%, holding steady. For investors, the Rolex Lady-Datejust edges ahead with a flip potential score of 4/10 compared to 2/10.
Specifications
| Specification | Omega Seamaster Aqua Terra 150M | Rolex Lady-Datejust |
|---|---|---|
| Case Diameter | 38mm | 28mm |
| Case Thickness | 12.73mm | 10.1mm |
| Case Material | Stainless steel | 18ct Everose gold |
| Bezel | Stainless steel bezel | 18ct Everose gold, set with diamonds |
| 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 8800 | Rolex calibre 2236 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 55 hours |
| Bracelet/Strap | Stainless steel bracelet | President, three-piece semi-circular links in 18ct Everose gold |
| Clasp | Folding clasp | Concealed folding Crownclasp |
| Lug Width | 19mm | 14mm |
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 Lady-Datejust opts for 18ct Everose 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 $116 versus $1,193 for the Rolex Lady-Datejust. 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 Lady-Datejust if you prioritize stronger flip potential, better value retention. For pure investment potential, the Rolex Lady-Datejust has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster Aqua Terra 150M or the Rolex Lady-Datejust?
The Omega Seamaster Aqua Terra 150M is more accessible, priced at $5,500 compared to $35,150.
Which watch is a better investment?
Based on current market data, the Rolex Lady-Datejust has a higher flip potential score of 4/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex Lady-Datejust currently trades at 5.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Seamaster Aqua Terra 150M and Rolex Lady-Datejust compare in size?
The Omega Seamaster Aqua Terra 150M measures 38mm in diameter and 12.73mm thick, while the Rolex Lady-Datejust is 28mm by 10.1mm. 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 8800 with 55 hours power reserve, while the Rolex Lady-Datejust runs on the Rolex calibre 2236 offering 55 hours of power reserve.