Omega Speedmaster '57 vs Rolex Lady-Datejust
Ref. 332.12.41.51.01.001 vs Ref. M279135RBR-0010
Comparing the Omega Speedmaster '57 to the Rolex Lady-Datejust means weighing a significant price difference — is the premium justified? At $8,700 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
Speedmaster '57
Rolex
Lady-Datejust
At retail, the Omega Speedmaster '57 is listed at $8,700 while the Rolex Lady-Datejust comes in at $35,150. The Omega Speedmaster '57 comes in at $26,450 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap narrows: the Omega Speedmaster '57 trades around $7,395 and the Rolex Lady-Datejust around $33,393, a difference of $25,998 favoring the Omega Speedmaster '57. Available at 15% 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 Speedmaster '57 | Rolex Lady-Datejust |
|---|---|---|
| Case Diameter | 40.5mm | 28mm |
| Case Thickness | 12.99mm | 10.1mm |
| Case Material | Stainless steel | 18ct Everose gold |
| Bezel | Stainless steel bezel with tachymetre scale | 18ct Everose gold, set with diamonds |
| Crystal | Sapphire crystal front and caseback | Sapphire with Cyclops lens |
| Water Resistance | 50m / 167ft | 100m / 330ft |
| Movement | Omega Co-Axial Master Chronometer calibre 9906 | Rolex calibre 2236 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 60 hours | 55 hours |
| Bracelet/Strap | Brown leather strap | President, three-piece semi-circular links in 18ct Everose gold |
| Clasp | Steel buckle | Concealed folding Crownclasp |
| Lug Width | 21mm | 14mm |
Key specification differences stand out between these two: The Rolex Lady-Datejust leads in water resistance (100m / 330ft vs. 50m / 167ft), and the Omega Speedmaster '57 offers longer power reserve at 60 hours, and the Omega Speedmaster '57 uses Stainless steel while the Rolex Lady-Datejust opts for 18ct Everose 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 Speedmaster '57 costs $183 versus $1,193 for the Rolex Lady-Datejust. For water resistance, the Omega Speedmaster '57 delivers better value per meter of depth rating. The Omega Speedmaster '57 offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Speedmaster '57 if you value a lower entry price, timing functionality. 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 Speedmaster '57 or the Rolex Lady-Datejust?
The Omega Speedmaster '57 is more accessible, priced at $8,700 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 Speedmaster '57 and Rolex Lady-Datejust compare in size?
The Omega Speedmaster '57 measures 40.5mm in diameter and 12.99mm thick, while the Rolex Lady-Datejust is 28mm by 10.1mm. Water resistance differs too: 50m / 167ft versus 100m / 330ft.
What movements do these watches use?
The Omega Speedmaster '57 uses the Omega Co-Axial Master Chronometer calibre 9906 with 60 hours power reserve, while the Rolex Lady-Datejust runs on the Rolex calibre 2236 offering 55 hours of power reserve.