Rolex Lady-Datejust vs Rolex Yacht-Master 42
Ref. M279135RBR-0010 vs Ref. M136668LB-0001
The Rolex Lady-Datejust and Rolex Yacht-Master 42 both carry the Rolex name but serve different purposes — the Rolex Lady-Datejust as a dress watch and the Rolex Yacht-Master 42 as a sport watch. At $35,150 and $36,500 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Rolex
Lady-Datejust
Rolex
Yacht-Master 42
At retail, the Rolex Lady-Datejust is listed at $35,150 while the Rolex Yacht-Master 42 comes in at $36,500. The Rolex Lady-Datejust saves you $1,350 (4% less), a meaningful difference for most buyers. On the secondary market, the gap widens: the Rolex Lady-Datejust trades around $33,393 and the Rolex Yacht-Master 42 around $38,325, a difference of $4,932 favoring the Rolex Lady-Datejust. Currently holding steady at just 5% below retail, this watch retains most of its value on the secondary market. The Rolex Yacht-Master 42 commands an even stronger market premium of +5.0%, holding steady. For investors, the Rolex Yacht-Master 42 edges ahead with a flip potential score of 5/10 compared to 4/10.
Specifications
| Specification | Rolex Lady-Datejust | Rolex Yacht-Master 42 |
|---|---|---|
| Case Diameter | 28mm | 42mm |
| Case Thickness | 10.1mm | 12.1mm |
| Case Material | 18ct Everose gold | 18ct yellow gold |
| Bezel | 18ct Everose gold, set with diamonds | Cerachrom (ceramic) in blue, bidirectional rotatable |
| Crystal | Sapphire with Cyclops lens | Sapphire with Cyclops lens |
| Water Resistance | 100m / 330ft | 100m / 330ft |
| Movement | Rolex calibre 2236 | Rolex calibre 3235 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | President, three-piece semi-circular links in 18ct Everose gold | Oysterflex (elastomer with metal blade) |
| Clasp | Concealed folding Crownclasp | Oysterlock safety clasp |
| Lug Width | 14mm | 21mm |
Key specification differences stand out between these two: the Rolex Yacht-Master 42 offers longer power reserve at 70 hours, and the Rolex Lady-Datejust uses 18ct Everose gold while the Rolex Yacht-Master 42 opts for 18ct yellow gold. 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 Rolex Lady-Datejust costs $1,193 versus $913 for the Rolex Yacht-Master 42. For water resistance, the Rolex Lady-Datejust delivers better value per meter of depth rating. The Rolex Yacht-Master 42 offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex Lady-Datejust if you value a lower entry price. Go with the Rolex Yacht-Master 42 if you prioritize stronger flip potential, better value retention. For pure investment potential, the Rolex Yacht-Master 42 has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Rolex Lady-Datejust or the Rolex Yacht-Master 42?
The Rolex Lady-Datejust is more accessible, priced at $35,150 compared to $36,500.
Which watch is a better investment?
Based on current market data, the Rolex Yacht-Master 42 has a higher flip potential score of 5/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex Yacht-Master 42 currently trades at 5.0% above retail, indicating strong value retention on the pre-owned market.
How do the Rolex Lady-Datejust and Rolex Yacht-Master 42 compare in size?
The Rolex Lady-Datejust measures 28mm in diameter and 10.1mm thick, while the Rolex Yacht-Master 42 is 42mm by 12.1mm.
What movements do these watches use?
The Rolex Lady-Datejust uses the Rolex calibre 2236 with 55 hours power reserve, while the Rolex Yacht-Master 42 runs on the Rolex calibre 3235 offering 70 hours of power reserve.