Rolex Cosmograph Daytona vs Rolex Yacht-Master 42
Ref. M126505-0001 vs Ref. M136668LB-0001
The Rolex Cosmograph Daytona and Rolex Yacht-Master 42 both carry the Rolex name but serve different purposes — the Rolex Cosmograph Daytona as a chronograph and the Rolex Yacht-Master 42 as a sport watch. At $39,800 and $36,500 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Rolex
Cosmograph Daytona
Rolex
Yacht-Master 42
At retail, the Rolex Cosmograph Daytona is listed at $39,800 while the Rolex Yacht-Master 42 comes in at $36,500. The Rolex Yacht-Master 42 saves you $3,300 (9% less), a meaningful difference for most buyers. On the secondary market, the gap widens: the Rolex Cosmograph Daytona trades around $42,000 and the Rolex Yacht-Master 42 around $38,325, a difference of $3,675 favoring the Rolex Yacht-Master 42. Trading at 6% above retail and holding steady, this model holds its value well on the pre-owned market. The Rolex Yacht-Master 42 also shows a healthy market premium of +5.0%, holding steady. Both watches score equally on flip potential at 5/10, making neither a clear investment winner over the other.
Specifications
| Specification | Rolex Cosmograph Daytona | Rolex Yacht-Master 42 |
|---|---|---|
| Case Diameter | 40mm | 42mm |
| Case Thickness | 12.2mm | 12.1mm |
| Case Material | 18ct Everose gold | 18ct yellow gold |
| Bezel | Cerachrom (ceramic) in black with tachymetric scale | Cerachrom (ceramic) in blue, bidirectional rotatable |
| Crystal | Sapphire | Sapphire with Cyclops lens |
| Water Resistance | 100m / 330ft | 100m / 330ft |
| Movement | Rolex calibre 4131 | Rolex calibre 3235 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 72 hours | 70 hours |
| Bracelet/Strap | Oyster, three-piece solid links in 18ct Everose gold | Oysterflex (elastomer with metal blade) |
| Clasp | Oysterlock safety clasp with Easylink 5mm comfort extension | Oysterlock safety clasp |
| Lug Width | 20mm | 21mm |
Key specification differences stand out between these two: the Rolex Cosmograph Daytona offers longer power reserve at 72 hours, and the Rolex Cosmograph Daytona uses 18ct Everose gold while the Rolex Yacht-Master 42 opts for 18ct yellow 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 Rolex Cosmograph Daytona costs $1,050 versus $913 for the Rolex Yacht-Master 42. For water resistance, the Rolex Yacht-Master 42 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 Cosmograph Daytona if you value better value retention, timing functionality. Go with the Rolex Yacht-Master 42 if you prioritize a lower entry price.
Frequently Asked Questions
Which is more affordable, the Rolex Cosmograph Daytona or the Rolex Yacht-Master 42?
The Rolex Yacht-Master 42 is more accessible, priced at $36,500 compared to $39,800.
Which holds its value better on the secondary market?
The Rolex Cosmograph Daytona currently trades at 5.5% above retail, indicating strong value retention on the pre-owned market.
How do the Rolex Cosmograph Daytona and Rolex Yacht-Master 42 compare in size?
The Rolex Cosmograph Daytona measures 40mm in diameter and 12.2mm thick, while the Rolex Yacht-Master 42 is 42mm by 12.1mm.
What movements do these watches use?
The Rolex Cosmograph Daytona uses the Rolex calibre 4131 with 72 hours power reserve, while the Rolex Yacht-Master 42 runs on the Rolex calibre 3235 offering 70 hours of power reserve.
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