Rolex GMT-Master II vs Rolex Yacht-Master 42
Ref. M126718GRNR-0001 vs Ref. M136668LB-0001
The Rolex GMT-Master II and Rolex Yacht-Master 42 both carry the Rolex name but serve different purposes — the Rolex GMT-Master II as a gmt / travel watch and the Rolex Yacht-Master 42 as a sport watch. At $44,750 and $36,500 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Rolex
GMT-Master II
Rolex
Yacht-Master 42
At retail, the Rolex GMT-Master II is listed at $44,750 while the Rolex Yacht-Master 42 comes in at $36,500. The Rolex Yacht-Master 42 saves you $8,250 (23% less), a meaningful difference for most buyers. On the secondary market, the gap widens: the Rolex GMT-Master II trades around $67,125 and the Rolex Yacht-Master 42 around $38,325, a difference of $28,800 favoring the Rolex Yacht-Master 42. This watch trades at 50% above retail on the secondary market and is trending upward — a strong indicator of collector demand. The Rolex Yacht-Master 42 also shows a healthy market premium of +5.0%, holding steady. For investors, the Rolex GMT-Master II edges ahead with a flip potential score of 8/10 compared to 5/10.
Specifications
| Specification | Rolex GMT-Master II | Rolex Yacht-Master 42 |
|---|---|---|
| Case Diameter | 40mm | 42mm |
| Case Thickness | 13.1mm | 12.1mm |
| Case Material | 18ct yellow gold | 18ct yellow gold |
| Bezel | Cerachrom (ceramic) in green and black | Cerachrom (ceramic) in blue, bidirectional rotatable |
| Crystal | Sapphire with Cyclops lens | Sapphire with Cyclops lens |
| Water Resistance | 100m / 330ft | 100m / 330ft |
| Movement | Rolex calibre 3285 | Rolex calibre 3235 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 70 hours |
| Bracelet/Strap | Jubilee, five-piece links in 18ct yellow gold | Oysterflex (elastomer with metal blade) |
| Clasp | Oysterclasp with Easylink 5mm comfort extension | Oysterlock safety clasp |
| Lug Width | 20mm | 21mm |
Key specification differences stand out between these two: the Rolex GMT-Master II features 40mm for case diameter compared to the Rolex Yacht-Master 42's 42mm. With 4 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 GMT-Master II costs $1,678 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 GMT-Master II if you value stronger flip potential, better value retention. Go with the Rolex Yacht-Master 42 if you prioritize a lower entry price. For pure investment potential, the Rolex GMT-Master II has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Rolex GMT-Master II or the Rolex Yacht-Master 42?
The Rolex Yacht-Master 42 is more accessible, priced at $36,500 compared to $44,750.
Which watch is a better investment?
Based on current market data, the Rolex GMT-Master II has a higher flip potential score of 8/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex GMT-Master II currently trades at 50.0% above retail, indicating strong value retention on the pre-owned market.
How do the Rolex GMT-Master II and Rolex Yacht-Master 42 compare in size?
The Rolex GMT-Master II measures 40mm in diameter and 13.1mm thick, while the Rolex Yacht-Master 42 is 42mm by 12.1mm.
What movements do these watches use?
The Rolex GMT-Master II uses the Rolex calibre 3285 with 70 hours power reserve, while the Rolex Yacht-Master 42 runs on the Rolex calibre 3235 offering 70 hours of power reserve.