
Rolex
Day-Date 40
Ref. 228238
New Price
$38k–$45k
Pre-owned: $35k–$55k
Comparing the Rolex Day-Date 40 ($38k–$45k, 100m WR, 40mm) against the Cartier Santos de Cartier ($8k–$8k, 100m WR, 39.8mm) — specs, movement, community votes, and an expert verdict below. The Cartier Santos de Cartier is the more affordable option by $30k.
Complete head-to-head comparison

Rolex
Ref. 228238
New Price
$38k–$45k
Pre-owned: $35k–$55k

Cartier
Ref. WSSA0018
New Price
$8k–$8k
Pre-owned: $6k–$8k
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Visit Cartier Pillar Page →Cartier Santos de Cartier is the value winner at $8k–$8k — over 50% cheaper than the Rolex Day-Date 40 ($38k–$45k).
Pros
Cons
Pros
Both are excellent watches with different strengths. The Rolex Day-Date 40 offers a larger case and costs more new. The Cartier Santos de Cartier excels in overall construction. The best choice depends on your wrist size, budget, and preferred aesthetic.
The Rolex Day-Date 40 retails for $38k–$45k, while the Cartier Santos de Cartier is priced at $8k–$8k. Pre-owned, expect $35k–$55k and $6k–$8k respectively. Actual secondary market prices vary based on condition and demand.
The Rolex Day-Date 40 has a 40mm case diameter with 12.4mm thickness, while the Cartier Santos de Cartier measures 39.8mm × 9.08mm. Both have lug-to-lug measurements of 47mm and 48mm respectively. Consider your wrist size and wear style when deciding.
The Rolex Day-Date 40 is water-resistant to 100m, while the Cartier Santos de Cartier offers 100m. Both are suitable for swimming and snorkeling at their respective depths. For professional diving, verify the rating exceeds 300m and includes a screw-down crown.
The Rolex Day-Date 40 uses a automatic Cal. 3255 with 70 hours power reserve. The Cartier Santos de Cartier features a automatic Cal. 1847 MC with 40 hours power reserve. Both offer traditional mechanical craftsmanship.
Rolex and Cartier both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $35k–$55k for the Day-Date 40 and $6k–$8k for the Santos de Cartier. Condition, service history, and box/papers significantly impact resale value for both models.
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The only watch worn on the Moon. The Speedmaster was NASA-qualified in 1965 and accompanied every Apollo mission.
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Rolex's sister brand, delivering in-house movements at 30–60% lower retail prices than its parent.
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Motorsport's official timekeeper for over 50 years — TAG Heuer has timed Formula 1, Le Mans, and the Monaco Grand Prix.
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Invented the quartz movement (1969), the kinetic movement (1988), and the spring drive (1999) — more watch innovations than any other single company.
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