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Rolex Datejust 36 vs Rolex Day-Date 40

Ref. M126234-0015 vs Ref. M228239-0060

Comparing the Rolex Datejust 36 to the Rolex Day-Date 40 means weighing a significant price difference — is the premium justified? At $10,550 versus $44,250, these two watches serve different segments of the market. Here's how they stack up on specifications, value retention, and investment potential.

Price Comparison

Rolex

Datejust 36

Retail$10,550
Market Avg$9,500
Market Range$8,500 $10,500
Premium-10.0%
Flip Score3/10 – Moderate

Rolex

Day-Date 40

Retail$44,250
Market Avg$46,463
Market Range$40,887 $52,039
Premium+5.0%
Flip Score5/10 – Good

At retail, the Rolex Datejust 36 is listed at $10,550 while the Rolex Day-Date 40 comes in at $44,250. The Rolex Datejust 36 comes in at $33,700 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap widens: the Rolex Datejust 36 trades around $9,500 and the Rolex Day-Date 40 around $46,463, a difference of $36,963 favoring the Rolex Datejust 36. Available at 10% below retail and holding steady, this represents a buying opportunity for those comfortable with the current market position. The Rolex Day-Date 40 commands an even stronger market premium of +5.0%, holding steady. For investors, the Rolex Day-Date 40 edges ahead with a flip potential score of 5/10 compared to 3/10.

Specifications

SpecificationRolex Datejust 36Rolex Day-Date 40
Case Diameter36mm40mm
Case Thickness11.6mm12.4mm
Case MaterialOystersteel and 18ct white gold18ct white gold
Bezel18ct white gold, fluted18ct white gold, fluted
CrystalSapphire with Cyclops lensSapphire with Cyclops lens
Water Resistance100m / 330ft100m / 330ft
MovementRolex calibre 3235Rolex calibre 3255
Movement TypeAutomaticAutomatic
Power Reserve70 hours70 hours
Bracelet/StrapJubilee, five-piece linksPresident, three-piece semi-circular links
ClaspOysterclasp with Easylink 5mm comfort extensionConcealed folding Crownclasp
Lug Width20mm20mm

Key specification differences stand out between these two: the Rolex Datejust 36 uses Oystersteel and 18ct white gold while the Rolex Day-Date 40 opts for 18ct white gold. With 5 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 Datejust 36 costs $264 versus $1,162 for the Rolex Day-Date 40. For water resistance, the Rolex Datejust 36 delivers better value per meter of depth rating. The Rolex Datejust 36 offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Rolex Datejust 36 if you value a lower entry price. Go with the Rolex Day-Date 40 if you prioritize stronger flip potential, better value retention. For pure investment potential, the Rolex Day-Date 40 has the edge based on current market data.

Frequently Asked Questions

Which is more affordable, the Rolex Datejust 36 or the Rolex Day-Date 40?

The Rolex Datejust 36 is more accessible, priced at $10,550 compared to $44,250.

Which watch is a better investment?

Based on current market data, the Rolex Day-Date 40 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 Day-Date 40 currently trades at 5.0% above retail, indicating strong value retention on the pre-owned market.

How do the Rolex Datejust 36 and Rolex Day-Date 40 compare in size?

The Rolex Datejust 36 measures 36mm in diameter and 11.6mm thick, while the Rolex Day-Date 40 is 40mm by 12.4mm.

What movements do these watches use?

The Rolex Datejust 36 uses the Rolex calibre 3235 with 70 hours power reserve, while the Rolex Day-Date 40 runs on the Rolex calibre 3255 offering 70 hours of power reserve.

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