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Rolex Datejust 36 vs Rolex Day-Date 40

Ref. M126234-0051 vs Ref. M228238-0069

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 $40,450, 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$10,500
Market Range$9,500 $11,500
Premium-0.5%
Flip Score4/10 – Moderate

Rolex

Day-Date 40

Retail$40,450
Market Avg$39,000
Market Range$35,000 $43,000
Premium-3.6%
Flip Score4/10 – Moderate

At retail, the Rolex Datejust 36 is listed at $10,550 while the Rolex Day-Date 40 comes in at $40,450. The Rolex Datejust 36 comes in at $29,900 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap narrows: the Rolex Datejust 36 trades around $10,500 and the Rolex Day-Date 40 around $39,000, a difference of $28,500 favoring the Rolex Datejust 36. Currently holding steady at just 1% below retail, this watch retains most of its value on the secondary market. The Rolex Day-Date 40 shows a more modest market premium of -3.6%, holding steady. Both watches score equally on flip potential at 4/10, making neither a clear investment winner over the other.

Specifications

SpecificationRolex Datejust 36Rolex Day-Date 40
Case Diameter36mm40mm
Case Thickness11.6mm12.4mm
Case MaterialOystersteel and 18ct white gold18ct yellow gold
Bezel18ct white gold, fluted18ct yellow 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 yellow 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 $292 versus $975 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, better value retention. Go with the Rolex Day-Date 40 if you prioritize the Rolex heritage.

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 $40,450.

Which holds its value better on the secondary market?

The Rolex Datejust 36 currently trades at 0.5% below retail, indicating moderate 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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