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Rolex Datejust 31 vs Rolex GMT-Master II

Ref. M278271-0006 vs Ref. 16710

Comparing the Rolex GMT-Master II to the Rolex Datejust 31 means weighing a significant price difference — is the premium justified? At $14,300 versus ~$17,000 (market value), 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 31

Retail$14,300
Market Avg$13,585
Market Range$11,955 $15,215
Premium-5.0%
Flip Score4/10 – Moderate

Rolex

GMT-Master II

RetailDiscontinued
Market Avg$17,000
Market Range$14,000 $20,000
Premium0.0%
Flip Score6/10 – Good

The Rolex Datejust 31 is priced at $14,300 while the Rolex GMT-Master II comes in at ~$17,000 (market value). On the secondary market, the gap narrows: the Rolex Datejust 31 trades around $13,585 and the Rolex GMT-Master II around $17,000, a difference of $3,415 favoring the Rolex Datejust 31. Currently holding steady at just 5% below retail, this watch retains most of its value on the secondary market. The Rolex GMT-Master II commands an even stronger market premium of 0.0%, with upward momentum. For investors, the Rolex GMT-Master II edges ahead with a flip potential score of 6/10 compared to 4/10.

Specifications

SpecificationRolex Datejust 31Rolex GMT-Master II
Case Diameter31mm40mm
Case Thickness11.3mm12.0mm
Case MaterialOystersteel and 18ct Everose goldStainless steel
Bezel18ct Everose gold, flutedStainless steel with aluminum insert (blue/red, black/red, or black)
CrystalSapphire with Cyclops lensSapphire with Cyclops lens
Water Resistance100m / 330ft100m / 330ft
MovementRolex calibre 2236Rolex calibre 3185
Movement TypeAutomaticAutomatic
Power Reserve55 hours48 hours
Bracelet/StrapJubilee, five-piece links in Oystersteel and 18ct Everose goldOyster, three-piece solid links
ClaspOysterclasp with Easylink 5mm comfort extensionOysterclasp with Easylink 5mm comfort extension
Lug Width16mm20mm

Key specification differences stand out between these two: the Rolex Datejust 31 offers longer power reserve at 55 hours, and the Rolex Datejust 31 uses Oystersteel and 18ct Everose gold while the Rolex GMT-Master II opts for Stainless steel. With 6 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 31 costs $438 versus $425 for the Rolex GMT-Master II. For water resistance, the Rolex Datejust 31 delivers better value per meter of depth rating. The Rolex Datejust 31 offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Rolex Datejust 31 if you value the Rolex heritage. Go with the Rolex GMT-Master II if you prioritize a lower entry price, stronger flip potential, better value retention. 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 Datejust 31 or the Rolex GMT-Master II?

The Rolex Datejust 31 is more accessible, priced at $14,300 compared to ~$17,000 (market value).

Which watch is a better investment?

Based on current market data, the Rolex GMT-Master II has a higher flip potential score of 6/10, 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 0.0% below retail, indicating moderate value retention on the pre-owned market.

How do the Rolex Datejust 31 and Rolex GMT-Master II compare in size?

The Rolex Datejust 31 measures 31mm in diameter and 11.3mm thick, while the Rolex GMT-Master II is 40mm by 12.0mm.

What movements do these watches use?

The Rolex Datejust 31 uses the Rolex calibre 2236 with 55 hours power reserve, while the Rolex GMT-Master II runs on the Rolex calibre 3185 offering 48 hours of power reserve.

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