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Omega Constellation Globemaster vs Rolex GMT-Master II

Ref. 130.30.39.21.03.001 vs Ref. M126710GRNR-0003

The Omega Constellation Globemaster (dress watch) and Rolex GMT-Master II (gmt / travel watch) represent different approaches to luxury watchmaking. While the Omega Constellation Globemaster is priced at $7,100 and the Rolex GMT-Master II at $12,350, both offer compelling value propositions. This comparison examines their specifications, market positioning, and investment potential side by side.

Price Comparison

Omega

Constellation Globemaster

Retail$7,100
Market Avg$5,680
Market Range$4,998 $6,362
Premium-20.0%
Flip Score2/10 – Below Average

Rolex

GMT-Master II

Retail$12,350
Market Avg$19,000
Market Range$17,000 $21,000
Premium+53.8%
Flip Score8/10 – Excellent

At retail, the Omega Constellation Globemaster is listed at $7,100 while the Rolex GMT-Master II comes in at $12,350. At $5,250 less (74% savings), the Omega Constellation Globemaster offers a substantially lower entry point. On the secondary market, the gap widens: the Omega Constellation Globemaster trades around $5,680 and the Rolex GMT-Master II around $19,000, a difference of $13,320 favoring the Omega Constellation Globemaster. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Rolex GMT-Master II commands an even stronger market premium of +53.8%, with upward momentum. For investors, the Rolex GMT-Master II edges ahead with a flip potential score of 8/10 compared to 2/10.

Specifications

SpecificationOmega Constellation GlobemasterRolex GMT-Master II
Case Diameter39mm40mm
Case Thickness12.41mm13.1mm
Case MaterialStainless steelOystersteel
BezelStainless steel fluted bezelCerachrom (ceramic) in green and black
CrystalDomed sapphire crystal with anti-reflective treatmentSapphire with Cyclops lens
Water Resistance100m / 330ft100m / 330ft
MovementOmega Co-Axial Master Chronometer calibre 8900Rolex calibre 3285
Movement TypeAutomaticAutomatic
Power Reserve55 hours70 hours
Bracelet/StrapStainless steel braceletJubilee, five-piece links
ClaspFolding claspOysterclasp with Easylink 5mm comfort extension
Lug Width19mm20mm

Key specification differences stand out between these two: the Rolex GMT-Master II offers longer power reserve at 70 hours, and the Omega Constellation Globemaster uses Stainless steel while the Rolex GMT-Master II opts for Oystersteel. With 7 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 Omega Constellation Globemaster costs $146 versus $475 for the Rolex GMT-Master II. For water resistance, the Omega Constellation Globemaster delivers better value per meter of depth rating. The Omega Constellation Globemaster offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Omega Constellation Globemaster if you value a lower entry price. Go with the Rolex GMT-Master II if you prioritize 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 Omega Constellation Globemaster or the Rolex GMT-Master II?

The Omega Constellation Globemaster is more accessible, priced at $7,100 compared to $12,350.

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 53.8% above retail, indicating strong value retention on the pre-owned market.

How do the Omega Constellation Globemaster and Rolex GMT-Master II compare in size?

The Omega Constellation Globemaster measures 39mm in diameter and 12.41mm thick, while the Rolex GMT-Master II is 40mm by 13.1mm.

What movements do these watches use?

The Omega Constellation Globemaster uses the Omega Co-Axial Master Chronometer calibre 8900 with 55 hours power reserve, while the Rolex GMT-Master II runs on the Rolex calibre 3285 offering 70 hours of power reserve.

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