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Omega Constellation Globemaster Annual Calendar vs Tudor Black Bay GMT S&G

Ref. 130.33.41.22.02.001 vs Ref. M79833MN-0003

The Omega Constellation Globemaster Annual Calendar (dress watch) and Tudor Black Bay GMT S&G (gmt / travel watch) represent different approaches to luxury watchmaking. While the Omega Constellation Globemaster Annual Calendar is priced at $9,600 and the Tudor Black Bay GMT S&G at $5,825, both offer compelling value propositions. This comparison examines their specifications, market positioning, and investment potential side by side.

Price Comparison

Omega

Constellation Globemaster Annual Calendar

Retail$9,600
Market Avg$7,680
Market Range$6,758 $8,602
Premium-20.0%
Flip Score2/10 – Below Average

Tudor

Black Bay GMT S&G

Retail$5,825
Market Avg$5,243
Market Range$4,614 $5,872
Premium-10.0%
Flip Score2/10 – Below Average

At retail, the Omega Constellation Globemaster Annual Calendar is listed at $9,600 while the Tudor Black Bay GMT S&G comes in at $5,825. At $3,775 less (65% savings), the Tudor Black Bay GMT S&G offers a substantially lower entry point. On the secondary market, the gap narrows: the Omega Constellation Globemaster Annual Calendar trades around $7,680 and the Tudor Black Bay GMT S&G around $5,243, a difference of $2,437 favoring the Tudor Black Bay GMT S&G. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Black Bay GMT S&G commands an even stronger market premium of -10.0%, holding steady. Both watches score equally on flip potential at 2/10, making neither a clear investment winner over the other.

Specifications

SpecificationOmega Constellation Globemaster Annual CalendarTudor Black Bay GMT S&G
Case Diameter41mm41mm
Case Thickness14.35mm14.8mm
Case MaterialStainless steelStainless steel and yellow gold
BezelStainless steel fluted bezelBidirectional rotating bezel with anodized aluminium insert in brown and black
CrystalDomed sapphire crystal with anti-reflective treatmentSapphire crystal
Water Resistance100m / 330ft200m / 660ft
MovementOmega Co-Axial Master Chronometer calibre 8922Tudor Calibre MT5652
Movement TypeAutomaticAutomatic
Power Reserve55 hours70 hours
Bracelet/StrapStainless steel braceletStainless steel and yellow gold with riveted-style links
ClaspFolding claspFolding clasp with safety catch
Lug Width20mm22mm

Key specification differences stand out between these two: The Tudor Black Bay GMT S&G leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Tudor Black Bay GMT S&G offers longer power reserve at 70 hours, and the Omega Constellation Globemaster Annual Calendar uses Stainless steel while the Tudor Black Bay GMT S&G opts for Stainless steel and yellow gold. 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 Annual Calendar costs $187 versus $128 for the Tudor Black Bay GMT S&G. For water resistance, the Tudor Black Bay GMT S&G delivers better value per meter of depth rating. The Tudor Black Bay GMT S&G offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Omega Constellation Globemaster Annual Calendar if you value the Omega heritage. Go with the Tudor Black Bay GMT S&G if you prioritize a lower entry price, better value retention.

Frequently Asked Questions

Which is more affordable, the Omega Constellation Globemaster Annual Calendar or the Tudor Black Bay GMT S&G?

The Tudor Black Bay GMT S&G is more accessible, priced at $5,825 compared to $9,600.

Which holds its value better on the secondary market?

The Tudor Black Bay GMT S&G currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.

How do the Omega Constellation Globemaster Annual Calendar and Tudor Black Bay GMT S&G compare in size?

The Omega Constellation Globemaster Annual Calendar measures 41mm in diameter and 14.35mm thick, while the Tudor Black Bay GMT S&G is 41mm by 14.8mm. Water resistance differs too: 100m / 330ft versus 200m / 660ft.

What movements do these watches use?

The Omega Constellation Globemaster Annual Calendar uses the Omega Co-Axial Master Chronometer calibre 8922 with 55 hours power reserve, while the Tudor Black Bay GMT S&G runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.

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