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Omega Constellation vs Tudor Black Bay GMT S&G

Ref. 131.10.41.21.01.001 vs Ref. M79833MN-0001

The Omega Constellation (dress watch) and Tudor Black Bay GMT S&G (gmt / travel watch) represent different approaches to luxury watchmaking. While the Omega Constellation is priced at $5,800 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

Retail$5,800
Market Avg$4,640
Market Range$4,083 $5,197
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 is listed at $5,800 while the Tudor Black Bay GMT S&G comes in at $5,825. The two watches are priced within $25 of each other, making this a near-even matchup in terms of cost. On the secondary market, the gap widens: the Omega Constellation trades around $4,640 and the Tudor Black Bay GMT S&G around $5,243, a difference of $603 favoring the Omega Constellation. 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 ConstellationTudor Black Bay GMT S&G
Case Diameter41mm41mm
Case Thickness12.17mm14.8mm
Case MaterialStainless steelStainless steel and yellow gold
BezelStainless steel bezel with Roman numeral engravingsBidirectional rotating bezel with anodized aluminium insert in brown and black
CrystalDomed sapphire crystal with anti-reflective treatmentSapphire crystal
Water Resistance50m / 167ft200m / 660ft
MovementOmega Co-Axial Master Chronometer calibre 8900Tudor Calibre MT5652
Movement TypeAutomaticAutomatic
Power Reserve55 hours70 hours
Bracelet/StrapStainless steel integrated braceletStainless steel and yellow gold with riveted-style links
ClaspFolding claspFolding clasp with safety catch
Lug WidthIntegrated bracelet22mm

Key specification differences stand out between these two: The Tudor Black Bay GMT S&G leads in water resistance (200m / 660ft vs. 50m / 167ft), and the Tudor Black Bay GMT S&G offers longer power reserve at 70 hours, and the Omega Constellation 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 costs $113 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 if you value a lower entry price. Go with the Tudor Black Bay GMT S&G if you prioritize better value retention.

Frequently Asked Questions

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

The Omega Constellation is more accessible, priced at $5,800 compared to $5,825.

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 and Tudor Black Bay GMT S&G compare in size?

The Omega Constellation measures 41mm in diameter and 12.17mm thick, while the Tudor Black Bay GMT S&G is 41mm by 14.8mm. Water resistance differs too: 50m / 167ft versus 200m / 660ft.

What movements do these watches use?

The Omega Constellation uses the Omega Co-Axial Master Chronometer calibre 8900 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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