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Omega Constellation Globemaster Annual Calendar vs Omega Seamaster Diver 300M Nekton Edition

Ref. 130.33.41.22.02.001 vs Ref. 210.30.42.20.01.002

The Omega Constellation Globemaster Annual Calendar and Omega Seamaster Diver 300M Nekton Edition both carry the Omega name but serve different purposes — the Omega Constellation Globemaster Annual Calendar as a dress watch and the Omega Seamaster Diver 300M Nekton Edition as a dive watch. At $9,600 and $6,100 respectively, the question isn't which is better — it's which better fits your collection and investment goals.

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

Omega

Seamaster Diver 300M Nekton Edition

Retail$6,100
Market Avg$4,880
Market Range$4,294 $5,466
Premium-20.0%
Flip Score2/10 – Below Average

At retail, the Omega Constellation Globemaster Annual Calendar is listed at $9,600 while the Omega Seamaster Diver 300M Nekton Edition comes in at $6,100. At $3,500 less (57% savings), the Omega Seamaster Diver 300M Nekton Edition 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 Omega Seamaster Diver 300M Nekton Edition around $4,880, a difference of $2,800 favoring the Omega Seamaster Diver 300M Nekton Edition. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Omega Seamaster Diver 300M Nekton Edition shows a more modest market premium of -20.0%, though currently trending downward. Both watches score equally on flip potential at 2/10, making neither a clear investment winner over the other.

Specifications

SpecificationOmega Constellation Globemaster Annual CalendarOmega Seamaster Diver 300M Nekton Edition
Case Diameter41mm42mm
Case Thickness14.35mm13.56mm
Case MaterialStainless steelStainless steel
BezelStainless steel fluted bezelBlack ceramic unidirectional rotating bezel with diving scale
CrystalDomed sapphire crystal with anti-reflective treatmentDomed sapphire crystal with anti-reflective treatment
Water Resistance100m / 330ft300m / 1000ft
MovementOmega Co-Axial Master Chronometer calibre 8922Omega Co-Axial Master Chronometer calibre 8800
Movement TypeAutomaticAutomatic
Power Reserve55 hours55 hours
Bracelet/StrapStainless steel braceletStainless steel bracelet
ClaspFolding claspFolding clasp with diver extension
Lug Width20mm20mm

Key specification differences stand out between these two: The Omega Seamaster Diver 300M Nekton Edition leads in water resistance (300m / 1000ft vs. 100m / 330ft). With 4 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 $116 for the Omega Seamaster Diver 300M Nekton Edition. For water resistance, the Omega Seamaster Diver 300M Nekton Edition delivers better value per meter of depth rating. The Omega Seamaster Diver 300M Nekton Edition 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 Omega Seamaster Diver 300M Nekton Edition if you prioritize a lower entry price, serious diving capabilities.

Frequently Asked Questions

Which is more affordable, the Omega Constellation Globemaster Annual Calendar or the Omega Seamaster Diver 300M Nekton Edition?

The Omega Seamaster Diver 300M Nekton Edition is more accessible, priced at $6,100 compared to $9,600.

Which holds its value better on the secondary market?

The Omega Seamaster Diver 300M Nekton Edition currently trades at 20.0% below retail, indicating moderate value retention on the pre-owned market.

How do the Omega Constellation Globemaster Annual Calendar and Omega Seamaster Diver 300M Nekton Edition compare in size?

The Omega Constellation Globemaster Annual Calendar measures 41mm in diameter and 14.35mm thick, while the Omega Seamaster Diver 300M Nekton Edition is 42mm by 13.56mm. Water resistance differs too: 100m / 330ft versus 300m / 1000ft.

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 Omega Seamaster Diver 300M Nekton Edition runs on the Omega Co-Axial Master Chronometer calibre 8800 offering 55 hours of power reserve.

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