Omega Constellation Constellation Manhattan 29 Co-Axial Master Chronometer Sedna Gold - Diamond / Sedna Meteorite

Reference 131.55.29.20.99.006

About this watch

The Omega Constellation Manhattan 29 Co-Axial Master Chronometer is a stunning luxury timepiece that exudes elegance and sophistication. Its unique blend of Sedna Gold, meteorite dial, and gem-set bezel creates a truly breathtaking visual experience. The watch's petite size, measuring 29 mm in diameter and 17.60 mm in lug width, ensures a comfortable fit on any wrist. Its remarkable power reserve of 50 hours makes it perfect for everyday wear, while its water resistance of up to 50 meters provides peace of mind. At the heart of this masterpiece is the Omega caliber 8700, featuring the revolutionary Co-Axial escapement and certified as a Master Chronometer by METAS. This self-winding movement operates at a frequency of 25,200 vibrations per hour, providing smooth and accurate timekeeping. The addition of the meteorite dial adds an extra layer of uniqueness to each piece, making every Omega Constellation Manhattan 29 truly one-of-a-kind.
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Key Features

  • Sedna Gold case
  • Meteorite dial with gem-set indexes
  • Omega caliber 8700 self-winding movement
  • Co-Axial escapement
  • Water resistance up to 50 meters
  • Power reserve of 50 hours
  • Frequency of 25,200 vibrations per hour

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Manhattan 29 Co-Axial Master Chronometer Sedna Gold - Diamond / Sedna Meteorite
Reference
131.55.29.20.99.006
Movement
8700
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Sedna Gold 29mm
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Vintage Omega Constellation unpolished Ref. 168.029 Day-Date $815 shipped

Vintage Omega Constellation unpolished Ref. 168.029 Day-Date $815 shipped

Omega - 168.029 · $815
This is a late 1960s–early 1970s Omega Constellation with a Gerald Genta design. It features an unpolished case and solid 18k white gold fluted bezel.

  • Condition: Pre-owned, serviced
  • Material: 18k white gold
  • Bracelet type: 1040 'brick' bracelet
Posted at
Feb 14, 2026, 9:07 PM
Active
[WTS] Omega Constellation Gold Capped (Automatic)

Omega Constellation Gold Capped (Automatic)

This Omega Constellation features a rare red seconds hand and was serviced last year.

  • Condition: some wear
  • Case diameter: 35 MM
Posted at
Feb 13, 2026, 11:13 PM
Active
[WTS] Omega constellation chronometer ref 198.0104 & Omega Polaris Ref 396.1022.

Omega constellation chronometer ref 198.0104 & Omega Polaris Ref 396.1022.

Omega · $700
The seller is listing two vintage Omega watches: a Constellation chronometer quartz (ref 198.0141) and an Omega Polaris (ref 396.1022). Both watches are from the 1980s, feature sapphire crystals, and have strap sizes up to 7.5 inches.

  • Condition: very close to perfect
  • Case size: 29mm without crown x 33mm
  • Movement: Omega Cal: 1431 Quartz
  • Crystal type: Sapphire Crystal
Posted at
Feb 12, 2026, 8:29 AM
Active
[WTS] Omega Constellation Jumbo 14777-61SC 37mm  | Good Condition (Serviced) | $1600

Omega Constellation Jumbo 14777-61SC 37mm | Good Condition (Serviced) | $1600

Omega - 14777-61SC · $1,600
The Omega Constellation Jumbo Ref. 14777-61SC is a vintage watch with a clean, flat dial aesthetic and a modern wrist presence. It features a stainless steel case with beautifully curved lugs and a sharp bezel, and powers Omega's Caliber 561 chronometer-rated automatic movement.

  • Condition: Good (serviced)
  • Case diameter: 37mm
  • Lug width: 19mm
  • Movement: Caliber 561 (chronometer-rated automatic movement with date complication)
Posted at
Feb 10, 2026, 11:15 PM
Active
Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

The Omega Constellation Globemaster 39mm is a versatile dress watch with a dark blue pie pan dial and fluted tungsten carbide bezel. It has goldilocks proportions and a beautiful 3-row bracelet.

  • Condition: 98% pristine, minor hairline marks on lugs and possibly a faint desk diving mark on case or bracelet
  • Case dimensions: 39mm x 46.7mm lug to lug x 12.6mm thick
  • Bracelet type: 3-row with slightly curved central links
Posted at
Mar 31, 2025, 10:32 AM
Active