Omega Constellation Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Yellow Gold / MOP

Reference 127.20.27.20.55.002

Omega Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Yellow Gold / MOP

About this watch

The Omega Constellation Co-Axial Master Chronometer 27 is a masterpiece of luxury watchmaking. This stunning timepiece boasts a petite yet bold presence with its 27mm diameter, crafted from high-quality stainless steel and yellow gold. The white Mother of Pearl dial is a work of art, featuring gem-set indexes that add a touch of opulence. The Co-Axial escapement technology ensures precision and longevity, while the Master Chronometer certification guarantees accuracy and resistance to magnetic fields up to 15,000 gauss. With its 100m water resistance and comfortable 17mm lug width, this watch is perfect for everyday wear. Whether you're a seasoned collector or looking for a special piece to mark an occasion, the Constellation's luxurious appearance and durability make it a compelling choice.
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MSRP: $9,300
Market Price: $5,324

Key Features

  • 27mm diameter stainless steel and yellow gold case
  • White Mother of Pearl dial with gem-set indexes
  • Co-Axial escapement technology for precision and longevity
  • Master Chronometer certification for accuracy and resistance to magnetic fields
  • 100m water resistance
  • Comfortable 17mm lug width
  • Date function and small seconds hand

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Yellow Gold / MOP
Reference
127.20.27.20.55.002
Movement
8704
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Ref 168.017 - Vintage

Omega Constellation Ref 168.017 - Vintage

Omega - 168.017 · $1,550
1966 Omega Constellation Ref 168.017 with White Pearl Dial Caliber 564, in great condition and fully functional.

  • Condition: GREAT condition
  • Year Of Manufacture: 1966
  • Material: Gold-cap on Stainless Steel
  • Thickness: 200 microns (greater resistance and durability)
Posted at
Feb 19, 2026, 4:30 AM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Ref 166.063 - Vintage

Omega Constellation Ref 166.063 - Vintage

Omega - 166.063 · $1,250
1960s Omega Constellation in good condition, featuring Caliber 1001 and a gold-cap on stainless steel case.

  • Condition: good condition
  • Year Of Manufacture: 1960s
  • Case Material: Gold-cap on Stainless Steel
  • Water Resistance: 200 microns
Posted at
Feb 17, 2026, 5:17 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Jumbo Ref : 168.001 14K Gold Bezel Condition Good Price : 2000$

Omega Constellation Jumbo Ref : 168.001 14K Gold Bezel Condition Good Price : 2000$

Omega - 168.001 · $2,000
This Omega Constellation Jumbo features a 14K gold bezel and is in good condition, measuring 37mm in size with an original dial powered by the Caliber 561 movement.

  • Condition: Good
  • Material: 14K Gold Bezel
  • Diameter: 37mm
  • Calibre: Caliber 561
Posted at
Feb 17, 2026, 6:00 AM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Globemaster Silver Dial - Full Kit

Omega Constellation Globemaster Silver Dial - Full Kit

Omega - Constellation Globemaster · $5,500
Up for sale is my Omega Constellation Globemaster in stainless steel with the silver “pie-pan” dial, featuring a 39mm case size, Omega Caliber 8900 movement and METAS Master Chronometer certification.

  • Condition: normal wear for its age
  • Case Size: 39 mm
  • Case Material: stainless steel
  • Dial Color: silver
Posted at
Feb 15, 2026, 6:13 PM
Active
View listing on r/WatchExchange
[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
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[WTS] Omega Constellation Gold Capped (Automatic)

Omega Constellation Gold Capped (Automatic)

Omega - Constellation Gold Capped (Automatic) · $900
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
View listing on r/WatchExchange
[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
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Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

Omega - 130.30.39.21.03.001 · $4,650
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
View listing on RolexForums