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

Reference 127.55.27.20.55.002

About this watch

The Omega Constellation Co-Axial Master Chronometer 27 Small Seconds is a stunning example of luxury and precision. With its exquisite design and advanced technology, this watch is not just a tool for telling time; it’s a statement piece. The 27 mm round case crafted from luxurious yellow gold exudes opulence, while the gem-set bezel adds a touch of glamour. The shimmering mother-of-pearl (MOP) dial catches the light beautifully, creating a dance of colors that changes with every angle. The Omega caliber 8705 movement boasts a free-sprung balance and a silicon balance spring, ensuring incredible accuracy and reliability even in external magnetic fields up to 15,000 gauss. Certified by METAS as a Master Chronometer, this watch has passed rigorous testing for precision, performance, and resistance to magnetic fields. With a power reserve of 50 hours and automatic winding in both directions, this watch is built for life with a water resistance rating of 100 meters.
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Key Features

  • 27mm round yellow gold case
  • Gem-set bezel with mother-of-pearl dial
  • Omega caliber 8705 movement with free-sprung balance and silicon balance spring
  • METAS Master Chronometer certification
  • 50-hour power reserve with automatic winding in both directions
  • 100m water resistance

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Yellow Gold / Diamond / MOP
Reference
127.55.27.20.55.002
Movement
8705
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] [WW] Omega Omega Constellation Ladies 24mm MOP

[WW] Omega Omega Constellation Ladies 24mm MOP

Omega - 6563-875 · $700
The Omega Constellation Ladies watch features a stainless steel case with a mother-of-pearl dial. It has a quartz movement for accurate timekeeping and comes with its original box and papers.

  • Condition: Good - shows signs of wear (scratches on bracelet and bezel, also there are dents on the back case)
  • Case Material: Stainless Steel
  • Movement: Quartz
  • Bracelet Length: 180mm (approx.)
Posted at
Jan 6, 2026, 3:13 PM
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[WTS] Omega Constellation 168.017 (1966)

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This Omega Constellation is a beautiful example from 1966 with an original dial and hands.

  • Condition: Good condition overall
  • Movement: Cal. 561
  • Bracelet: Genuine Omega 518 brick
Posted at
Jan 6, 2026, 10:25 AM
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  • Condition: VERY GOOD with some light scratches on the bracelet
  • Case material: yellow gold and stainless steel
  • Bracelet size: ~7"
  • Bracelet condition: pre-sized
Posted at
Jan 3, 2026, 5:15 AM
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[WTS] Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

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A rare and highly desirable 1960s Omega Constellation Ref. 14393 in 18K rose gold, featuring a silver pie-pan dial and 34mm case size.

  • Case size: 34mm
  • Year of production: 1960s
  • Case material: 18K rose gold
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Jan 1, 2026, 7:47 PM
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[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

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Omega - 168.017 · $775
The Omega Constellation C Shape features a stainless steel 35mm case, off white dial, and automatic calibre 564 movement.

  • Condition: great, no major dents or scratches
  • Case Size: 35mm diameter
  • Movement: calibre 564 automatic
Posted at
Dec 30, 2025, 9:33 AM
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A beautiful Omega Constellation Automatic with a 2-tone stainless steel and gold watch, featuring a matching gold dial. The watch has been timegrapher checked and is running around -17spd.

  • Condition: Great condition with minor signs of wear
  • Bracelet size: 7-8 inches
  • Case dimensions: 35mm diameter, 38mm lug to lug, 23mm lug width, 7mm thickness
  • Movement accuracy: -17 spd
Posted at
Dec 28, 2025, 9:35 PM
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Up for sale is an Omega Globemaster Constellation in great condition, featuring a stainless steel case and automatic Co-Axial Master Chronometer movement.

  • Condition: Great condition overall, light wear on stainless steel case
  • Case size: 39mm diameter
  • Movement type: automatic Co-Axial Master Chronometer
Posted at
Dec 27, 2025, 11:28 PM
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Omega - 198.0126 · $500
A men's Omega Constellation Chronometer reference 198.0126 made in Switzerland with a quartz cal 1333 movement.

  • Condition: Preowned, with little wear and marks
  • Movement: Quartz Cal 1333
  • Country Of Manufacture: Switzerland
  • Case Material: Stainless steel
Posted at
Dec 27, 2025, 12:40 PM
Active