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

Reference 127.55.27.20.55.002

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

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

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Dial type: Tropical dial

Posted at

Jan 29, 2026, 12:06 PM

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Redial quality: top notch
Shipping options: Fedex/DHL

Posted at

Jan 29, 2026, 12:01 PM

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Jan 28, 2026, 4:29 PM

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Case material 1: gold-capped
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Dial color 1: beautiful 'Jupiter' patina

Posted at

Jan 28, 2026, 8:27 AM

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Condition: Great pre-owned condition
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Posted at

Jan 27, 2026, 11:44 PM

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Omega Constellation 168.005 Dog-leg Lugs Crosshair Tropical Dial — $1,400 (Serviced / Shipping / Tariff Covered)

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This Omega Constellation ref. 168.005 features a unique tropical dial with crosshair layout, well-matched hands and hour markers, and dog-leg lugs.

Condition: Great vintage condition
Movement Type: Automatic
Caliber: 561
Chronometer Certified: Yes

Posted at

Jan 27, 2026, 8:52 AM

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Condition: Excellent
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Jan 26, 2026, 5:43 PM

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Condition: Excellent, minor patina on logo and date window
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Diameter: 40mm
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Posted at

Jan 26, 2026, 1:13 PM

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