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.
Buy Now on Jomashop
This is an affiliate link
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] 1969 Omega Constellation 168.029 Fully Serviced

1969 Omega Constellation 168.029 Fully Serviced

Omega - 168.029 · $1,550
This beautiful 1969 Omega Constellation with linen dial has been fully serviced and confirmed to have all original parts.

  • Condition: Fully serviced, with original parts replaced and confirmed by a specialty watchmaker
  • Year Of Manufacture: 1969
  • Dial Type: linen dial
Posted at
May 20, 2026, 6:26 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation 166.0261 Automatic 18k Fluted Bezel Cal 1020 Mens Watch $1200

Omega Constellation 166.0261 Automatic 18k Fluted Bezel Cal 1020 Mens Watch $1200

Omega - 166.0261 · $1,200
This Omega Constellation features an automatic movement and a fluted bezel, housed in a stainless steel and 18k gold case.

  • Condition: Preowned, In Good condition with some wear and marks
  • Movement: Cal 1020 Automatic
  • Case material: Stainless steel & 18k Gold
  • Band size: up to 19 cm
Posted at
May 18, 2026, 7:07 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation 34MM | 2022 Full set | Blue dial with factory diamond hour markers and white gold logo, hands, and holders | $4,495 shipped OBO

Omega Constellation 34MM | 2022 Full set | Blue dial with factory diamond hour markers and white gold logo, hands, and holders | $4,495 shipped OBO

Omega - 131.10.34.20.53.001 · $4,495
This Omega Constellation 34MM features a peacock blue dial with factory diamond hour markers, small seconds subdial, and iconic Constellation star.

  • Condition: Very good
  • Case Diameter: 34mm
Posted at
May 18, 2026, 4:49 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation 1968 with white gold bezel and 'linen' dial

Omega Constellation 1968 with white gold bezel and 'linen' dial

Omega - 162.027 · $900
A used vintage Omega Constellation featuring an automatic caliber 564 movement with a quickset date, white-gold bezel and 'linen' dial.

  • Condition: 7.5/10, minor scratches on crystal and dial visible under strong light
  • Movement: caliber 564, automatic
  • Case dimensions: 35mm diameter (without crown), 40.5mm diameter (with crown)
  • Thickness: 10mm
Posted at
May 18, 2026, 2:20 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Gold Filled Reference 14902 SERVICED

Omega Constellation Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,350
A 1966 Omega Constellation Pie Pan reference number 14902, in good condition with a gold filled bezel and lugs.

  • Condition: good condition with wear and aging on the dial
  • Case width: 34mm
  • Bezel and lugs material: gold filled
  • Year: 1966
Posted at
May 15, 2026, 2:36 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Manhattan Day Date Two Tone Integrated Bracelet Beauty Just $995 Shipped

Omega Constellation Manhattan Day Date Two Tone Integrated Bracelet Beauty Just $995 Shipped

Omega - Constellation Manhattan Day Date Two Tone Integrated Bracelet · $995
The Omega Constellation Manhattan was a design by Carol Didisheim in 1982. It features a crisp white dial with luminescent hands and gold dot markers, and has an integrated bracelet that fits up to 7.25 inches.

  • Condition: Pre-owned, unpolished case with age-related wear, some paint loss on bezels
  • Diameter: 33mm
  • Movement type: Swiss quartz movement
  • Bracelet length: fits up app 7.25 inches
Posted at
May 13, 2026, 10:07 PM
Active
View listing on r/WatchExchange
[WTS] 1952 Omega Constellation 2652SC Cal 354 - 18k Rose Gold Deluxe - Arrow Markers

1952 Omega Constellation 2652SC Cal 354 - 18k Rose Gold Deluxe - Arrow Markers

Omega - 2652SC
  • Caliber: Cal 354
  • Year: 1952
Posted at
May 13, 2026, 2:31 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Co-Axial Chronometer Stainless Black Ref 131.10.39.20.01.001

Omega Constellation Co-Axial Chronometer Stainless Black Ref 131.10.39.20.01.001

Omega - 131.10.39.20.01.001
  • Material: Stainless Steel
Posted at
May 13, 2026, 1:46 PM
Active
View listing on r/WatchExchange
Tiltle: [WTS] Rare Omega Constellation Pie Pan Ref. 167.005 | Rose Gold Cap | No Date | Cal. 551 Chronometer | Great Condition | All Original | $2600 (SERVICED)

Tiltle: Rare Omega Constellation Pie Pan Ref. 167.005 | Rose Gold Cap | No Date | Cal. 551 Chronometer | Great Condition | All Original | $2600 (SERVICED)

Omega - 167.005 · $2,600
The Omega Constellation Ref. 167.005 features a Pie Pan dial in Rose Gold Cap finish with a Caliber 551 chronometer-rated movement.

  • Condition: Serviced movement, great time keeping, flawless dial
  • Movement Type: Automatic Chronometer (24 Jewels)
  • Case Materials: Rose Gold Cap over stainless steel
  • Dial Type: Original silver sunburst Pie Pan (No Date) with Rose Gold indices and hands
Posted at
May 13, 2026, 12:53 PM
Active
View listing on r/WatchExchange