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

Reference 127.25.27.20.55.001

About this watch

In the world of luxury watches, few brands stand out as prominently as Omega. Their timepieces are not just about telling time; they embody elegance, precision, and innovation. Today, we're diving deep into one of their stunning models—the Omega Constellation Co-Axial Master Chronometer 27 Small Seconds. This watch is a true masterpiece, blending modern technology with classic design. The Omega Constellation collection has long been synonymous with sophisticated elegance. Launched in 1952, this family of watches has evolved over the decades while maintaining its signature style. Each piece reflects a commitment to quality and artistry, making it a favorite among watch enthusiasts and collectors alike. At the heart of the Omega Constellation 127.25.27.20.55.001 is the remarkable Caliber 8704. This self-winding movement features the innovative Co-Axial escapement, enhancing accuracy and reducing friction. The combination of red gold and stainless steel gives this watch a striking appearance. One of the standout features of this timepiece is the Mother of Pearl (MOP) dial, displaying a mesmerizing iridescence that changes with the light. The Omega Constellation isn't just about looks; it's designed for precision. With a 50-hour power reserve and automatic winding in both directions, you can trust that it'll keep ticking even when you take it off for a couple of days.
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Key Features

  • Caliber 8704 Co-Axial Escapement Movement
  • Mother of Pearl Dial with Iridescence
  • Red Gold and Stainless Steel Case
  • Gem-Set Bezel and Indexes
  • Water Resistance up to 100m
  • 50-Hour Power Reserve and Automatic Winding
  • Small Seconds Hand at 9 o'clock Position

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Red Gold / Diamond / MOP
Reference
127.25.27.20.55.001
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] 1958 Uncommon Omega Constellation “Jumbo” ref. 14396 w/ Cal. 505 – 37mm gold-capped case – freshly serviced – $2,160 shipped

1958 Uncommon Omega Constellation “Jumbo” ref. 14396 w/ Cal. 505 – 37mm gold-capped case – freshly serviced – $2,160 shipped

Omega - 14396 · $2,160
This is a 1958 Omega Constellation 'Jumbo' ref. 14396 with a 37mm gold-capped case, housing the Cal. 505 movement, which was freshly serviced in August 2025. It features an original silver sunburst crosshair dial and correct decagon crown.

  • Condition: Excellent, with honest wear on the case
  • Case Size: 37mm diameter
  • Dial Type: Original silver sunburst crosshair dial
  • Movement Grade: Chronometer-grade
Posted at
Sep 9, 2025, 11:02 PM
Active
[WTS] 1969 Omega Constellation C-Shape Ref. 168.017 Linen Dial w/ Chronometer Cal. 564 Quickset Date, Serviced Sep 2025, $880 shipped

1969 Omega Constellation C-Shape Ref. 168.017 Linen Dial w/ Chronometer Cal. 564 Quickset Date, Serviced Sep 2025, $880 shipped

Omega - 168.017 · $880
This is a 1969 Omega Constellation C-shape featuring the chronometer-rated Caliber 564 with quickset date. It has an original silver linen dial in excellent condition and a 34.5mm stainless steel case with sharp edges and original brushed finishes intact.

  • Condition: Excellent
  • Caliber: Cal. 564
  • Movement Rating: chronometer-grade automatic
  • Case Size: 34.5mm diameter
Posted at
Sep 9, 2025, 9:31 AM
Active
[WTS] Omega Constellation Globemaster ref 130.33.39.21.03.001

Omega Constellation Globemaster ref 130.33.39.21.03.001

The Omega Globemaster Constellation features a blue pie-pan dial with a matching blue alligator strap and a tungsten coin-edge bezel, powered by Omega's latest cal 8900 Master Chronometer co-axial movement.

  • Condition: excellent pre-owned condition
  • Movement: cal 8900 Master Chronometer co-axial
  • Case size: 39mm diameter
Posted at
Sep 8, 2025, 1:38 PM
Active
[WTS] 1960 Omega Constellation Calendar Ref. 2943 - Serviced w/ Extras

1960 Omega Constellation Calendar Ref. 2943 - Serviced w/ Extras

Omega - 2943 · $1,450
This is a rare Omega Constellation Calendar, manufactured in 1960, with a caliber 504 movement. It comes with its original papers and two-tone beads of rice bracelet.

  • Condition: Great condition
  • Bracelet Condition: some issues (no end links, lug hole problem)
  • Movement Condition: astonishing condition
  • Box Condition: only outer top present
Posted at
Sep 6, 2025, 1:03 PM
Active
[WTS] 60s Omega Constellation Chronometer 168.005 | Cal. 564 | Dog Leg lugs, Beads-of-Rice Bracelet, Quickset Date, Onyx Dial | $1560 (SERVICED)

60s Omega Constellation Chronometer 168.005 | Cal. 564 | Dog Leg lugs, Beads-of-Rice Bracelet, Quickset Date, Onyx Dial | $1560 (SERVICED)

Omega - 168.005 · $1,590
A classic 1960s Omega Constellation Chronometer with a clean silver dial and iconic star at 6 o'clock, powered by the accurate Caliber 564 movement.

  • Condition: Excellent vintage condition
  • Movement: Caliber 564 — automatic, 24 jewels, COSC-rated chronometer, quickset date
  • Bracelet: Beads-of-rice bracelet with original links
  • Case dimensions: [object Object]
Posted at
Sep 6, 2025, 9:22 AM
Active
Vintage Omega Constellation Manhattan Automatic with Date [WTT] [WTS]

Vintage Omega Constellation Manhattan Automatic with Date [WTT]

A refined and elegant vintage Omega Constellation chronometer-certified automatic wristwatch in stainless steel, featuring an integrated bracelet and slim case profile.

  • Condition: Pre-owned, shows normal wear consistent with age
  • Case material: Stainless steel
  • Bracelet type: Integrated Omega stainless steel
  • Crystal material: Sapphire
Posted at
Sep 5, 2025, 9:37 PM
Active
[WTS] Omega Constellation 167.005

Omega Constellation 167.005

Omega - 167.005 · $870
The Omega Constellation 167.005 is a 36mm watch featuring the 551 movement, with a nice patina on the dial and an aftermarket bracelet that fits a 6.5in wrist.

  • Condition: Pre-owned with light scratches and wear marks
  • Case size: 36mm
  • Movement type: 551
  • Bracelet type: aftermarket
Posted at
Sep 5, 2025, 11:18 AM
Active
[WTS] Omega Constellation 167.021 Ultra-Thin Cal. 712 Chronometer –  Super Clean, €1000

Omega Constellation 167.021 Ultra-Thin Cal. 712 Chronometer – Super Clean, €1000

Omega - 167.021 · $1,000
A Omega Constellation 167.021 Ultra-Thin Cal. 712 Chronometer in excellent condition.

  • Condition: Super clean
  • Caliber: Cal. 712
Posted at
Sep 4, 2025, 5:34 PM
Active
[WTS] Omega constellation 1422

Omega constellation 1422

Omega - 1422 · $390
A Omega Constellation ref. 1422 is being sold with a worn condition but still keeping great time.

  • Condition: very worn
  • Shipping: continental US
  • Payment Methods: PayPal, cash (meet in person in Edinburg, Texas)
Posted at
Sep 3, 2025, 4:14 PM
Active