Omega Constellation Constellation Co-Axial 38 White Gold / Diamond / Black

Reference 123.55.38.21.51.001

Omega Constellation Co-Axial 38 White Gold / Diamond / Black

About this watch

The Omega Constellation Co-Axial 38 (model 123.55.38.21.51.001) is an epitome of luxury and sophistication, boasting an impeccable design with a white gold case, gem-set bezel, and rich black dial. The watch features a robust automatic movement, the Omega caliber 8501, which boasts precision and innovation, including a Co-Axial escapement that reduces friction and enhances longevity. With a power reserve of approximately 60 hours, this chronometer is reliable and accurate. Its stunning design combines elegance with functionality, making it perfect for everyday wear or formal occasions. The watch displays hours, minutes, seconds, and date, while its Dauphine hands glide smoothly over the dial, providing clear visibility. With a water resistance of up to 100 meters, you can enjoy swimming, snorkeling, or other water activities without worrying about your timepiece. As a statement piece, this Omega Constellation Co-Axial 38 carries with it a legacy of excellence and a promise of reliability, making it a worthy addition to any collection.
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Key Features

  • White gold case
  • Gem-set bezel
  • Automatic movement (Omega caliber 8501)
  • Co-Axial escapement
  • Chronometer accuracy
  • Water resistance up to 100 meters
  • Dauphine hands

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 38 White Gold / Diamond / Black
Reference
123.55.38.21.51.001
Movement
8501
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
White Gold 38mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Pie Pan Constellation 14902 62 SC

Omega Pie Pan Constellation 14902 62 SC

Omega - 14902 62 SC · $1,650
For sale a beautiful Omega Pie Pan constellation Dial outer layer cleaned Watch will be services upon payment with custom strap added

  • Dial condition: outer layer cleaned
Posted at
Dec 2, 2025, 11:49 AM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

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A very rare 1960s Omega Constellation Ref. 14393, produced in 18K rose gold, with a silver pie pan dial.

  • Condition: Beautiful condition
  • Material: 18K rose gold
  • Year: 1960s
Posted at
Dec 2, 2025, 10:07 AM
Active
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[WTS] 1962 Omega Constellation “Jumbo” ref. 14777 w/ cal. 561 – 37mm chronometer, serviced 11/2024 – $990 shipped

1962 Omega Constellation “Jumbo” ref. 14777 w/ cal. 561 – 37mm chronometer, serviced 11/2024 – $990 shipped

Omega - 14777 · $990
This 1962 Omega Constellation ref. 14777, also known as the 'jumbo' Connie, features a 37mm stainless-steel case and chronometer-rated cal. 561 movement. The watch has been fully serviced in November 2024 and is ready to wear.

  • Condition: Pre-owned
  • Case size: 37mm diameter
  • Movement rating: chronometer
  • Movement type: cal. 561 automatic
Posted at
Dec 1, 2025, 9:13 AM
Active
View listing on r/WatchExchange
[WTS] 1956 Omega Constellation pie-pan ref. 2852 cal. 505, white-gold arrowheads – serviced Apr 2025 – $995 shipped

1956 Omega Constellation pie-pan ref. 2852 cal. 505, white-gold arrowheads – serviced Apr 2025 – $995 shipped

Omega - 2852 · $995
This is a 1956 Omega Constellation ref. 2852, featuring a stainless-steel dog-leg case and a silver pie-pan crosshair dial with white-gold arrowhead markers. It's powered by the chronometer-rated cal. 505 automatic movement, which has been fully serviced in April 2025.

  • Condition: Poor cosmetic shape, honest wear and surface scratches from use
  • Caliber: 505
  • Movement type: Automatic Chronometer
  • Water resistance: Not waterproof, treat as vintage watch
Posted at
Dec 1, 2025, 9:00 AM
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View listing on r/WatchExchange
[WTS] Omega Constellation Automatic 🇨🇭 free shipping to USA

Omega Constellation Automatic 🇨🇭 free shipping to USA

Omega - Constellation Automatic · $1,000
This Omega Constellation Automatic is a beautiful 2-tone stainless steel and gold watch with a matching gold dial. It has been timegrapher checked and is running at -17spd.

  • Condition: great condition with minor signs of wear
  • Bracelet size adjustability: 7-8 inches
  • Case dimensions: 35mm diameter, 38mm lug to lug, 23mm lug width, 7mm thickness
  • Service history: unknown
Posted at
Nov 29, 2025, 9:03 PM
Active
View listing on r/WatchExchange
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