Omega Constellation Constellation Co-Axial 38 Stainless Steel / Yellow Gold / Silver Slik

Reference 123.20.38.21.02.006

About this watch

When it comes to luxury watches, few brands stand out like Omega. Known for their precision, style, and innovation, Omega has a legacy that dates back to the 19th century. Among their impressive lineup, the Omega Constellation Co-Axial 38 (Model: 123.20.38.21.02.006) combines stunning aesthetics with exceptional mechanical performance. The Omega Constellation series is iconic, often recognized for its classic design and robust engineering. This watch features a blend of stainless steel and yellow gold, which not only enhances its visual appeal but also signifies luxury. With a 38mm diameter, it strikes a perfect balance between being bold yet understated. At the heart of the Constellation Co-Axial 38 is the Omega caliber 8500, a movement that has earned significant respect in the watch community. Introduced in 2007, this automatic movement features a Co-Axial escapement, a technology that enhances precision and reduces friction between components. This means not only better accuracy but also less maintenance over time. As a chronometer, the Omega Constellation Co-Axial 38 has undergone rigorous testing to ensure it meets the high standards set by the Swiss Official Chronometer Testing Institute (COSC). This certification guarantees accuracy within a few seconds per day, making it a reliable companion for anyone who values punctuality. The watch features a date function, water resistance of 100 meters, and an adjustable bracelet for a personalized fit. With its rich history and advanced technology, this watch is sure to become a cherished part of your collection for years to come.
Buy Now on Jomashop
This is an affiliate link
MSRP: $8,850
Market Price: $3,703

Key Features

  • Omega caliber 8500 automatic movement
  • Co-Axial escapement with enhanced precision and reduced maintenance
  • Chronometer certification from COSC
  • Date function at 3 o'clock
  • 100m water resistance
  • Adjustable bracelet for personalized fit

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co-Axial 38 Stainless Steel / Yellow Gold / Silver Slik
Reference
123.20.38.21.02.006
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Globemaster – 39mm Blue Pie Pan Dial – Set

Omega Constellation Globemaster – 39mm Blue Pie Pan Dial – Set

The Omega Constellation Globemaster features a 39mm stainless steel case, coin-edge bezel, and classic pie-pan dial inspired by original Constellation models of the 1950s.

  • Case size: 39mm
  • Diameter: 39mm
Posted at
Jan 9, 2026, 7:58 PM
Active
[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega - 168.017 · $775
A 1969 Omega Constellation C Shape reference 168.017 featuring a stainless steel case and automatic movement calibre 564.

  • Condition: Great, minor hairline scratches
  • Case size: 35mm diameter
  • Movement: Calibre 564 automatic
Posted at
Jan 9, 2026, 8:05 AM
Active
[WTS] Omega Constellation Crosshair Dial 14381-11 SC | Great Original Condition (Serviced) | $1750

Omega Constellation Crosshair Dial 14381-11 SC | Great Original Condition (Serviced) | $1750

Omega - 14381-11 SC · $1,810
The Omega Constellation Ref. 14381-11 SC is a fine example from one of Omega’s most respected design periods. Produced around 1959 to 1961, this model represents the golden age of mid-century Swiss watchmaking.

  • Condition: Great original condition, recently serviced
  • Case size: 34.5 mm × 43.5 mm
  • Dial condition: clean and crisp, light patina dot on the dial
  • Movement type: chronometer-certified automatic
Posted at
Jan 7, 2026, 10:27 PM
Active
[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
Active
[WTS] Omega Constellation 168.017 (1966)

Omega Constellation 168.017 (1966)

Omega - 168.017 · $900
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
Active
[WTS] OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

The OMEGA Constellation Ref. 123.20.35.20.06.001 features a distinctive stainless steel and yellow gold case with Roman numeral-engraved bezel, a captivating grey dial with date window at 3 o'clock, and an integrated yellow gold and stainless steel bracelet.

  • 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
Active
[WTS] Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega - 14393 · $5,575
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
Posted at
Jan 1, 2026, 7:47 PM
Active