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 Constellation Gold Filled Reference 14902 SERVICED

Omega Constellation Gold Filled Reference 14902 SERVICED

Omega - 14902 · $1,450
A vintage Omega Constellation Pie Pan from 1966 in good condition, serviced recently.

  • Condition: Good condition with wear and aging on the dial
  • Case Width: 34mm
  • Year: 1966
Posted at
May 8, 2026, 12:52 PM
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[WTS] 1966 Omega Constellation Piepan "Meister" cosigned dial

1966 Omega Constellation Piepan "Meister" cosigned dial

Omega - Constellation Piepan
Additional details are provided, but no description of the watch itself is available.

Posted at
May 7, 2026, 10:46 PM
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[WTS] Omega Constellation Gold Pie Pan $2100

Omega Constellation Gold Pie Pan $2100

Omega - 168.005 · $2,100
A classic early-60s Constellation with an iconic pie-pan dial and clean case, perfectly representing Omega's chronometer design language at its peak.

  • Condition: Excellent with all original parts
  • Case material: Gold Cap case
  • Dial description: Pie-pan dial
  • Dimensions width: 34.5 mm (excluding crown)
Posted at
May 7, 2026, 4:34 PM
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[WTS] Omega Constellation Manhattan Day Date Gold & Stainless - GET YOUR MET GALA ON Just $995 SHIPPED

Omega Constellation Manhattan Day Date Gold & Stainless - GET YOUR MET GALA ON Just $995 SHIPPED

Omega - Constellation Manhattan Day Date · $995
A vintage Omega Constellation Manhattan with a crisp white dial and gold dot markers. The watch features an integrated bracelet and a Swiss quartz movement with quickset date.

  • Condition: Pre-owned, unpolished, with age-related wear
  • Diameter: 33mm
  • Bracelet size: approximately 7.25 inches
  • Movement type: Swiss quartz movement with quickset date
Posted at
May 6, 2026, 10:00 PM
Active
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[WTS] 1973 Omega Constellation ref. 168.0057 w/ Cal. 1021 – Serviced, 35mm gold-capped case, original 1040 bracelet – $1,375

1973 Omega Constellation ref. 168.0057 w/ Cal. 1021 – Serviced, 35mm gold-capped case, original 1040 bracelet – $1,375

Omega - 168.0057 · $1,375
A 1973 Omega Constellation ref. 168.0057, powered by the automatic chronometer Cal. 1021 with quick-set day-date, and comes on its original Omega brick bracelet ref. 1040.

  • Condition: Very good condition with normal wear from age
  • Movement caliber: Cal. 1021
  • Bracelet size: fits up to approx. 7.25" wrist
Posted at
May 6, 2026, 9:15 AM
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Tiltle: [WTS] 1963 Omega Constellation Pie Pan Ref. 168.005 | Caliber 561 | Dog-Leg Lugs | Tritium Dial | All Original | $2200 (SERVICED)

Tiltle: 1963 Omega Constellation Pie Pan Ref. 168.005 | Caliber 561 | Dog-Leg Lugs | Tritium Dial | All Original | $2200 (SERVICED)

Omega - 168.005 · $2,200
A 1963 Omega Constellation Pie Pan with a silver sunburst dial, applied gold faceted indices, and a Chronometer-rated Caliber 561 automatic movement.

  • Condition: Excellent vintage condition
  • Movement: Serviced Automatic Chronometer-rated Caliber 561
  • Dial: Original Silver Sunburst Pie Pan dial
  • Case: 34.5mm Gold-capped construction with 42.5mm lug-to-lug and ~11mm thickness
Posted at
May 5, 2026, 9:38 AM
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[WTS] 1959 Omega Constellation 14381 Cal. 551 — Crosshair Pie-Pan, Original Ω-Signed Crystal & 12-Notch Crown — $2,795 shipped CONUS

1959 Omega Constellation 14381 Cal. 551 — Crosshair Pie-Pan, Original Ω-Signed Crystal & 12-Notch Crown — $2,795 shipped CONUS

Omega - 14381-7 SC · $2,795
This is a rare 1959 Omega Constellation Chronometer, ref. 14381-7 SC, Cal. 551 automatic watch with an early crosshair pie-pan variant dial and original Ω-signed crystal and crown.

  • Condition: Light surface wear consistent with age
  • Year: 1959
  • Caliber: Omega 551 (base 550)
  • Jewels: 24
Posted at
May 4, 2026, 1:09 AM
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[WTS] Omega Constellation 168.001 "Jumbo" 37MM Gold Capped - $2,400

Omega Constellation 168.001 "Jumbo" 37MM Gold Capped - $2,400

Omega - 168.001 · $2,400
  • Condition: Excellent condition for a watch >60 years old
  • Movement Type: Calibre 561 Automatic Chronometer
  • Case Size: 37MM (~45MM Lug-to-Lug)
  • Lug Width: 19mm
Posted at
May 3, 2026, 12:49 PM
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[WTS] Rare Omega Constellation Pie Pan Ref. 167.005 | Rose Gold Cap | No Date | Cal. 551 Chronometer | Great Condition | All Original | $2800 (SERVICED)

Rare Omega Constellation Pie Pan Ref. 167.005 | Rose Gold Cap | No Date | Cal. 551 Chronometer | Great Condition | All Original | $2800 (SERVICED)

Omega - 167.005 · $2,800
A rare Omega Constellation Pie Pan Ref. 167.005 with a Rose Gold Cap finish and Cal. 551 chronometer-rated movement. This watch features a clean No Date configuration with a silver sunburst dial and multifaceted Rose Gold markers.

  • Condition: Serviced, great condition, all original
  • Movement: Omega Caliber 551 Automatic Chronometer (24 Jewels)
  • Case: 34.5mm Rose Gold Cap over stainless steel
  • Dial: Original silver sunburst Pie Pan (No Date) with Rose Gold indices and hands
Posted at
May 3, 2026, 9:45 AM
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