Omega Constellation Constellation Automatic 27.5 Stainless Steel / Red Gold / Diamond / MOP

Reference 1397.76.00

Omega Constellation Automatic 27.5 Stainless Steel / Red Gold / Diamond / MOP

About this watch

The Omega Constellation Automatic 27.5 is a luxurious timepiece that combines elegance with functionality, featuring a mother-of-pearl dial and gem-set indexes on a round case crafted from stainless steel and red gold. This self-winding movement, based on the reliable ETA 2000-1, boasts a power reserve of 42 hours and a frequency of 28,800 vibrations per hour for precision timekeeping. With its impressive water resistance of 100 meters and date display, this watch is perfect for both formal occasions and everyday wear. Its combination of durability and luxury makes it an investment in style and function, with a rich heritage as a brand known for quality, craftsmanship, and innovation.
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Key Features

  • Omega caliber 2520 self-winding movement
  • Stainless Steel and Red Gold case
  • Mother-of-pearl dial
  • Gem-set indexes and bezel
  • Sapphire crystal
  • 100m water resistance
  • Date display

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Automatic 27.5 Stainless Steel / Red Gold / Diamond / MOP
Reference
1397.76.00
Movement
2520
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
27.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation Day-Date Quartz • c.1980 Movement Rebuilt

Omega Constellation Day-Date Quartz • c.1980 Movement Rebuilt

Omega - Constellation Day-Date Quartz · $999
A classic Omega Constellation from the 1980s with a day-date display and slim quartz profile, featuring a recent quartz movement overhaul.

  • Condition: Set watch only, case in good vintage condition with wear
  • Movement Status: quartz movement recently overhauled and running properly
  • Case Condition: good vintage condition with wear
Posted at
Mar 14, 2026, 12:40 PM
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[WTS] 1962 Omega 18k Solid Gold Constellation 167005 /6 - Cal 551 - Pie Pan - Dog Legs

1962 Omega 18k Solid Gold Constellation 167005 /6 - Cal 551 - Pie Pan - Dog Legs

Omega - 167005/6 · $4,750
This exceptional Omega Constellation features a classic 34mm solid gold case with a stunning gold pie-pan dial and an original calibre 551 movement. The watch has been freshly serviced by our watchmaker and is running reliably.

  • Condition: unpolished, sharp condition retaining factory bevels
  • Case size: 34mm diameter
  • Case material: 18k solid yellow gold
  • Dial condition: original, stunning condition
Posted at
Mar 13, 2026, 7:03 PM
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[WTS] Omega Constellation 33mm 18kYG 166052/168033

Omega Constellation 33mm 18kYG 166052/168033

Omega - 166052/168033 · $4,100
A Omega Constellation watch with a 33mm case size, available for sale.

  • Case Diameter: 33mm
  • Lug To Lug: 39mm
  • Lug Width: 19mm
Posted at
Mar 13, 2026, 2:51 PM
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[WTS] Omega Constellation Pie Pan Steel Ref. 168.005 | Great Dial, Sharp Case | Dog-leg Lugs | All Original | $2400 (SERVICED)

Omega Constellation Pie Pan Steel Ref. 168.005 | Great Dial, Sharp Case | Dog-leg Lugs | All Original | $2400 (SERVICED)

Omega - 168.005 · $2,400
This vintage Omega Constellation has a 'Pie Pan' dial with faceted edges and bold applied markers, making it a design icon of the mid-century era.

  • Condition: Serviced, excellent condition
  • Case Diameter: 34mm
  • Thickness: ~11mm
  • Lug To Lug: 43.5mm
Posted at
Mar 13, 2026, 12:00 PM
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[WTS] Excellent Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped + Duties Covered

Excellent Omega Steel ‘Pie Pan’ Constellation Dog-Legged Lugs Onyx Markers - Ref. 168.005 - Caliber 561 Automatic Date - From 1966 - $2500 Shipped + Duties Covered

Omega - 168.005 · $2,500
This is a classic Omega Constellation 'Pie Pan' in steel with a sunburst dial, running the caliber 561 automatic movement.

  • Condition: Excellent, unpolished and untouched with only light honest marks
  • Movement: Caliber 561 automatic date
  • Case size (excluding crown): 35mm
  • Lug style: Dog-legged lugs
Posted at
Mar 12, 2026, 11:20 AM
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[WTS] Mint Omega Gold-Capped Constellation White Sunburst Dial - Ref. 168.018 - Caliber 564 Chronometer Automatic Date - From 1969 - $2300 Shipped + Duties Covered!

Mint Omega Gold-Capped Constellation White Sunburst Dial - Ref. 168.018 - Caliber 564 Chronometer Automatic Date - From 1969 - $2300 Shipped + Duties Covered!

Omega - 168.018 · $2,300
This Omega Constellation features a gold-capped case design with a sunburst dial and thick hour markers. The watch is in exceptional condition with no flaws, retaining its original brushing and textures.

  • Condition: Mint, new-old-stock
  • Movement: Caliber 564 Chronometer Automatic Date
  • Size: 35mm diameter (excluding the crown)
  • Year: 1969
Posted at
Mar 12, 2026, 11:19 AM
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[WTS] 1971 Omega Constellation ref. 168.0056 w/ Cal. 1011 on original Omega brick bracelet – clean original dial – $1,250 shipped

1971 Omega Constellation ref. 168.0056 w/ Cal. 1011 on original Omega brick bracelet – clean original dial – $1,250 shipped

Omega - 168.0056 · $1,250
A vintage Omega Constellation ref. 168.0056 from 1971, powered by the Cal. 1011 automatic movement and featuring a clean original dial, unpolished C-case, and original Omega brick bracelet.

  • Condition: Pre-owned with minor hairline scratches on the case
  • Movement: Omega Cal. 1011 automatic, chronometer-certified
  • Case size: 35mm without crown
  • Lug width: 19mm
Posted at
Mar 12, 2026, 8:42 AM
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[WTS] Omega 2852-11-SC — Constellation Chronometer Arrowhead & Flat-Domed Crosshair Dial (1958) — Cal. 505 (Fresh Service) — Original BoR Bracelet — $2,400 Shipped

Omega 2852-11-SC — Constellation Chronometer Arrowhead & Flat-Domed Crosshair Dial (1958) — Cal. 505 (Fresh Service) — Original BoR Bracelet — $2,400 Shipped

Omega - 2852-11-SC · $2,200
This Omega Constellation ref. 2852-11-SC features a classic early Constellation design with an arrowhead dial and is powered by the chronometer-certified Cal. 505 automatic movement. The watch comes on its original beads-of-rice bracelet.

  • Condition: Pre-owned, with honest signs of wear consistent with age
  • Case Size: 34.5mm x 42mm diameter
  • Thickness: 11.5mm
  • Lug Width: 18mm
Posted at
Mar 11, 2026, 10:17 PM
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[WTS] Omega Constellation Globemaster Annual Calendar Box & Papers

Omega Constellation Globemaster Annual Calendar Box & Papers

Omega - Constellation Globemaster Annual Calendar · $60,000
The Omega Constellation Globemaster Annual Calendar features a sunburst grey dial with applied hour markers and a fluted bezel. It is powered by the Co-Axial Master Chronometer Caliber 8922, delivering outstanding precision and resistance to magnetic fields up to 15,000 gauss.

  • Condition: Great pre-owned condition with light signs of careful wear
  • Movement caliber: Co-Axial Master Chronometer Caliber 8922
  • Bracelet material: stainless steel
Posted at
Mar 9, 2026, 9:39 AM
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