Omega Constellation Constellation Automatic 27.5 My Choice Stainless Steel / Diamond / MOP Iris

Reference 1591.71.00

About this watch

The Omega Constellation Automatic 27.5 My Choice is a stunning timepiece that exudes elegance and precision. Its round shape with a compact diameter of 27.5 mm makes it an ideal accessory for both everyday wear and special occasions. The Mother of Pearl dial adds a unique touch, shimmering softly with every movement. The diamond accents elevate the luxury factor, making this watch a true eye-catcher. At its heart lies the Omega caliber 2520, a self-winding movement that offers precision and durability. With a frequency of 28,800 vibrations per hour and a 42-hour power reserve, this watch is perfect for those who may not wear it every day. The stainless steel bracelet is crafted for comfort, wrapping around your wrist like a gentle hug. This model combines classic design with modern functionality, making it a timeless piece that any watch enthusiast would be proud to wear.
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MSRP: $2,350
Market Price: $1,177

Key Features

  • Omega caliber 2520 self-winding movement
  • Stainless Steel and Mother of Pearl construction
  • 30 meters water resistance
  • 42-hour power reserve
  • Round shape with compact 27.5 mm diameter
  • Diamond accents for added luxury
  • Comfortable stainless steel bracelet

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Automatic 27.5 My Choice Stainless Steel / Diamond / MOP Iris
Reference
1591.71.00
Movement
2520
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 27.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] Omega Constellation Globemaster – New – 2025

Omega Constellation Globemaster – New – 2025

The Omega Constellation Globemaster features a modern design with a coin-edge bezel and classic pie-pan dial inspired by original Constellation models of the 1950s, powered by Omega's Co-Axial Master Chronometer Caliber 8900.

  • Condition: Unworn/New
  • Case size: 39mm
  • Material: stainless steel
  • Diameter: 39mm
Posted at
Dec 16, 2025, 12:54 PM
Active
[WTS] Omega Constellation 2-Tone Automatic 🇨🇭

Omega Constellation 2-Tone Automatic 🇨🇭

This beautiful Omega Constellation Automatic is a 2-tone stainless steel and gold watch with a matching gold dial. It has a stainless steel bracelet that can fit wrists up to 8 inches in diameter.

  • Condition: Great condition with minor signs of wear
  • Case diameter: 35mm (without crown)
  • Lug to lug: 38mm
  • Lug width: 23mm
Posted at
Dec 14, 2025, 9:08 PM
Active
[WTS] Omega Constellation 168.017 (1966)

Omega Constellation 168.017 (1966)

Omega - 168.017 · $900
This Omega Constellation features a beautiful original 'C-Shape' dial and is accompanied by its genuine Omega 518 brick bracelet.

  • Condition: Good condition overall
  • Movement: Cal. 561
  • Bracelet: Genuine Omega 518 brick bracelet
Posted at
Dec 12, 2025, 10:03 AM
Active
[WTS] REDUCED Omega Constellation Gold Cap ( REF:168.018 ) $750 Shipped.....

REDUCED Omega Constellation Gold Cap ( REF:168.018 ) $750 Shipped.....

Omega - 168.018 · $750
A beautiful example of the classic Omega Constellation Automatic Chronometer from the late 1960s. It features an original silver sunburst dial with applied gold markers and date at 3 o'clock, a gold-capped stainless steel case (34mm), and an iconic Observatory medallion on the caseback.

  • Condition: Excellent condition, freshly serviced
  • Case size: 34mm diameter
  • Movement: Caliber 561
  • Crystal: Acrylic crystal
Posted at
Dec 12, 2025, 8:28 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 is a sophisticated timepiece that celebrates the enduring legacy of OMEGA's iconic Constellation collection, featuring a distinctive stainless steel and yellow gold case with Roman numerals on a polished bezel.

  • Condition: VERY GOOD, with some light scratches on bracelet
  • Case material: stainless steel and yellow gold
  • Bracelet size: ~7" wrist
Posted at
Dec 12, 2025, 1:09 AM
Active
[WTS] 1971 Omega Constellation C-Case ref. 168.0056, gold-capped chronometer cal. 1011 – serviced Oct 2025 – $975 shipped

1971 Omega Constellation C-Case ref. 168.0056, gold-capped chronometer cal. 1011 – serviced Oct 2025 – $975 shipped

Omega - 168.0056 · $975
A 1971 Omega Constellation C-Case chronometer with a gold-capped stainless steel case, solid gold bezel, and warm champagne dial.

  • Condition: Excellent condition with normal wear from honest use
  • Caliber: Omega cal. 1011
  • Movement Service Date: Oct 2025
  • Case Dimensions: 40mm diameter
Posted at
Dec 11, 2025, 4:07 PM
Active
[WTS] Omega Constellation super nice condition, complete bracelet. Cal. 751 ref. 168.045. Complete bracelet. Shipping from El Salvador, price inculdes shipping, custom fees. No trades. $1200 - find me on IG as Boldervintage.

Omega Constellation super nice condition, complete bracelet. Cal. 751 ref. 168.045. Complete bracelet. Shipping from El Salvador, price inculdes shipping, custom fees. No trades. $1200 - find me on IG as Boldervintage.

Omega - 168.045 · $1,200
This Omega Constellation is complete with its original bracelet, offering a stylish and premium accessory for any watch enthusiast.

  • Condition: super nice condition
  • Shipping Included: true
  • Custom Fees Included: true
Posted at
Dec 11, 2025, 12:39 PM
Active
[WTS] Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega - 14393 · $8,000
This is a very rare 1960s Omega Constellation Ref. 14393 in 18K rose gold, one of the harder to find variants due to its limited production.

  • Material: 18K rose gold
  • Production Year: 1960s
Posted at
Dec 10, 2025, 11:25 AM
Active