Omega Constellation Constellation Automatic 27.5 My Choice Stainless Steel / Grey

Reference 1591.51.00

About this watch

The Omega Constellation Automatic 27.5 My Choice exudes elegance and sophistication, blending classic elements with modern aesthetics to create a timeless design. Its round case, measuring 27.5 mm in diameter, is perfect for those who appreciate a more compact watch, while the sleek stainless steel construction adds a touch of sophistication. The grey dial is understated yet captivating, adorned with stick and dot indexes offering a minimalist look that's easy to read at a glance. Equipped with the Omega Caliber 2520, this watch boasts a self-winding movement that's both reliable and precise, featuring an analog display with straightforward hour, minute, and second hands complemented by a date function. The rhodium-plated finish on the movement enhances aesthetics while contributing to durability. The stainless steel case is robust, giving it the durability to withstand daily wear, protected by high-quality sapphire glass for scratch resistance.
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Key Features

  • Round 27.5mm stainless steel case
  • Grey dial with stick and dot indexes
  • Omega Caliber 2520 automatic movement
  • 42-hour power reserve
  • Analog display with date function
  • Rhodium-plated finish for durability
  • Sapphire glass for scratch resistance
  • 30m water resistance

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Automatic 27.5 My Choice Stainless Steel / Grey
Reference
1591.51.00
Movement
2520
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 27.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] Omega Constellation Pie Pan Ref. 168.005 with Original BoR Bracelet | Great Condition (Serviced) | $2700

Omega Constellation Pie Pan Ref. 168.005 with Original BoR Bracelet | Great Condition (Serviced) | $2700

Omega - 168.005 · $2,700
The Omega Constellation Pie Pan Ref. 168.005 is a quintessential 1960s dress watch that embodies Omega’s pursuit of precision and elegance during the golden age of Swiss watchmaking.

  • Condition: Great condition, serviced
  • Case size: 34.5mm diameter
  • Movement type: Automatic
  • Jewels: 24
Posted at
Jan 10, 2026, 10:00 PM
Active
[WTS] Omega Constellation Double Eagle Chronograph – Ref. 121.92.41.50.01.001 – 41mm – Complete Set – $2,599 Shipped

Omega Constellation Double Eagle Chronograph – Ref. 121.92.41.50.01.001 – 41mm – Complete Set – $2,599 Shipped

The Omega Constellation Double Eagle Chronograph features a 41mm titanium case and carbon fiber dial with integrated chronograph layout powered by Omega's co-axial chronometer movement.

  • Condition: Good overall with light, honest wear
  • Case material: titanium
  • Diameter: 41mm
Posted at
Jan 10, 2026, 9:22 PM
Active
[WTS] Omega Constellation 🌌 Gerald Genta

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Omega - Constellation · $850
This Omega Constellation is a classic watch from the Gerald Genta design era, known for its iconic style. It's a late 60s model that runs great and has been purchased at an estate sale.

  • Gerald genta design: true
Posted at
Jan 10, 2026, 5:07 PM
Active
[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