Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet

Reference 231.20.39.21.55.001

About this watch

The Omega Seamaster Aqua Terra 231.20.39.21.55.001 is a masterpiece of luxury watchmaking that combines elegance and robust functionality. Its Mother of Pearl dial changes hues with different lighting, adding an element of depth and intrigue. The combination of red gold and stainless steel gives it a luxurious feel, making it a statement piece for any outfit. At the heart of this magnificent watch lies the Omega caliber 8500, introduced in 2007, which has earned accolades for its reliability and precision. With a frequency of 25,200 vibrations per hour and a power reserve of up to 60 hours, it ensures your timepiece keeps ticking even after a weekend away from your wrist. The watch features a sapphire crystal resistant to scratches and impacts, ensuring that your watch remains pristine even after years of wear. Measuring 38.50 mm in diameter, this Omega watch fits comfortably on the wrist, striking a balance between being bold and understated.
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MSRP: $10,000
Market Price: $4,571

Key Features

  • Omega caliber 8500 movement
  • Mother of Pearl dial with changing hues
  • Sapphire crystal for scratch resistance
  • Water resistance of 150 meters
  • Red gold and stainless steel combination
  • Chronometer certified
  • Power reserve of up to 60 hours

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet
Reference
231.20.39.21.55.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 220.10.41.21 Black Dial 41mm Full Kit 2023 - $4,350

Omega Aqua Terra 220.10.41.21 Black Dial 41mm Full Kit 2023 - $4,350

Omega - 220.10.41.21 · $4,350
This Omega Seamaster Aqua Terra measures at 41mm with a Calibre OMEGA 8900 automatic movement.

  • Condition: Very good condition, minor marks/hairlines on the case
  • Movement: Calibre OMEGA 8900 automatic movement
  • Case size: 41mm diameter
  • Water resistance: 150m
Posted at
Jan 5, 2026, 9:32 PM
Active
[WTS] 2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4500 + Label

2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4500 + Label

The Omega Seamaster Aqua Terra Shades Collection is a tribute to OMEGA's maritime heritage, featuring a symmetrical case with polished stainless steel and a wave-edged design on the back.

  • Condition: Lightly worn
  • Case size: 38mm diameter
  • Dial color: Saffron
  • Bracelet material: Polished and brushed stainless steel
Posted at
Jan 5, 2026, 1:36 PM
Active
[WTS] 2023 Omega Aqua Terra Worldtimer 220.12.43.22.03.001 Full Kit

2023 Omega Aqua Terra Worldtimer 220.12.43.22.03.001 Full Kit

A 2023 Omega Aqua Terra Worldtimer with a 43mm size, automatic Master Chronometer movement, blue dial, and sapphire crystal.

  • Condition: Great condition overall, minimal wear on bezel and stainless steel case.
  • Size: 43mm diameter
  • Location: U.S. / Georgia
  • Movement: automatic Master Chronometer
Posted at
Jan 4, 2026, 2:56 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Aqua Terra 150m Blue, a stainless steel watch with a 7.25" bracelet and features 3 watch cards.

  • Bracelet length: 7.25 inches
Posted at
Jan 4, 2026, 12:45 PM
Active
[WTS] Omega Seamaster Aqua Terra - Silver Wave - 2024

Omega Seamaster Aqua Terra - Silver Wave - 2024

Omega - 23110422102006 · $4,350
Aqua Terra 'Silver Wave' watch featuring a silver wave pattern dial, rhodium-plated hands and indexes in a 41.5mm stainless steel case.

  • Case size: 41.5mm
  • Water resistance: 150M / 15 bar
  • Power reserve: 60 hours
Posted at
Jan 4, 2026, 12:37 PM
Active
[WTS] Omega Seamaster Aqua Terra Blue Teak Dial 231.10.42.21.03.003 – Worn by 007 James Bond in Spectre & No Time to Die

Omega Seamaster Aqua Terra Blue Teak Dial 231.10.42.21.03.003 – Worn by 007 James Bond in Spectre & No Time to Die

This Omega Seamaster Aqua Terra features a blue teak-patterned dial that changes shades depending on light. It is powered by the Master Co-Axial movement and has been featured in two James Bond films.

  • Condition: Pre-owned with scratches, scuffs/dings on the case, bezel, and bracelet; some end-link gap play
  • Movement: Master Co-Axial
  • Diameter: 41.5mm
Posted at
Jan 3, 2026, 7:26 PM
Active
[WTS] 2025 Omega Aqua Terra 150M 41mm Turquoise Gradient, Ceramic Bezel (220.32.41.21.03.001)

2025 Omega Aqua Terra 150M 41mm Turquoise Gradient, Ceramic Bezel (220.32.41.21.03.001)

The Omega Aqua Terra is a tribute to the brand's maritime heritage, featuring a symmetrical stainless-steel case with a brushed ceramic bezel and a wave-edged screw-in caseback. The watch boasts a lacquered turquoise dial with a black gradient effect and facetted hands.

  • Condition: Excellent plus condition
  • Case material: stainless steel
  • Bezel material: ceramic
  • Diameter: 41mm
Posted at
Jan 3, 2026, 2:06 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement and is water resistant up to 150m.

  • Calibre: Calibre 8500 Co-Axial
  • Bracelet length: 7.25 inches
  • Case size: 38.5mm
Posted at
Jan 3, 2026, 12:25 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.01.001

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.01.001

This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement, a 38.5mm case, and a 7.25 inch bracelet.

  • Case size: 38.5mm diameter
  • Water resistance: 150m
Posted at
Jan 3, 2026, 11:36 AM
Active