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

Reference 231.23.39.21.55.001

About this watch

When it comes to luxury watches, few brands resonate with enthusiasts quite like Omega. Known for their precision and craftsmanship, Omega has carved out a niche that combines elegance with functionality. The Seamaster Aqua Terra line is a testament to Omega's commitment to quality. With its sporty yet sophisticated look, this watch can seamlessly transition from a day at the office to a night out. Founded in 1848, Omega has a rich history that includes being the official timekeeper of the Olympic Games and the first watch on the moon. This watch is crafted from a beautiful combination of Red Gold and Stainless Steel, giving it a luxurious yet robust feel. The Mother of Pearl dial adds a touch of elegance, catching the light in mesmerizing ways. With a round case diameter of 38.5 mm, it’s a perfect size for both men and women, striking that coveted balance between boldness and subtlety. The Aqua Terra family is often associated with versatility, boasting water resistance up to 150 meters. This watch is like that friend who can pull off any outfit! Let’s talk about the aesthetics of this beautiful timepiece. After all, a watch isn’t just about functionality—it’s also a fashion statement. The Mother of Pearl dial is truly the star of the show, with its shimmering surface changing color depending on the light. With a certified chronometer movement, this watch has passed rigorous tests for accuracy and precision. It’s like a badge of honor that ensures your watch will keep perfect time.
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Key Features

  • Automatic Omega caliber 8500 movement
  • Red Gold and Stainless Steel construction
  • Water resistance up to 150 meters
  • Mother of Pearl dial with shimmering surface
  • Certified chronometer movement
  • 60-hour power reserve
  • Scratch-resistant sapphire crystal

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP
Reference
231.23.39.21.55.001
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 Seamaster Aqua Terra 39mm. Box & paper

Omega Seamaster Aqua Terra 39mm. Box & paper

Omega - 2503.30.00 · $2,700
A super clean Omega Seamaster Aqua Terra 150M in the highly desirable 39.2mm case size, featuring a stunning sunray silver dial and chronometer-certified Calibre 2500 Co-Axial movement.

  • Condition: Excellent
  • Case Diameter: 39.2mm
  • Water Resistance: 150m (500ft)
  • Power Reserve: 48 hours
Posted at
Apr 28, 2026, 4:59 PM
Active
[WTS] 2021 Omega Aqua Terra Ref# 220.12.41.21.02.001

2021 Omega Aqua Terra Ref# 220.12.41.21.02.001

The Omega Aqua Terra is a versatile watch with a 41mm case, silver dial with teak pattern, and orange accents. It's powered by an in-house Co-Axial Master Chronometer movement delivering exceptional accuracy and anti-magnetic resistance.

  • Condition: Good, professionally polished April 2026
  • Year: 2021
  • Size: 41mm diameter
  • Power reserve: 60 hours
Posted at
Apr 28, 2026, 4:37 PM
Active
[WTS] Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,250

Omega Seamaster Aqua Terra Skyfall 231.10.39 38.5mm - $3,250

Up for sale is my great condition Omega Seamaster Aqua Terra 'Skyfall' with a Calibre OMEGA 8500 automatic movement and a steel case.

  • Condition: Great condition, minimal marks/hairlines on the case back and some smudging/scratches present on the AR coating
  • Case size: 39mm diameter
  • Movement type: Calibre OMEGA 8500 automatic
  • Bracelet type: original steel Omega steel bracelet
Posted at
Apr 27, 2026, 9:04 PM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm  - $2,890

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,890

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001, measuring at 38.5mm with an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition for its age, with minimal marks/hairlines
  • Movement: Omega Calibre 8500
  • Case size: 38.5mm diameter
  • Bracelet: Original Omega steel bracelet
Posted at
Apr 27, 2026, 8:58 PM
Active
[WTS] Omega Aqua Terra 38.5MM 231.10.39.21.02.001 | 2017 Full Set reserved for u/Icy-Mastodon7192

Omega Aqua Terra 38.5MM 231.10.39.21.02.001 | 2017 Full Set reserved for u/Icy-Mastodon7192

This Omega Aqua Terra is a full set from 2017, featuring a 38.5MM case.

  • Condition: Excellent Pre-Owned Condition
  • Case diameter: 38.5MM
Posted at
Apr 27, 2026, 7:48 PM
Active
[WTS] Omega Seamaster Aqua Terra 220.10.41.21.06.001 Grey Dial Full Set

Omega Seamaster Aqua Terra 220.10.41.21.06.001 Grey Dial Full Set

The Omega Seamaster Aqua Terra Ref. 220.10.41.21.06.001 is a stainless steel watch with a grey teak dial and automatic movement, featuring a 41 mm case.

  • Condition: Very good
  • Case size: 41 mm
  • Material: stainless steel
  • Bracelet: stainless steel bracelet
Posted at
Apr 27, 2026, 1:44 PM
Active
[WTS] Omega Aqua Terra 39mm Automatic

Omega Aqua Terra 39mm Automatic

Omega - 2503.80 · $2,400
Up for sale is my Omega Aqua Terra 39mm Automatic watch, which sports a stunning blue dial and beautifully polished indices.

  • Condition: Great condition
  • Diameter: 39mm
Posted at
Apr 27, 2026, 10:28 AM
Active
[WTS] Omega Seamaster Aqua Terra 2503.33  - $2,750

Omega Seamaster Aqua Terra 2503.33 - $2,750

Omega - 2503.33 · $2,750
Up for sale is the Omega Seamaster Aqua Terra 2503.33, measuring 39mm and featuring an automatic movement.

  • Condition: Very good condition
  • Case size: 39mm diameter
  • Movement type: Omega 2500 automatic
  • Bracelet material: Steel
Posted at
Apr 26, 2026, 10:02 PM
Active
[WTS] Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega - 2504.50 · $2,490
This watch measures 36mm and has an automatic movement. The Omega Seamaster Aqua Terra features a steel case on an original Omega Steel bracelet.

  • Condition: 8.9/10 great condition with minimal patina on dial indices and hands
  • Case size: 36mm diameter
  • Bracelet type: Steel original Omega bracelet
  • Crystal type: Sapphire crystal
Posted at
Apr 26, 2026, 9:59 PM
Active