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 Aqua Terra 2504.50 // 36mm // 150m WR // 2025 Full Service

Omega Aqua Terra 2504.50 // 36mm // 150m WR // 2025 Full Service

Omega - 2504.50 · $2,725
The Omega Aqua Terra is a modern classic with a black dial and co-axial movement, suitable for various activities.

  • Condition: Great, light hairlines throughout but no major blemishes to note
  • Case material: stainless steel
  • Case diameter: 36.2mm
  • Lug-to-lug: 44mm
Posted at
Jan 17, 2026, 8:12 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 listing is for an Omega Seamaster Aqua Terra 150m with Calibre 8500 Co-Axial movement, featuring a 38.5mm case size and a 7.25-inch long bracelet.

  • Depth rating: 150m
  • Bracelet length: 7.25 inches
Posted at
Jan 17, 2026, 5:59 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

Omega Seamaster Aqua Terra 150m, a 38.5mm quartz watch with a 7.25 inch bracelet.

  • Water resistance: 150m
  • Movement type: Quartz
Posted at
Jan 17, 2026, 5:54 PM
Active
[WTS] Omega Seamaster Aqua Terra Reference 2503.80.00 Box & Papers

Omega Seamaster Aqua Terra Reference 2503.80.00 Box & Papers

Omega - 2503.80.00 · $3,800
A 2006 Omega Seamaster Aqua Terra in good preowned condition, functions as it should and keeps excellent time at around +1 sec/day.

  • Condition: 8/10 - good preowned condition with signs of normal use
  • Case diameter: 39.2mm
  • Movement: Omega 2500 (Chronometer)
  • Water resistance: 150m
Posted at
Jan 17, 2026, 5:14 PM
Active
[WTS] Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,395 Shipped

Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,395 Shipped

Omega - 2504.30 · $2,395
The Omega Seamaster Aqua Terra features a beautiful sunburst, silver dial and compact 36mm case diameter. It's a perfect all-rounder with lovely proportions.

  • Condition: very good condition with minimal wear
  • Case Diameter: 36mm
  • Movement: Omega Co-axial 2500
Posted at
Jan 17, 2026, 4:40 PM
Active
[WTS] 2025 OMEGA Seamster Aqua Terra 41mm 150M – Green Teak Wood Dial - Full Set

2025 OMEGA Seamster Aqua Terra 41mm 150M – Green Teak Wood Dial - Full Set

A 2025 OMEGA Seamaster Aqua Terra 41mm watch features a green teak wood dial and is fully set, including an international warranty.

  • Condition: Excellent with minor wear
  • Case Size: 41mm diameter
  • Lug To Lug: 47.9mm
  • Thickness: 13.2mm
Posted at
Jan 17, 2026, 3:41 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M 38.5mm Blue “Teak” Dial - James Bond Spectre| Ref.231.10.39.21.03.002 | Full Set | Mint Condition

Omega Seamaster Aqua Terra 150M 38.5mm Blue “Teak” Dial - James Bond Spectre| Ref.231.10.39.21.03.002 | Full Set | Mint Condition

The Omega Seamaster Aqua Terra 150M reference 231.10.39.21.03.002 is a sporty and refined watch that sits ideally between versatility and wrist presence, measuring 38.5 mm in size.

  • Condition: Mint Condition
  • Case size: 38.5mm
  • Depth rating: 150m
  • Movement: Omega Co-Axial calibre 8500 with 60-hour power reserve
Posted at
Jan 17, 2026, 12:36 PM
Active
[WTS] 2022 Omega Seamaster Aqua Terra Golf 42mm 220.10.41.21.02.001 Full set

2022 Omega Seamaster Aqua Terra Golf 42mm 220.10.41.21.02.001 Full set

2022 Omega Seamaster Aqua Terra Golf 42mm, a high-end watch designed for golfers.

  • Size: 42mm
Posted at
Jan 17, 2026, 11:59 AM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,250🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,250🔥

OMEGA - 220.10.43.22.03.002 · $10,250
The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial capturing the essence of a perfect day at sea with laser-ablated texture and depth.

  • Condition: VERY GOOD - some light scratches on case and bracelet
  • Case size: 43mm diameter
  • Bracelet length: ~7 inch
  • Contents: ULTIMATE SET - includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt
Posted at
Jan 16, 2026, 7:18 PM
Active