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

Reference 231.20.39.21.55.002

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterpiece that perfectly balances elegance with functionality, featuring an array of impressive specifications including the in-house Omega caliber 8500 movement, water resistance of 150 meters, and a stunning mother-of-pearl dial. With its combination of yellow gold and stainless steel, this watch exudes refinement and sophistication, making it suitable for both formal events and casual outings. The inclusion of a date window adds to its functionality, while the adjustable clasp ensures a perfect fit. Whether you're swimming, snorkeling, or just caught in the rain, this watch can handle it all without missing a beat. Its elegant design allows it to transition seamlessly from a business meeting to a casual dinner or a beach day, making it an ideal accessory for anyone looking to invest in a watch that combines elegance, functionality, and cutting-edge technology.
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Key Features

  • In-house Omega caliber 8500 movement
  • Water resistance of 150 meters
  • Stunning mother-of-pearl dial
  • Combination of yellow gold and stainless steel case
  • Chronometer certified for precision
  • 60-hour power reserve
  • 25,200 vibrations per hour frequency

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP / Bracelet
Reference
231.20.39.21.55.002
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 38.5mm 231.23.39.21.06.001 – Gold Bezel – Full Set – $5199

Omega Seamaster Aqua Terra 38.5mm 231.23.39.21.06.001 – Gold Bezel – Full Set – $5199

a luxury watch from Omega's Seamaster Aqua Terra collection, featuring a gold bezel and measuring 38.5mm in diameter.

  • Size: 38.5mm diameter
Posted at
Mar 27, 2026, 10:27 AM
Active
[WTS] Omega Aqua Terra 231.10.39.21.01.001 Cal 8500 38.5mm Black Teak - $3,250

Omega Aqua Terra 231.10.39.21.01.001 Cal 8500 38.5mm Black Teak - $3,250

Up for sale is Omega Aqua Terra 231.10.39 Cal 8500 with a Calibre OMEGA 8500 movement and a steel case on original Omega steel bracelet.

  • Condition: Great condition, minor marks on case and bracelet
  • Movement: Calibre OMEGA 8500
  • Case size: 38.5mm diameter
  • Bracelet material: Steel
Posted at
Mar 26, 2026, 10:35 PM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak - $1,890

Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak - $1,890

Omega - 231.10.39 · $1,890
Up for sale is my Omega Seamaster Aqua Terra 231.10.39, measuring at 39mm with a Calibre OMEGA 4564 quartz movement.

  • Condition: great condition, minimal marks/hairlines on the case
  • Movement: Calibre OMEGA 4564 quartz
  • Case size: 39mm
  • Water resistance: 150m
Posted at
Mar 26, 2026, 9:36 PM
Active
[WTS] Omega Aqua Terra Shades Sandstone - 38mm - 220.10.38.20.09.001

Omega Aqua Terra Shades Sandstone - 38mm - 220.10.38.20.09.001

This Omega Seamaster Aqua Terra Shades features a stunning 'Sandstone' dial and is available in 38mm size. It's a watch-only example that's been lightly used.

  • Condition: lightly pre-owned with light, normal wear throughout and small mark on crystal near 3 o'clock
  • Case Size: 38mm diameter
  • Movement Amplification: 300+ amplitude
  • Accuracy: +1 second/day
Posted at
Mar 26, 2026, 6:35 PM
Active
[WTS] 36mm Omega Seamaster Aqua Terra Quartz - Ref 2518.50 - $1900 SHIPPED

36mm Omega Seamaster Aqua Terra Quartz - Ref 2518.50 - $1900 SHIPPED

Omega - 2518.50 · $1,900
A 36mm Omega Seamaster Aqua Terra Quartz watch, powered by a Calibre OMEGA 1538 quartz movement.

  • Condition: Excellent condition
  • Case Size: 36mm diameter
  • Bracelet Length: up to 7"
  • Movement Type: quartz
Posted at
Mar 26, 2026, 3:27 PM
Active
[WTS] 2024 Omega Seamaster Aqua Terra 150M 41mm Silver Dial 220.12.41.21.02.002 Full Set Excellent

2024 Omega Seamaster Aqua Terra 150M 41mm Silver Dial 220.12.41.21.02.002 Full Set Excellent

The Omega Seamaster Aqua Terra 150M is a versatile watch that combines everyday style with refined nautical design. Its 41mm stainless steel case features a silver "teak concept" dial, inspired by wooden yacht decks.

  • Condition: Excellent
  • Diameter: 41mm
  • Depth rating: 150m
Posted at
Mar 26, 2026, 12:31 PM
Active
[WTS] Omega Seamaster Aqua Terra 2503.33  - $2,450  - Reserved Post for u/Life_Minute_Second

Omega Seamaster Aqua Terra 2503.33 - $2,450 - Reserved Post for u/Life_Minute_Second

Omega - 2503.33 · $2,450
Up for sale is my Omega Seamaster Aqua Terra 2503.33, a 39mm watch with an Omega 2500 automatic movement.

  • Condition: Very good
  • Case material: Steel
  • Bracelet material: Original Omega Steel
  • Crystal type: Sapphire
Posted at
Mar 25, 2026, 4:23 AM
Active
[WTS] Omega Aqua Terra 231.10.39 Cal 8500 39mm w/ cards- $2,850 - Reserved post for u/SamV88

Omega Aqua Terra 231.10.39 Cal 8500 39mm w/ cards- $2,850 - Reserved post for u/SamV88

The Omega Aqua Terra 231.10.39 Cal 8500 is a 39mm watch with an Calibre OMEGA 8500 movement. It has a steel case on original Omega steel bracelet.

  • Condition: Great condition, with minimal marks on the case and caseback
  • Case size: 39mm
  • Bracelet material: Steel
  • Movement: Calibre OMEGA 8500
Posted at
Mar 25, 2026, 4:05 AM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak - $1,890

Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak - $1,890

Omega - 231.10.39 38.5mm · $1,890
Up for sale is my Omega Seamaster Aqua Terra 231.10.39 in great condition. This watch measures at 39mm and has an Calibre OMEGA 4564 quartz movement.

  • Condition: 8.9/10, great condition
  • Case material: steel
  • Bracelet type: original steel Omega bracelet
  • Crystal type: sapphire crystal
Posted at
Mar 25, 2026, 4:02 AM
Active