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

Reference 231.20.39.21.52.003

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterpiece of luxury watchmaking, blending exquisite craftsmanship with innovative technology. This stunning timepiece features a silver dial adorned with gem-set indexes, adding a touch of sparkle that catches the eye without being overly ostentatious. The combination of stainless steel and red gold enhances durability while elevating the overall aesthetic. With a diameter of 38.50 mm, this watch strikes an ideal balance between style and functionality. At its heart lies the Omega Caliber 8500, an automatic movement celebrated for its precision and reliability. This chronometer-certified timepiece boasts a power reserve of 60 hours, ensuring it remains accurate even when taken off for extended periods. Its water resistance of 150 meters makes it perfect for swimming or everyday wear, while the date function adds practicality to its luxurious design. With a weight that feels substantial yet comfortable, this watch is an experience in itself. Whether dressed formally or casually, the Seamaster Aqua Terra effortlessly complements your look, making it a versatile accessory for any occasion.
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MSRP: $9,550
Market Price: $5,026

Key Features

  • Stainless Steel and Red Gold Construction
  • Omega Caliber 8500 Automatic Movement
  • Chronometer Certification
  • Water Resistance up to 150 meters
  • Date Function
  • Co-Axial Escapement Technology
  • 60-Hour Power Reserve

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Silver / Bracelet
Reference
231.20.39.21.52.003
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra - 220.10.38.20.03.001 - Full Kit - $4,195 Shipped

Omega Seamaster Aqua Terra - 220.10.38.20.03.001 - Full Kit - $4,195 Shipped

This Omega Seamaster Aqua Terra is a 38mm watch with sapphire crystal, running well and in great condition.

  • Condition: Fantastic condition
  • Size: 38mm diameter
  • Year: 2021
Posted at
Jan 7, 2026, 4:40 PM
Active
[WTS] Omega Seamaster Aqua Terra - 231.10.39.21.02.001 - Box and Papers - $3,195 Shipped!

Omega Seamaster Aqua Terra - 231.10.39.21.02.001 - Box and Papers - $3,195 Shipped!

This Omega Seamaster Aqua Terra features a stainless steel case, sapphire crystal, and is water-resistant to 150m. The watch comes with the original box, warranty card, and booklet.

  • Condition: Great preowned condition with light wear
  • Movement: Omega Calibre 8500 Co-Axial (in-house automatic movement)
  • Case diameter: 38.5mm
  • Water-resistance: 150m depth rating
Posted at
Jan 7, 2026, 4:24 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m Master Co-Axial Golf Edition (2020) Complete Kit With Extra Straps

Omega Seamaster Aqua Terra 150m Master Co-Axial Golf Edition (2020) Complete Kit With Extra Straps

This Omega Seamaster Aqua Terra 150m Master Co-Axial Golf Edition is a 2020 model featuring a 41mm case size. It has been worn less than 20 times and comes with multiple straps.

  • Condition: Worn less than 20 times
  • Size: 41mm diameter
  • Background: Bought in 2020 from WatchMaxx
Posted at
Jan 6, 2026, 8:23 PM
Active
[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
Up for sale is my Omega Seamaster Aqua Terra [220.10.41.21] with a 41mm case and Calibre OMEGA 8900 automatic movement.

  • Condition: Very good condition, minimal marks/hairlines on the case
  • Movement: Calibre OMEGA 8900
  • Case size: 41mm diameter
  • Bracelet type: Steel Omega steel bracelet
Posted at
Jan 6, 2026, 7:48 PM
Active
[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