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

Reference 231.20.39.21.06.004

About this watch

The Omega Seamaster Aqua Terra 231.20.39.21.06.004 is a masterclass in luxury watchmaking, blending classic elegance with modern functionality. This stunning timepiece boasts impressive technical specifications, including the Omega caliber 8500 automatic movement, Co-Axial escapement, and a power reserve of 60 hours. The combination of stainless steel and yellow gold gives it a luxurious yet robust feel, while the grey dial features stick and dot indexes for a clean and modern look. With its water resistance of up to 150 meters, this watch is perfect for those who enjoy aquatic adventures or daily wear. Whether you're at a business meeting or a beach party, the Omega Seamaster Aqua Terra elevates your outfit with its exceptional build quality and stylish design. As a chronometer, it has passed rigorous testing to ensure accuracy and reliability.
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MSRP: $7,700
Market Price: $3,492

Key Features

  • Omega caliber 8500 automatic movement
  • Co-Axial escapement for reduced friction and enhanced longevity
  • 60-hour power reserve for reliable timekeeping
  • Water resistance of up to 150 meters for aquatic adventures or daily wear
  • Stainless steel and yellow gold construction for luxurious yet robust feel
  • Grey dial with stick and dot indexes for clean modern look
  • Sapphire glass for added durability and scratch resistance

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / Grey / Bracelet
Reference
231.20.39.21.06.004
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $2,650

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $2,650

This Omega Aqua Terra is a high-quality watch with a 39mm steel case, Calibre OMEGA 8500 movement, and features a steel bracelet and original presentation box.

  • Condition: great condition, minimal marks on case and crystal
  • Case Size: 39mm diameter
  • Bracelet Material: steel
  • Movement Calibre: Omega 8500
Posted at
Apr 21, 2026, 4:12 AM
Active
[WTS] Omega Seamaster Aqua Terra - 2503.30 - Clean!

Omega Seamaster Aqua Terra - 2503.30 - Clean!

Omega - 2503.30 · $2,395
This Omega Seamaster Aqua Terra comes in a 39mm size and features a silver dial and automatic movement. The watch is in fantastic condition with everything functioning as it should.

  • Condition: Pre-owned, light wear throughout
  • Size: 39mm diameter
  • Movement: Automatic
Posted at
Apr 20, 2026, 6:21 PM
Active
[WTS] Omega Seamaster Aqua Terra Blue Dial Full Set 2017 $3495 Shipped

Omega Seamaster Aqua Terra Blue Dial Full Set 2017 $3495 Shipped

This Omega Seamaster Aqua Terra features a blue teak dial and is a clean, versatile piece that works well daily or dressed up.

  • Condition: Excellent
  • Case size: 41.5mm diameter
  • Movement: Master Co Axial Chronometer
  • Water resistance: 150m / 500ft depth rating
Posted at
Apr 20, 2026, 6:06 PM
Active
[WTS] Omega Seamaster Aqua Terra 15,000 Gauss 231.10.42.21.01.002 Full Set 2019

Omega Seamaster Aqua Terra 15,000 Gauss 231.10.42.21.01.002 Full Set 2019

The Omega Seamaster Aqua Terra >15,000 Gauss is a distinctive modern Aqua Terra reference known for its black textured dial and impressive anti-magnetic capability. It measures 41.5mm in stainless steel and features Omega's Co-Axial movement.

  • Condition: Excellent, with no visible scratches and excellent crystal condition
  • Case Material: Stainless Steel
  • Case Size: 41.5mm diameter
  • Movement: Co-Axial movement
Posted at
Apr 19, 2026, 6:08 PM
Active
[WTS] Omega Seamaster Aqua Terra – 'Blue Wave’ – Gold Accents – Complete Set

Omega Seamaster Aqua Terra – 'Blue Wave’ – Gold Accents – Complete Set

Omega - 23110422103006 · $5,250
The Omega Seamaster Aqua Terra 'Blue Wave' features a blue dial with wave pattern, 18K yellow gold hands and indexes. It has a stainless steel case with a 41.5mm diameter and is powered by the Master Co-Axial calibre 8500.

  • Condition: Excellent all-around condition
  • Case size: 41.5mm diameter
  • Movement: Omega Master Co-Axial calibre 8500
  • Water resistance: 150M / 15 bar
Posted at
Apr 19, 2026, 2:04 PM
Active
[WTS] 2012 Omega Seamaster Aqua Terra 231.23.39.21.06.001

2012 Omega Seamaster Aqua Terra 231.23.39.21.06.001

2012 Omega Seamaster Aqua Terra for sale

Posted at
Apr 19, 2026, 11:54 AM
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[WTS] 2024 Omega Seamaster Aqua Terra Worldtimer Green Dial Box & Papers

2024 Omega Seamaster Aqua Terra Worldtimer Green Dial Box & Papers

The Omega Aqua Terra Worldtimer features a green dial with a laser-etched world map center, making it a conversation starter.

  • Condition: Good pre-owned condition with light wear on the bracelet & clasp.
  • Diameter: 43mm
Posted at
Apr 19, 2026, 11:16 AM
Active
[WTS] Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$5500

Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$5500

A used Omega Seamaster Aqua Terra with a 41mm case size, sold as part of a full set including box and papers.

  • Condition: Pre-owned
  • Case size: 41mm
  • Box: true
Posted at
Apr 18, 2026, 5:54 PM
Active