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

Reference 231.20.39.21.02.001

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial is a marvel of Swiss watchmaking, offering an exquisite blend of style and performance. Its stunning stainless steel and red gold case strikes a perfect balance between boldness and wearability, while the silver dial features stick and dot indexes for clean readability. The in-house caliber 8500 movement, featuring a Co-Axial escapement, reduces friction and enhances precision, making it a reliable companion for those who lead active lifestyles. With a water resistance of 150 meters and a certified chronometer status, this timepiece is designed to keep impeccable time while withstanding the rigors of everyday wear. Whether you're in the boardroom or on the beach, this watch is sure to catch eyes and reflect your taste for quality. Its blend of elegance and functionality makes it perfect for anyone who values style and precision.
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Key Features

  • Stainless Steel and Red Gold Case
  • In-House Caliber 8500 Movement
  • 150m Water Resistance
  • Certified Chronometer Status
  • Sapphire Glass
  • 38.50mm Diameter
  • 60-hour Power Reserve

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver / Bracelet
Reference
231.20.39.21.02.001
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 Quartz - 38.5mm - 231.10.39.60.02.001 - Clean!

Omega Seamaster Aqua Terra Quartz - 38.5mm - 231.10.39.60.02.001 - Clean!

A simple yet elegant OMEGA Seamaster Aqua Terra 150M with a Caliber 4564 quartz movement housed in a 38.5mm case, available at a great price point.

  • Case size: 38.5mm
  • Depth rating: 150m
  • Movement type: quartz
Posted at
Feb 3, 2026, 1:28 PM
Active
[WTS] Oman Khanjar Stamped Omega Aqua Terra ($9,250)

Oman Khanjar Stamped Omega Aqua Terra ($9,250)

Omega - 2201341211001 · $9,250
This Omega Aqua Terra features a green dial and is stamped with the Oman Khanjar emblem on the caseback.

  • Condition: pristine
  • Case size: 41mm diameter
  • Dial color: green
Posted at
Feb 2, 2026, 3:35 PM
Active
[WTS] Omega Seamaster Aqua Terra Quartz - White Dial - 231.10.39.61.02.001

Omega Seamaster Aqua Terra Quartz - White Dial - 231.10.39.61.02.001

This Omega Seamaster Aqua Terra Quartz features a white dial, quartz movement, and comes on its original stainless steel bracelet.

  • Condition: Pre-owned, minor wear throughout
  • Size: 38.5mm diameter
  • Movement: Quartz
Posted at
Feb 2, 2026, 1:23 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m, 38.5mm White/Silver Dial on Bracelet

Omega Seamaster Aqua Terra 150m, 38.5mm White/Silver Dial on Bracelet

For sale is a Omega Seamaster Aqua Terra 150M with a 38.5mm steel case, white/silver dial and bracelet. It's in very good condition, keeping consistent time within spec.

  • Condition: Very good condition
  • Depth rating: 150m
Posted at
Feb 2, 2026, 11:11 AM
Active
[WTS] Omega Seamaster Aqua Terra 150M – Skyfall Grey Teak Dial |Ref. 231.10.42.21.06.001 | 41.5 mm | Full Set | 2020 | Excellent Condition

Omega Seamaster Aqua Terra 150M – Skyfall Grey Teak Dial |Ref. 231.10.42.21.06.001 | 41.5 mm | Full Set | 2020 | Excellent Condition

A timeless and highly versatile Seamaster Aqua Terra featuring the sought-after Skyfall grey teak-pattern dial, inspired by the wooden decks of luxury sailboats.

  • Condition: Excellent
  • Case size: 41.5mm
  • Material: stainless steel
  • Water resistance: 150m depth rating
Posted at
Feb 1, 2026, 10:51 PM
Active
[WTS] Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,350 Shipped ✈️

Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,350 Shipped ✈️

Omega - 2504.30 · $2,350
This Omega Seamaster Aqua Terra features a beautiful sunburst silver dial and is available in a compact 36mm case diameter.

  • Condition: very good condition
  • Case diameter: 36mm
  • Movement: Omega Co-axial 2500
  • Wrist size fit: 6.75 - 7inch
Posted at
Feb 1, 2026, 5:00 PM
Active
[WTS] Omega Aqua Terra “ SkyFall ” Blue Teak Dial - 231.10.42.21.03.003 - Box and Papers

Omega Aqua Terra “ SkyFall ” Blue Teak Dial - 231.10.42.21.03.003 - Box and Papers

This Omega Seamaster Aqua Terra is a Blue Teak Dial watch with a size of 41.5mm, featuring a great pre-owned condition.

  • Condition: pre-owned with minor wear
  • Size: 41.5mm diameter
  • Box And Papers: yes
  • Warranty: no
Posted at
Feb 1, 2026, 4:48 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,100🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,100🔥

OMEGA - 220.10.43.22.03.002 · $10,100
The OMEGA Seamaster Aqua Terra Worldtimer features a 43mm stainless steel case with a 'Summer Blue' dial showcasing the Earth laser-ablated on a grade 5 titanium plate.

  • Condition: VERY GOOD, some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet length: ~7"
  • Contents: ultimate set includes box, papers, serial hang tag, spare links (for fully-linked bracelet), shipping coffin, and digital copy of original purchase receipt
Posted at
Feb 1, 2026, 1:50 PM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,300🔥

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,300🔥

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a stunning Terracotta dial, symmetrical case design, and rhodium-plated hands with white Super-LumiNova for readability.

  • Condition: UNWORN
  • Case size: 38mm
  • Bracelet size: ~7"
  • Contents: box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt
Posted at
Feb 1, 2026, 1:47 PM
Active