Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Yellow Gold / Champagne / Bracelet

Reference 231.20.42.21.08.001

About this watch

The Omega Seamaster Aqua Terra 231.20.42.21.08.001 is a masterpiece of luxury watchmaking, blending elegance with performance and innovation. Introduced in 2002, this timepiece was designed to cater to those who appreciate the sophistication of dress watches and the ruggedness of sports watches. The stunning champagne dial beautifully contrasts with stainless steel and yellow gold elements, creating a sophisticated look that's hard to ignore. This watch feels like wearing a piece of art on your wrist, thanks to its exquisite design, reliable movement, and robust water resistance. At the heart lies the Omega Caliber 8500 movement, renowned for its precision and reliability. With a frequency of 25,200 vibrations per hour and a power reserve of 60 hours, it's engineered for performance. The Co-Axial escapement technology reduces friction between moving parts, leading to greater accuracy and less wear over time. As a certified chronometer, this watch has undergone rigorous testing to ensure its accuracy. With a water resistance of 150 meters, the Aqua Terra is designed for aquatic adventures, making it suitable for swimming and snorkeling. The combination of stainless steel and yellow gold not only offers aesthetic appeal but also ensures durability. This watch is built to withstand daily wear and tear, making it an excellent investment for those who appreciate longevity in luxury items.
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MSRP: $12,000
Market Price: $4,667

Key Features

  • 41.5 mm Stainless Steel and Yellow Gold Case
  • Sapphire Crystal Glass
  • Omega Caliber 8500 Automatic Movement
  • 150m Water Resistance
  • Co-Axial Escapement Technology
  • Certified Chronometer Accuracy

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150m Master Co-Axial 41.5 Stainless Steel / Yellow Gold / Champagne / Bracelet
Reference
231.20.42.21.08.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
41.5mm
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,295 Shipped ✈️

Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,295 Shipped ✈️

Omega - 2504.30 · $2,295
This Omega Seamaster Aqua Terra features a beautiful sunburst silver dial and comes in a compact 36mm case diameter. The watch is suitable for small wrists between 6.75 and 7 inches.

  • Condition: Very good condition
  • Case Diameter: 36mm
  • Movement: Omega Co-axial 2500
Posted at
Feb 9, 2026, 5:46 PM
Active
[WTS] Omega Seamaster Aqua Terra "Golf Edition" 41.5mm

Omega Seamaster Aqua Terra "Golf Edition" 41.5mm

This Omega watch is a unique 'Golf Edition' of the popular Aqua Terra model, sized at 41.5mm.

Posted at
Feb 9, 2026, 4:28 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
A sophisticated travel companion with a 43mm stainless steel case, featuring a dial that captures the essence of a perfect day at sea, showcasing Earth on a grade 5 titanium plate.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet length: ~7in
Posted at
Feb 8, 2026, 7:36 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 polished brushed bracelet.

  • Condition: UNWORN
  • Dial color: Terracotta
  • Case size: 38mm diameter
  • Bracelet length: ~7 inch pre-sized
Posted at
Feb 8, 2026, 7:33 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

Aqua Terra 150m with Calibre 8500 Co-Axial movement, a 38.5mm case size and a 7.25 inch long bracelet.

  • Case size: 38.5mm
  • Bracelet length: 7.25 inches
Posted at
Feb 8, 2026, 1:09 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

This Omega Seamaster Aqua Terra Master Co-Axial features a blue dial and a 41.5mm case.

  • Case Diameter: 41.5mm
  • Bracelet Length: 7.25"
  • Accepted Payment Methods: Zelle, PayPal, or Western Union
Posted at
Feb 8, 2026, 1:00 PM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer | Ref. 220.12.43.22.03.001 | 2024 | Full Set | Like New

Omega Seamaster Aqua Terra Worldtimer | Ref. 220.12.43.22.03.001 | 2024 | Full Set | Like New

This Omega Seamaster Aqua Terra Worldtimer features a striking blue dial with a laser-ablated globe at the center, surrounded by 24-hour and global city rings for simultaneous reading of time zones worldwide.

  • Condition: Like New
  • Case size: 43mm diameter
  • Dial color: blue
  • Water resistance: 150m depth rating
Posted at
Feb 7, 2026, 1:12 AM
Active
[WTS] Omega Seamaster Aqua Terra 150M “Spectre” Blue Dial – 41.5mm Ref: 231.10.42.21.03.003 Full Set 2020 Mint Condition

Omega Seamaster Aqua Terra 150M “Spectre” Blue Dial – 41.5mm Ref: 231.10.42.21.03.003 Full Set 2020 Mint Condition

This Aqua Terra 'Spectre' configuration features a strong 41.5mm case with a blue teak dial, powered by the reliable in-house Calibre 8500. It's suitable for daily wear and offers excellent magnetic resistance.

  • Condition: Excellent condition
  • Dial color: blue
  • Case size: 41.5mm
  • Water resistance: 150m
Posted at
Feb 6, 2026, 10:19 PM
Active
[wts] 2021 OMEGA SEAMASTER AQUA TERRA 150M
220.10.43.22.03.001

2021 OMEGA SEAMASTER AQUA TERRA 150M 220.10.43.22.03.001

This 2021 Omega Seamaster Aqua Terra features a 43mm stainless steel case, blue dial, and Calibre 8938 movement with a 60-hour power reserve. It has a water resistance of 150 meters.

  • Condition: Pre-owned, cosmetic condition: 9/10, fully functional
  • Case size: 43mm
  • Movement: Calibre 8938
  • Power reserve: 60 hours
Posted at
Feb 6, 2026, 6:35 PM
Active