Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 41.5 Stainless Steel / Red Gold / Grey / Bracelet

Reference 231.20.42.21.06.001

About this watch

The Omega Seamaster Aqua Terra 231.20.42.21.06.001 is a masterpiece of luxury watchmaking, seamlessly blending elegance and sportiness in its sophisticated design. The combination of stainless steel and red gold gives it a luxurious feel without being overly flashy. The grey dial with subtle texture creates a pleasing visual effect that catches the light beautifully. With stick and dot indexes, reading the time is both straightforward and chic. The arrow hands add to the watch's sporty demeanor, making it suitable for both formal and casual occasions. The 41.50mm case is perfectly sized for most wrists, while the open case back allows you to admire the intricate Omega caliber 8500 movement inside. This automatic movement is known for its reliability and precision, with a frequency of 25,200 vibrations per hour and 39 jewels. The 60-hour power reserve means you won't have to worry about winding it every day. With a water resistance of 150 meters, the Aqua Terra is perfect for those who enjoy aquatic adventures. Whether you're swimming at the beach or simply caught in the rain, you can trust this watch to hold up. It's like having a reliable companion that keeps ticking even when you take a break from wearing it.
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MSRP: $9,700
Market Price: $5,104

Key Features

  • Omega caliber 8500 automatic movement
  • Stainless Steel and Red Gold case
  • 150m Water Resistance
  • 41.50mm Diameter
  • Sapphire Glass
  • 60-hour Power Reserve

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 41.5 Stainless Steel / Red Gold / Grey / Bracelet
Reference
231.20.42.21.06.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
41.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
150

Current Listings

[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
Active
[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
[WTS] 2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

Up for sale is a **Omega Seamaster Aqua Terra Skyfall Blue** in excellent condition, thoroughly tested on a timegrapher and running well.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 41.5mm diameter
  • Year: 2023
Posted at
Apr 18, 2026, 5:15 PM
Active
[WTS] Omega Aqua Terra 2503.50

Omega Aqua Terra 2503.50

Omega - 2503.50 · $2,650
This Omega Aqua Terra 2503.50 is an automatic watch that has been serviced by the manufacturer, Omega.

  • Condition: Great condition with minor wear
  • Serviced: yes, by Omega
  • Payment Methods: crypto, all other methods except PayPal
  • Accepts Trades: yes, only for specified brands
Posted at
Apr 18, 2026, 2:30 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M 40mm Teal Gradient Dial 215.30.40.20.03.002 - Full Kit - $5,900

Omega Seamaster Aqua Terra 150M 40mm Teal Gradient Dial 215.30.40.20.03.002 - Full Kit - $5,900

This Omega Seamaster Aqua Terra features a 40mm stainless steel case with a teal gradient dial, Co-Axial Master Chronometer movement, and a screw-down crown.

  • Condition: Very good pre-owned condition
  • Case diameter: 40mm
  • Water resistance depth rating: 150m
Posted at
Apr 18, 2026, 2:06 PM
Active