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] 2022 Omega Seamaster Aqua Terra 150M 41mm Silver Dial 220.12.41.21.02.002 Full Set Excellent

2022 Omega Seamaster Aqua Terra 150M 41mm Silver Dial 220.12.41.21.02.002 Full Set Excellent

The Omega Seamaster Aqua Terra 150M is a versatile watch that blends everyday style with refined nautical design, featuring a stainless steel case and a silver 'teak concept' dial.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Dial color: silver
Posted at
Jan 8, 2026, 9:34 AM
Active
[WTS] Omega Seamaster Aqua Terra SkyFall Blue Teak Dial 231.10.42.21.03.003

Omega Seamaster Aqua Terra SkyFall Blue Teak Dial 231.10.42.21.03.003

This Omega Seamaster Aqua Terra has a blue teak-patterned dial that changes shades depending on the light. It features the Master Co-Axial movement for improved precision and anti-magnetic performance. The watch was featured in Spectre and No Time To Die.

  • Condition: Scratches, scuffs/dings on the case, bezel, and bracelet; sapphire crystal clean
  • Model: Seamaster Aqua Terra
  • Movement: Master Co-Axial
  • Bezel material: Stainless steel
Posted at
Jan 7, 2026, 11:16 PM
Active
[WTS] 2025 Omega Seamaster Aqua Terra 41mm Steel Turquoise Dial 220.10.41.21.03.006 Full Set

2025 Omega Seamaster Aqua Terra 41mm Steel Turquoise Dial 220.10.41.21.03.006 Full Set

This Omega Seamaster Aqua Terra features a 41mm stainless steel case, turquoise dial with black gradient, and is powered by an automatic mechanical movement.

  • Condition: Very nice preowned condition with some very light scratches on the case and bracelet
  • Case Material: Stainless Steel
  • Case Dimensions: 41mm diameter
  • Bezel: Stainless Steel Smooth Bezel
Posted at
Jan 7, 2026, 8:15 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