Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial Stainless Steel / Red Gold / MOP / Bracelet

Reference 231.20.34.20.55.001

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial is a masterpiece of luxury watchmaking, boasting an elegant design, impressive functionality, and precision. The stunning Mother of Pearl dial shimmers beautifully, reflecting light with a subtle allure. Crafted from a combination of Sedna Gold and stainless steel, the 34mm round case exudes a luxurious feel that's both robust and refined. Notable features include gem-set indexes adding a touch of glamour, arrow-shaped hands ensuring effortless time-telling, and an automatic Omega caliber 8520 movement with Co-Axial escapement reducing friction for long-term accuracy. With a water resistance of 150 meters, this watch can handle the demands of water sports or everyday wear. The sapphire glass provides an extra layer of protection, while the open case back showcases the intricate workings of the movement. Wearing the Aqua Terra is a joy, with its comfortable stainless steel bracelet and secure clasp. This versatile timepiece effortlessly transitions from formal to casual settings, making it the perfect accessory for any occasion.
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Key Features

  • Omega caliber 8520 automatic movement
  • Co-Axial escapement for reduced friction
  • Mother of Pearl (MOP) dial with gem-set indexes

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Co-Axial Stainless Steel / Red Gold / MOP / Bracelet
Reference
231.20.34.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
34mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] 2023 Omega Aqua Terra - Weave Dial

2023 Omega Aqua Terra - Weave Dial

A 2023 Omega Aqua Terra watch featuring a black weave dial and rose gold colored hands/makers.

  • Condition: Very Good
  • Case size: 41.5mm diameter
  • Box condition: Outer Box / Inner Box / Warranty Card / Pictograms Card / Manual - Front flap loose / some wear marks
Posted at
Feb 12, 2026, 9:54 PM
Active
[WTS] Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001 MINT REDUCED

Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001 MINT REDUCED

A Omega Seamaster Aqua Terra 38 in mint condition, with box and papers included.

  • Condition: Mint
  • Original Strap: Original omega strap
  • Leather Strap Depth Rating: 200m water resistant (TUNS green leather strap)
  • Warranty: Watchmaxx warranty
Posted at
Feb 12, 2026, 8:16 PM
Active
[WTS] 2020 Omega Seamaster Aqua Terra 42mm Spectre 007 James Bond LE 231.10.42.21.03.004 Full Set

2020 Omega Seamaster Aqua Terra 42mm Spectre 007 James Bond LE 231.10.42.21.03.004 Full Set

A 2020 Omega Seamaster Aqua Terra 42mm Spectre limited-edition model, created to celebrate James Bond's on-screen return in the 2015 film.

  • Condition: Excellent
  • Year: 2020
  • Edition: Spectre 007 James Bond LE
Posted at
Feb 12, 2026, 12:52 PM
Active
[WTS] Omega Aqua Terra 231.10.39 Cal 8500 39mm Full Kit - $2,900 - u/reserved post for u/Dense_Magazine9171

Omega Aqua Terra 231.10.39 Cal 8500 39mm Full Kit - $2,900 - u/reserved post for u/Dense_Magazine9171

Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500, a watch that measures at 39mm and has an Calibre OMEGA 8500 movement.

  • Condition: Great condition with very minimal marks on the case and caseback
  • Case size: 39mm diameter
  • Movement: Calibre OMEGA 8500
  • Bracelet type: Original Omega steel bracelet
Posted at
Feb 11, 2026, 9:21 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

This Omega Seamaster Aqua Terra is a blue 150m diver's watch featuring a 7.25" bracelet.

  • Bracelet length: 7.25 inches
  • Payment methods: Zelle, Venmo, Western Union
Posted at
Feb 11, 2026, 6:16 PM
Active
[WTS] Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2018 Box and Papers

Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2018 Box and Papers

This Omega Seamaster Aqua Terra is a 38.5MM watch from 2018, featuring the 'Blue Teak' dial.

  • Condition: Excellent Pre-Owned
  • Year: 2018
Posted at
Feb 11, 2026, 4:06 PM
Active
[WTS] OMEGA Aqua Terra 2022 Excellent condition full set $4400

OMEGA Aqua Terra 2022 Excellent condition full set $4400

OMEGA - Aqua Terra · $4,400
This is an OMEGA Aqua Terra, a 2022 model with double boxing and all original cards.

  • Condition: Excellent
  • Year: 2022
  • Set Type: full
Posted at
Feb 11, 2026, 10:28 AM
Active
[WTS] Omega Seamaster Aqua Terra 41mm White 220.10.41.21.02.001 2024 Full Set - $5,095

Omega Seamaster Aqua Terra 41mm White 220.10.41.21.02.001 2024 Full Set - $5,095

This Omega Seamaster Aqua Terra White is a 2024 model, fully set with its original packaging and accessories.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Case Size: 41mm
Posted at
Feb 10, 2026, 9:42 AM
Active