Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / Diamond / MOP

Reference 231.28.30.20.55.001

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30, reference 231.28.30.20.55.001, is a masterpiece of watchmaking that exudes luxury and sophistication. Its stunning Mother of Pearl dial shimmers with every movement, evoking the ocean's surface within an exquisite timepiece. The combination of red gold and stainless steel adds a touch of opulence, while the gem-set bezel sparkles like a starry night. At its heart lies the Omega caliber 8520, a marvel of engineering with a power reserve of 50 hours and Co-Axial escapement technology for enhanced longevity. Certified as a chronometer, this watch meets the highest standards of precision. With a water resistance of 150 meters, it's perfect for various activities, from swimming to everyday wear. The Aqua Terra's design is both elegant and functional, with a sleek case that houses the watch and all necessary documentation. This timepiece is an investment in luxury, craftsmanship, and practicality, making it a statement accessory that elevates any outfit.
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Key Features

  • Omega caliber 8520 automatic movement
  • 50-hour power reserve and Co-Axial escapement technology
  • Certified chronometer with high precision standards
  • Water resistance of 150 meters for various activities
  • Gem-set bezel and Mother of Pearl dial for luxurious design
  • Red gold and stainless steel materials for durability and opulence
  • Sleek case with all necessary documentation

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / Diamond / MOP
Reference
231.28.30.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
30mm
Dial Color
White
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
[WTS] Omega Aqua Terra 36mm Reference 2504.80 Deep blue sunray dial slim caliber 1120 all original (serviced) $2400

Omega Aqua Terra 36mm Reference 2504.80 Deep blue sunray dial slim caliber 1120 all original (serviced) $2400

Omega - 2504.80 · $2,400
A Omega Aqua Terra with a 36mm case, deep blue sunray dial and slim caliber 1120.

  • Condition: pre-owned, serviced
  • Case diameter: 36mm
Posted at
Apr 18, 2026, 1:38 PM
Active