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 – Discontinued Black “Teak” Dial| 42mm Master Co- Axial | Reference: 231.10.42.21.01.003| Full Set

Omega Seamaster Aqua Terra – Discontinued Black “Teak” Dial| 42mm Master Co- Axial | Reference: 231.10.42.21.01.003| Full Set

A discontinued, classically styled Aqua Terra with the desirable black teak dial, powered by Omega’s robust Master Co-Axial technology. A versatile luxury sports watch equally at home with a suit or casual wear, and an excellent example of Omega’s technical evolution prior to the Master Chronometer era.

  • Condition: Very good overall condition
  • Diameter: 41.5mm
  • Water resistance: 150m / 500ft
  • Movement type: Master Co-Axial automatic movement
Posted at
Jan 10, 2026, 8:07 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M “Spectre” Blue Dial – 41.5mm|Ref: 231.10.42.21.03.003| Full Set | Mint Condition

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

This highly sought-after Aqua Terra 'Spectre' configuration features a blue teak dial and in-house Calibre 8500, delivering reliable Co-Axial performance and strong wrist presence.

  • Condition: Excellent condition throughout
  • Case size: 41.5mm
  • Depth rating: 150m
Posted at
Jan 10, 2026, 6:02 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Quartz Grey Teak, 38.5mm | 231.10.39.60

Omega Seamaster Aqua Terra 150m | Quartz Grey Teak, 38.5mm | 231.10.39.60

A 38.5mm Omega Seamaster Aqua Terra 150m quartz watch with a grey teak dial, available for sale.

  • Condition: 8.9/10, minimal marks/hairlines on the case back and bracelet sides
  • Case material: steel
  • Bracelet type: original Omega steel
  • Water resistance: 150m
Posted at
Jan 10, 2026, 4:07 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

This Omega Seamaster Aqua Terra features a 38.5mm case, Calibre 8500 movement, and a 7.25 inch long bracelet.

  • Movement: Calibre 8500 Co-Axial
  • Case Size: 38.5mm diameter
  • Bracelet Length: 7.25 inches
Posted at
Jan 10, 2026, 12:28 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

The Omega Seamaster Aqua Terra 150m is a quartz watch with a 38.5mm diameter and a 7.25" bracelet.

  • Case size: 38.5mm
  • Bracelet length: 7.25 inches
Posted at
Jan 10, 2026, 12:24 PM
Active
[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