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.
Buy Now on Jomashop
This is an affiliate link

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 Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

This Omega Aqua Terra 8800 features a 38mm stainless steel case, green dial, and master co-axial movement.

  • Condition: Brand new
  • Case material: Stainless Steel
  • Movement type: Master Co-Axial
Posted at
Apr 10, 2026, 1:22 PM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025

Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025

This Omega Seamaster Aqua Terra Worldtimer features a striking blue dial and matching blue strap, showcasing one of Omega's most impressive complications. The watch boasts a 43mm stainless steel case, laser-ablated world map center, and global city ring on the ceramic bezel.

  • Condition: New / Unworn
  • Case size: 43mm diameter
  • Water resistance: 150m depth rating
  • Power reserve: 60 hours
Posted at
Apr 9, 2026, 11:04 PM
Active
[WTS] Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200
The Omega Seamaster Aqua Terra features a 38.5mm stainless steel case on a stainless steel bracelet with a deployant clasp, and it's equipped with the Omega Co-Axial calibre 8601. What sets this watch apart is its annual calendar complication, which automatically accounts for months with 30 or 31 days and only needs adjustment once per year.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Case material: stainless steel
  • Bracelet material: stainless steel
Posted at
Apr 9, 2026, 5:18 PM
Active
[WTS] Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

This Omega Aqua Terra 8900 features a 41mm stainless steel and black ceramic case with a turquoise dial, showcasing the brand's Master Chronometer movement.

  • Condition: Brand new
  • Movement: Master Chronometer Movement
  • Case material: Stainless Steel / Black Ceramic
  • Size: 41mm diameter
Posted at
Apr 9, 2026, 2:08 PM
Active
[WTS] BNIB Omega Seamaster Aqua Terra Black Lacquer 41mm Full Kit - REF# 220.10.41.21.01.0       $6,449 + label

BNIB Omega Seamaster Aqua Terra Black Lacquer 41mm Full Kit - REF# 220.10.41.21.01.0 $6,449 + label

Omega - 220.10.41.21.01.0 · $6,449
This Omega Seamaster Aqua Terra features a black lacquer dial and is powered by OMEGA's Co-Axial Master Chronometer calibre 8900, certified at the industry's highest standard.

  • Condition: Brand new, fully stickered, unworn
  • Calibre: Co-Axial Master Chronometer 8900
  • Case Material: Black Lacquer Dial (Blackquaterra)
Posted at
Apr 9, 2026, 11:45 AM
Active
[WTS] Omega Seamaster Aqua Terra 41mm

Omega Seamaster Aqua Terra 41mm

A 41mm Aqua Terra in teakwood blue with a stainless steel bracelet and OEM blue rubber strap, serviced within the last 2 months.

  • Condition: Excellent, recently serviced
  • Case size: 41mm
  • Bracelet/strap type: blue rubber strap, OEM
  • Band closure: deployant clasp
Posted at
Apr 9, 2026, 10:23 AM
Active
[WTS] 2023 OMEGA Aqua Terra Worldtimer GMT Titanium - 220.92.43.22.99.001 - Full Set Extra OEM NATO Mint

2023 OMEGA Aqua Terra Worldtimer GMT Titanium - 220.92.43.22.99.001 - Full Set Extra OEM NATO Mint

The Aqua Terra Worldtimer is a grade 2 titanium timepiece with a matte finish, black ceramic bezel, and laser etched dial featuring continents and indices. It's mounted on a black rubber integrated strap.

  • Condition: Very excellent pre-owned condition
  • Case size: 43mm diameter
  • Water resistance: 150m depth rating
  • Movement: Co-Axial Master Chronometer Calibre 8938 (METAS certified)
Posted at
Apr 8, 2026, 7:32 PM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

This Omega Seamaster Aqua Terra Worldtimer features a stunning 'Summer Blue' dial with laser-ablated continents, showcasing one of the most visually impressive modern Omega pieces.

  • Condition: Brand new old stock and unworn
  • Case size: 43mm
  • Material: stainless steel
  • Movement: Omega Co-Axial Master Chronometer Caliber 8938
Posted at
Apr 8, 2026, 6:39 PM
Active
[WTS] Omega - 2502.34.00 Seamaster Aqua Terra 150M Co-Axial 42.2 Stainless Steel

Omega - 2502.34.00 Seamaster Aqua Terra 150M Co-Axial 42.2 Stainless Steel

Omega - 2502.34.00 · $4,500
The Omega Seamaster Aqua Terra 150M Co-Axial features a 42.2mm stainless steel case and pristine white dial, exemplifying Omega's commitment to robust performance and elegant design.

  • Condition: Very good
  • Case size: 41MM diameter
  • Bezel material: Stainless
  • Movement type: Omega caliber 2500 Co-Axial Escapement Chronometer
Posted at
Apr 8, 2026, 5:56 PM
Active