Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Yellow Gold / Diamond / MOP / Bracelet

Reference 231.55.30.20.55.002

About this watch

The Omega Seamaster Aqua Terra 231.55.30.20.55.002 is a masterpiece of luxury watchmaking, blending elegance and functionality in a way that's both timeless and versatile. Crafted from yellow gold and adorned with diamond accents, this stunning timepiece radiates opulence and sophistication. The Mother of Pearl (MOP) dial shimmers beautifully, adding a touch of refinement to the watch's already striking design. But it's not just about looks - the Omega caliber 8521 movement is a marvel of innovation, featuring a Co-Axial Escapement for greater precision, stability, and durability. With a water resistance of 150 meters and sapphire glass protection, this watch can accompany you on casual swims or light snorkeling adventures. Whether you're attending a formal event or simply enjoying a day at the beach, the Omega Seamaster Aqua Terra is the perfect accessory - a true statement piece that's as comfortable to wear as it is stylish. With its exceptional functionality and luxurious design, this watch checks all the boxes for anyone seeking a high-end timepiece that will only appreciate in value over time.
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Key Features

  • Yellow Gold Case
  • Gem-Set Bezel
  • Mother of Pearl Dial
  • Omega Caliber 8521 Movement
  • Co-Axial Escapement
  • Water Resistance: 150m
  • Sapphire Glass Protection

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 30 Yellow Gold / Diamond / MOP / Bracelet
Reference
231.55.30.20.55.002
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 30mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] 2023 Omega Seamaster Aqua Terra Silver Dial 41mm 220.10.41.21.02.001 - Full Set

2023 Omega Seamaster Aqua Terra Silver Dial 41mm 220.10.41.21.02.001 - Full Set

Omega - 220.10.41.21.02.001 · $10,900
2023 Omega Seamaster Aqua Terra Silver Dial 41mm, available for sale.

  • Case material: Stainless Steel
  • Bracelet material: Stainless Steel
Posted at
Mar 28, 2026, 2:12 PM
Active
[WTS] Omega Aqua Terra Ref 220.10.38.20.10.002 38mm Dial Bay Green

Omega Aqua Terra Ref 220.10.38.20.10.002 38mm Dial Bay Green

This Omega Aqua Terra is a 38mm watch with a Bay Green dial, in perfect working condition.

  • Condition: Excellent
  • Case size: 38mm
  • Water resistance: unknown
Posted at
Mar 27, 2026, 9:11 PM
Active
[WTS] 2023 Omega Seamaster Aqua Terra 150M 41mm 220.12.41.21.03.002 - Full Set

2023 Omega Seamaster Aqua Terra 150M 41mm 220.12.41.21.03.002 - Full Set

2023 Omega Seamaster Aqua Terra 150M 41mm, a luxury watch with features and details as described in the listing.

  • Year: 2023
  • Movement: Co-Axial Master Chronometer
  • Water resistance: 150m
Posted at
Mar 27, 2026, 4:30 PM
Active
[WTS] Omega Aqua Terra 2517.30 COMPLETE SET

Omega Aqua Terra 2517.30 COMPLETE SET

Omega - 2517.30 · $2,450
For sale is an Omega Aqua Terra 39mm quartz watch, sold as a complete set including links and warranty card.

  • Condition: Pre-owned (serviced)
  • Case Size: 39mm
  • Movement Type: quartz
Posted at
Mar 27, 2026, 4:11 PM
Active
[WTS] Omega Seamaster Aqua Terra 38.5mm 231.23.39.21.06.001 – Gold Bezel – Full Set – $5199

Omega Seamaster Aqua Terra 38.5mm 231.23.39.21.06.001 – Gold Bezel – Full Set – $5199

a luxury watch from Omega's Seamaster Aqua Terra collection, featuring a gold bezel and measuring 38.5mm in diameter.

  • Size: 38.5mm diameter
Posted at
Mar 27, 2026, 10:27 AM
Active
[WTS] Omega Aqua Terra 231.10.39.21.01.001 Cal 8500 38.5mm Black Teak - $3,250

Omega Aqua Terra 231.10.39.21.01.001 Cal 8500 38.5mm Black Teak - $3,250

Up for sale is Omega Aqua Terra 231.10.39 Cal 8500 with a Calibre OMEGA 8500 movement and a steel case on original Omega steel bracelet.

  • Condition: Great condition, minor marks on case and bracelet
  • Movement: Calibre OMEGA 8500
  • Case size: 38.5mm diameter
  • Bracelet material: Steel
Posted at
Mar 26, 2026, 10:35 PM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak - $1,890

Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak - $1,890

Omega - 231.10.39 · $1,890
Up for sale is my Omega Seamaster Aqua Terra 231.10.39, measuring at 39mm with a Calibre OMEGA 4564 quartz movement.

  • Condition: great condition, minimal marks/hairlines on the case
  • Movement: Calibre OMEGA 4564 quartz
  • Case size: 39mm
  • Water resistance: 150m
Posted at
Mar 26, 2026, 9:36 PM
Active
[WTS] Omega Aqua Terra Shades Sandstone - 38mm - 220.10.38.20.09.001

Omega Aqua Terra Shades Sandstone - 38mm - 220.10.38.20.09.001

This Omega Seamaster Aqua Terra Shades features a stunning 'Sandstone' dial and is available in 38mm size. It's a watch-only example that's been lightly used.

  • Condition: lightly pre-owned with light, normal wear throughout and small mark on crystal near 3 o'clock
  • Case Size: 38mm diameter
  • Movement Amplification: 300+ amplitude
  • Accuracy: +1 second/day
Posted at
Mar 26, 2026, 6:35 PM
Active
[WTS] 36mm Omega Seamaster Aqua Terra Quartz - Ref 2518.50 - $1900 SHIPPED

36mm Omega Seamaster Aqua Terra Quartz - Ref 2518.50 - $1900 SHIPPED

Omega - 2518.50 · $1,900
A 36mm Omega Seamaster Aqua Terra Quartz watch, powered by a Calibre OMEGA 1538 quartz movement.

  • Condition: Excellent condition
  • Case Size: 36mm diameter
  • Bracelet Length: up to 7"
  • Movement Type: quartz
Posted at
Mar 26, 2026, 3:27 PM
Active