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

Omega Aqua Terra 41mm Green Teak Dial

Up for sale is my Omega Aqua Terra Reference, 220.10.41.21.10.001. It's a great piece and looks awesome.

  • Condition: Good condition with limited wear and normal desk diving marks
  • Warranty papers date: April 2024
  • Included accessories: bracelet links, box
Posted at
Feb 20, 2026, 12:15 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m “Turquoise” Dial 220.10.38.20.03.005 38mm Full Set 2025

Omega Seamaster Aqua Terra 150m “Turquoise” Dial 220.10.38.20.03.005 38mm Full Set 2025

The Omega Seamaster Aqua Terra 150m 'Turquoise' Dial is a 38mm watch with a full set, including the original box and papers.

Posted at
Feb 19, 2026, 7:20 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 dial watch with a depth rating of 150m.

  • Bracelet length: 7.25 inches
Posted at
Feb 19, 2026, 5:40 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M 41mm Ref: 220.10.41.21.03.001 B&P

Omega Seamaster Aqua Terra 150M 41mm Ref: 220.10.41.21.03.001 B&P

The Omega Seamaster Aqua Terra 150M is a stylish and versatile watch suitable for both formal and casual occasions.

Posted at
Feb 18, 2026, 10:02 PM
Active
[WTS] Omega Aqua Terra 220.10.41.21.10.001 — 5 Months Old — PRICE DROP — $4,745 Shipped OBO

Omega Aqua Terra 220.10.41.21.10.001 — 5 Months Old — PRICE DROP — $4,745 Shipped OBO

This is a 5-month-old Omega Aqua Terra with a unique Green Teak dial, adding depth and texture to the watch.

  • Condition: Excellent
  • Size: 41mm diameter
  • Dial: Green Teak with horizontal 'teak' pattern
  • Movement: Co-Axial Master Chronometer (METAS certified)
Posted at
Feb 18, 2026, 1:25 PM
Active
[WTS] Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - $2,595 Shipped!

Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - $2,595 Shipped!

Omega - 2503.50 · $2,595
A 39mm Omega Seamaster Aqua Terra in great condition with everything functioning as it should.

  • Condition: pre-owned, minor wear
  • Size: 39mm diameter
Posted at
Feb 18, 2026, 12:14 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet length: pre-sized for a ~7" wrist
  • Contents: ULTIMATE SET - Includes box, papers, serial hang tag, spare links (for fully-linked bracelet), shipping coffin, and digital copy of original purchase receipt.
Posted at
Feb 17, 2026, 11:01 PM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a vibrant Terracotta dial, symmetrical case design and polished brushed bracelet.

  • Condition: UNWORN
  • Bracelet size: ~7"
  • Box included: true
  • Papers included: true
Posted at
Feb 17, 2026, 10:59 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

This listing is for an Omega Seamaster Aqua Terra Master Co-Axial with a blue dial, measuring 41.5mm in diameter and featuring a 7.25-inch bracelet.

  • Case Size: 41.5mm
  • Bracelet Length: 7.25 inches
Posted at
Feb 17, 2026, 1:38 PM
Active