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] Omega Aqua Terra Shades Sandstone - 38mm - 220.10.38.20.09.001 - $3,795 Shipped ✈️

Omega Aqua Terra Shades Sandstone - 38mm - 220.10.38.20.09.001 - $3,795 Shipped ✈️

The Omega Seamaster Aqua Terra Shades 'Sandstone' Dial is a stylish watch featuring a stunning dial and comfortable design.

  • Condition: lightly pre-owned with light, normal wear throughout
  • Size: 38mm
  • Movement Accuracy: +1 second/day
  • Amplitude: 300+
Posted at
Apr 3, 2026, 9:49 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, featuring a 43mm stainless steel case and a dial with laser-ablated texture, surrounded by a 24-hour glass ring indicating day and night.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm diameter
  • Bracelet length: ~7 inches pre-sized
Posted at
Apr 3, 2026, 8:52 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 Terracotta dial, 38mm stainless steel case, and Co-Axial Master Chronometer Calibre 8800.

  • Condition: UNWORN
  • Case size: 38mm
  • Water resistance: 150m
  • Bracelet length: ~7 inches pre-sized
Posted at
Apr 3, 2026, 8:49 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M Black Dial (220.10.38.20.01.001) – Excellent Condition

Omega Seamaster Aqua Terra 150M Black Dial (220.10.38.20.01.001) – Excellent Condition

A super clean, versatile piece that works just as well dressed up as it does daily.

  • Condition: Excellent (minor wear)
  • Case size: 38mm
  • Movement: Co-Axial Master Chronometer (Caliber 8800)
  • Power reserve: ~55 hours
Posted at
Apr 3, 2026, 1:36 PM
Active
[WTS] Omega Aqua Terra 2517.30 COMPLETE SET

Omega Aqua Terra 2517.30 COMPLETE SET

Omega - 2517.30 · $1,950
This Omega Aqua Terra is a quartz watch with a 39mm case size.

  • Condition: Pre-owned with recent service
  • Case Size: 39mm diameter
  • Payment Methods Accepted: various payment methods, excluding PayPal
  • Local Meeting Available: yes
Posted at
Apr 3, 2026, 10:01 AM
Active
[WTS] Omega Seamaster Aqua Terra Ref: 231.13.42.21.03.001 2024 Warranty through 2029

Omega Seamaster Aqua Terra Ref: 231.13.42.21.03.001 2024 Warranty through 2029

The Omega Seamaster Aqua Terra is a 41.5mm watch with a blue dial, designed as an all-purpose watch bridging sport and dress wear.

  • Condition: very good overall condition
  • Case size: 41.5mm
  • Case material: Stainless Steel
  • Thickness: ~13mm
Posted at
Apr 2, 2026, 10:03 PM
Active
[WTS] Omega Seamaster Aqua Terra Blue 231.13.42.21.03.001 2023 B&P

Omega Seamaster Aqua Terra Blue 231.13.42.21.03.001 2023 B&P

This Omega Seamaster Aqua Terra Blue is a 2023 model with box and papers, featuring leather strap.

  • Condition: Excellent
  • Box And Papers: 2023 box and papers
  • Leather Condition: pre owned but in great shape
Posted at
Apr 1, 2026, 8:32 PM
Active
[WTS] Omega Seamaster Aqua Terra 41mm

Omega Seamaster Aqua Terra 41mm

This 41mm Aqua Terra in teakwood blue is a beautifully crafted watch that has been well-maintained and comes with its original box, chronometer card, and a recent service record. Its stylish design and comfortable OEM rubber strap make it an attractive timepiece.

  • Condition: Pre-owned, serviced by Omega within the last 2 months
  • Bracelet type: Blue rubber strap
  • Case size: 41mm
Posted at
Apr 1, 2026, 7:17 PM
Active
[WTS] Omega Aqua Terra 38mm Blue Dial – Ref. 220.10.38.20.03.003 – Full Set

Omega Aqua Terra 38mm Blue Dial – Ref. 220.10.38.20.03.003 – Full Set

The Omega Aqua Terra 38mm features a blue teak dial, and is powered by the METAS certified Caliber 8800 movement.

  • Condition: Excellent overall condition with light signs of wear
  • Case size: 38mm diameter
  • Water resistance: 150m depth rating
  • Crystal type: Sapphire (front and back)
Posted at
Apr 1, 2026, 3:12 PM
Active