Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 34 Stainless Steel / Diamond / MOP

Reference 231.18.34.20.55.001

Omega Seamaster Aqua Terra 150M Co-Axial 34 Stainless Steel / Diamond / MOP

About this watch

The Omega Seamaster Aqua Terra 231.18.34.20.55.001 is a masterpiece of luxury watchmaking, blending elegance with precision in a stunning package. Crafted from stainless steel and adorned with diamond accents, this 34mm timepiece exudes sophistication and refinement. The Mother of Pearl dial shines with an iridescent quality, while the gem-set indexes add a luxurious touch. Powered by the Omega caliber 8521 movement, this watch boasts accurate timekeeping and a remarkable power reserve of 50 hours. With its robust stainless steel case and scratch-resistant sapphire crystal, it's built to withstand the elements. Whether you're swimming, snorkeling, or just enjoying everyday wear, this Aqua Terra is the perfect companion. Its versatile design effortlessly transitions from casual to formal occasions, making it a staple in any wardrobe.

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Key Features

Omega caliber 8521 movement
Mother of Pearl dial with gem-set indexes
Water resistance up to 150 meters
Automatic winding and Co-Axial escapement for accurate timekeeping
Scratch-resistant sapphire crystal
Robust stainless steel case
50-hour power reserve

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 34 Stainless Steel / Diamond / MOP

Reference

231.18.34.20.55.001

Movement

8521

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Stainless Steel 34mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra 150m Master Co-Axial Golf EditionWatch 220.12.41.21.01.002 (2020)

Omega - 220.12.41.21.01.002 · $5,500

Water Resistance: 150m

Posted at

Dec 26, 2025, 9:08 PM

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Omega Aqua Terra 2504.50 - 36mm - Clean ‼️✈️

Omega - 2504.50 · $2,695

Aqua Terra 36mm Co-Axial Automatic with stunning dial and great movement.

Condition: overall amazing shape
Size: 36mm diameter
No Service History: true

Posted at

Dec 26, 2025, 5:58 PM

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Omega Aqua Terra Rubber Strap - 19mm - Black

Omega - Aqua Terra (38mm/38.5mm) · $525

A Omega Aqua Terra rubber strap in black for both 38mm and 38.5 mm watches, available for the horizontal teak, vertical teak, and shades models.

Condition: Very little signs of wear
Strap size: 19mm
Material: rubber

Posted at

Dec 26, 2025, 8:47 AM

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Omega Seamaster Aqua Terra First Gen 2503.30 39mm Automatic $2200

Omega - 2503.30 · $2,200

This Omega Seamaster Aqua Terra is a first generation model from 2006, featuring a 39mm case and an automatic movement.

Condition: Pre-owned, recently polished
Year of production: 2006
Movement type: Automatic

Posted at

Dec 25, 2025, 11:03 PM

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Omega Aqua Terra GoodPlanet Special Release - Titanium - Lacquered Dial - 38.5mm

Omega - 23192392104001 · $4,200

Limited-edition Omega Seamaster Aqua Terra 150M 'GoodPlanet' Special Release featuring a grade 5 titanium case, lacquered white dial, and striking blued hands and indices. It is powered by the Omega Master Co-Axial Calibre 8500.

Condition: Excellent all-around condition
Case material: Grade 5 titanium
Dial color: Lacquered white
Movement: Omega Master Co-Axial Calibre 8500

Posted at

Dec 23, 2025, 1:00 PM

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Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak

Omega - 231.10.39 · $1,800

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39. This watch measures at 39mm and has a Calibre OMEGA 4564 quartz movement.

Condition: Good condition, some minor marks/hairlines on the case and sapphire crystal
Case size: 38.5mm diameter
Movement: Calibre OMEGA 4564 quartz
Bracelet length: up to 7-7.25 inch wrists depending on wrist shape

Posted at

Dec 22, 2025, 8:23 PM

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[WTT], [WTS] Omega Aqua Terra 41mm Blue Teakwood Dial for SMP300 White Dial or $5,400

[WTT], Omega Aqua Terra 41mm Blue Teakwood Dial for SMP300 White Dial or $5,400

Omega - 220.13.41.21.03.003 · $5,400

A 41mm Omega Aqua Terra with blue teakwood dial, received as an inheritance and now being traded for a Seamaster Professional 300 or sold outright.

Condition: Excellent condition, minimal wear
Movement: Calibre 8900
Water Resistance: 150m depth rating

Posted at

Dec 22, 2025, 7:28 PM

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2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4750 + Label

Omega - 220.10.38.20.12.001 · $4,750

A 2023 Omega Seamaster Aqua Terra Shades Collection in Saffron color, featuring a symmetrical case and crown in polished stainless steel, with a lacquered and sun-brushed saffron dial. Powered by OMEGA's Co-Axial Master Chronometer calibre 8800.

Condition: Lightly worn, minor scuffs on clasp
Case size: 38mm
Movement: Co-Axial Master Chronometer calibre 8800

Posted at

Dec 22, 2025, 3:51 PM

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OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

OMEGA - 220.10.38.20.13.003 · $6,500

The OMEGA Seamaster Aqua Terra introduces a vibrant splash of color to the collection with its stunning Terracotta dial, featuring a symmetrical case design that is both elegant and comfortable on the wrist.

Condition: [UNWORN]
Case diameter: 38mm
Bracelet size: ~7"
Water resistance: 150m

Posted at

Dec 22, 2025, 9:12 AM

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