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

Reference 231.20.30.20.55.004

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

About this watch

The Omega Seamaster Aqua Terra 231.20.30.20.55.004 is a stunning luxury watch that combines exquisite craftsmanship with functional features, making it a worthy addition to any watch lover's collection. This 30mm timepiece boasts a harmonious blend of stainless steel and yellow gold, exuding a sense of wealth without being ostentatious. The Mother of Pearl dial reflects light beautifully, creating a shimmering effect that’s both captivating and unique. With a water resistance rating of 150 meters, this watch can accompany you on swimming adventures or simply withstand splashes during daily activities. At its heart, the Omega Seamaster Aqua Terra is powered by the Omega caliber 8520, an automatic movement boasting a 50-hour power reserve and Co-Axial escapement, improving precision and durability. This elegant timepiece features a classic analog display with hours, minutes, and seconds hands, along with a date function. Its luxurious materials, innovative movement, and stunning design make it a standout choice for anyone seeking a high-end timepiece that combines elegance with functionality.

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Key Features

Mother of Pearl dial
Harmonious stainless steel and yellow gold case
Automatic Omega caliber 8520 movement
50-hour power reserve
Co-Axial escapement
150-meter water resistance
Classic analog display with date function

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Yellow Gold / MOP / Bracelet

Reference

231.20.30.20.55.004

Movement

8520

Movement Features

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

Case

30mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra Quartz - White Dial - 231.10.39.61.02.001 - With Papers - Price Reduced!

Omega - 231.10.39.61.02.001 · $1,895

This Omega Seamaster Aqua Terra Quartz features a white dial and is powered by a quartz movement, making it a great daily watch.

Condition: Pre-owned with minor wear throughout and light scratch on top right lug/bezel
Size: 38.5mm diameter
Movement: Quartz movement

Posted at

Feb 20, 2026, 7:03 PM

Active

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Omega Aqua Terra Shades - 38mm Sandstone - 220.10.38.20.09.001

Omega - 220.10.38.20.09.001 · $3,995

This Omega Seamaster Aqua Terra Shades 'Sandstone' is a watch-only example in good condition with a stunning dial. It's running exceptionally well at approximately +1 second/day with 300+ amplitude.

Condition: lightly pre-owned with light, normal wear throughout
Size: 38mm diameter
Wrist size: varies (shown in photo reel)
Movement accuracy: +1 second/day

Posted at

Feb 20, 2026, 6:55 PM

Active

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Omega Seamaster Aqua Terra 2518.30 €1750

Omega - 2518.30 · $1,750

The Omega Seamaster Aqua Terra is a luxury watch model that combines style and functionality. It features a sleek design with a 41mm case size, making it suitable for both men and women.

Condition: really good condition with minor signs of wear
Box: original box included
Links: all original links and parts

Posted at

Feb 20, 2026, 5:56 PM

Active

View listing on r/WatchExchange