Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / Diamond / MOP

Reference 231.28.30.20.55.001

Omega Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / Diamond / MOP

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30, reference 231.28.30.20.55.001, is a masterpiece of watchmaking that exudes luxury and sophistication. Its stunning Mother of Pearl dial shimmers with every movement, evoking the ocean's surface within an exquisite timepiece. The combination of red gold and stainless steel adds a touch of opulence, while the gem-set bezel sparkles like a starry night. At its heart lies the Omega caliber 8520, a marvel of engineering with a power reserve of 50 hours and Co-Axial escapement technology for enhanced longevity. Certified as a chronometer, this watch meets the highest standards of precision. With a water resistance of 150 meters, it's perfect for various activities, from swimming to everyday wear. The Aqua Terra's design is both elegant and functional, with a sleek case that houses the watch and all necessary documentation. This timepiece is an investment in luxury, craftsmanship, and practicality, making it a statement accessory that elevates any outfit.

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Key Features

Omega caliber 8520 automatic movement
50-hour power reserve and Co-Axial escapement technology
Certified chronometer with high precision standards
Water resistance of 150 meters for various activities
Gem-set bezel and Mother of Pearl dial for luxurious design
Red gold and stainless steel materials for durability and opulence
Sleek case with all necessary documentation

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / Diamond / MOP

Reference

231.28.30.20.55.001

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