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

Reference 231.20.30.20.55.001

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

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a luxury watch that combines exquisite craftsmanship with robust functionality, featuring a harmonious blend of stainless steel and red gold, an elegant Mother of Pearl (MOP) dial, and impressive specifications. With its stunning design, reliable movement, and impressive water resistance, it's a versatile choice for both land and sea. The MOP dial is a standout feature, showcasing a beautiful play of colors that changes with light, while the gem-set indexes add a touch of glamour. The watch boasts a certified chronometer movement, ensuring accurate timekeeping, and features an automatic movement with a power reserve of 50 hours. Its comfort is also noteworthy, feeling lightweight yet sturdy on the wrist, making it perfect for everyday wear.

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Key Features

Omega Caliber 8520 automatic movement
Certified chronometer by COSC
Water resistance up to 150 meters
Mother of Pearl (MOP) dial with gem-set indexes
Arrow-shaped hands for easy readability
Open case back for viewing the movement
Harmonious blend of stainless steel and red gold materials

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.20.30.20.55.001

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 - 231.10.39.21.02.001 - With Papers - $3,250 ✈️

Omega - 231.10.39.21.02.001 · $3,250

This Omega Seamaster Aqua Terra is a high-end watch that combines style and functionality.

Papers: included

Posted at

May 20, 2026, 6:47 PM

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Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200

A versatile Omega Seamaster Aqua Terra Annual Calendar watch in blue dial that strikes a balance between technical sophistication and everyday wearability, featuring an annual calendar complication and clean design.

Condition: Excellent
Case Size: 38.5mm
Movement: Omega Co-Axial calibre 8601

Posted at

May 20, 2026, 12:56 PM

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2025 Omega Aqua Terra Worldtimer Titanium 220.92.43.22.99.001 - $9,500

Omega - 220.92.43.22.99.001 · $9,500

The Omega Seamaster Aqua Terra 150M GMT Worldtimer features a 43mm titanium case, brushed black ceramic bezel, and a black and grey dial with a laser-ablated topographic view of Earth. It also includes a 24-hour day/night ring with 24 world cities and is powered by the Co-Axial Master Chronometer Calibre 8938.

Condition: Excellent with minimal signs of wear
Case material: grade 2 titanium
Bezel material: brushed black ceramic
Dial description: black and grey with laser-ablated topographic view of Earth from above the North Pole

Posted at

May 19, 2026, 2:10 PM

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Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001 - Price Reduced!

Omega - 231.10.42.21.02.001 · $2,895

Condition: Very clean pre-owned condition with light wear throughout
Size: 41.5mm diameter

Posted at

May 19, 2026, 12:30 PM

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Omega Seamaster Aqua Terra 41.5mm "Spectre" Blue - 231.10.42.21.03.003

Omega - 231.10.42.21.03.003 · $3,650

This is a watch-only example of the Omega Seamaster Aqua Terra 'Spectre' Blue, featuring a 41.5mm size and blue dial.

Condition: Pre-owned, great condition with light wear
Size: 41.5mm diameter
Bracelet: center links are brushed instead of polished

Posted at

May 19, 2026, 12:26 PM

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Omega Seamaster Aqua Terra First Gen 39.2mm Black Dial — Ref. 2503.50.00 | Fresh Service | $2,599 Shipped

Omega - 2503.50.00 · $2,599

First-generation Omega Seamaster Aqua Terra ref. 2503.50.00, featuring a 39.2mm case and elegant glossy black dial. Powered by the reliable Omega Co-Axial Cal. 2500, this watch represents a perfect balance between dress watch refinement and everyday versatility.

Condition: very good condition overall
Case size: 39.2mm
Lug-to-lug length: ~46mm
Thickness: ~11.5mm

Posted at

May 19, 2026, 10:37 AM

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Omega Worldtimer Aqua Terra 150m box and papers 43mm $7900+ label

Omega - Worldtimer Aqua Terra 150m box and papers 43mm · $7,900

This Omega Worldtimer Aqua Terra 150m features a 43mm case size, 60 hour power reserve, integrated 18k gold bracelet, and 150 meter water resistance.

Condition: Excellent condition with minor scratches on the bracelet, ripped outer box flap, and taped fix
Bracelet size: 43mm
Water resistance: 150m
Depth rating: 150m depth rating

Posted at

May 18, 2026, 9:24 PM

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Omega Seamaster Aqua Terra 2400

Omega - Aqua Terra 2400

This Omega Seamaster Aqua Terra 2400 is in excellent condition, with a previous owner-reported accuracy of +3 seconds per day. The watch comes with a watch-only bracelet that fits a 7.5-inch wrist.

Condition: fantastic condition, super clean and running super well
Bracelet size: fits about a 7.5 inch wrist
Accuracy: +3 seconds a day

Posted at

May 18, 2026, 5:50 PM

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Omega Seamaster Aqua Terra 220.10.41.21.06.001 41mm Automatic Grey Dial Full Set

Omega - 220.10.41.21.06.001 · $4,995

This Omega Seamaster Aqua Terra features a stainless steel case, grey teak dial, and automatic movement. It comes with an original outer box, inner box, and undated warranty card.

Condition: Very good condition
Movement type: Automatic
Bracelet material: Stainless steel
Case size: 41 mm

Posted at

May 18, 2026, 8:49 AM

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