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

Reference 231.20.30.20.55.003

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 masterpiece that embodies luxury, precision, and sophistication. Its round case crafted from stainless steel and luxurious red gold exudes elegance and refinement, making it suitable for both everyday wear and formal occasions. The stunning mother of pearl dial shimmers in the light, offering a unique play of colors that changes with the angle. Equipped with an automatic Omega caliber 8520 movement, this watch guarantees superior accuracy and precision. With a water resistance of 150 meters, you can trust it to withstand aquatic adventures. The sapphire crystal glass adds an extra layer of protection against scratches, ensuring your watch remains pristine. The Aqua Terra is not just a timepiece; it's a piece of art that you can wear on your wrist. Its resale value tends to hold up well, making it a wise investment for anyone who appreciates luxury and sophistication.

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Key Features

Omega caliber 8520 automatic movement
Stainless steel and red gold dual-material case
Mother of pearl dial with gem-set indexes
Sapphire crystal glass for scratch protection
150m water resistance
Round diameter: 30mm
Certified chronometer

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.20.30.20.55.003

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 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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Omega Aqua Terra Quartz 2517.80 39mm Box and Papers - $1,890

Omega - 2517.80 · $1,890

Up for sale is my Omega Seamaster 2517.80, a quartz watch with Calibre Omega 1538 movement and a steel case on original Omega steel bracelet.

Condition: great condition, minimal marks on the case and bracelet
Case size: 39mm diameter
Movement: Calibre Omega 1538 quartz
Bracelet type: original Omega steel bracelet

Posted at

May 17, 2026, 9:26 PM

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Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial - $2,950

Omega - 231.10.39.21.02.002 · $2,950

Up for sale is my great condition Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial.

Condition: Great condition, minimal marks on case and caseback
Case Size: 39mm diameter
Bracelet Type: Original Omega steel bracelet (replaced with OEM all brushed version)
Movement: Calibre OMEGA 8500

Posted at

May 17, 2026, 9:22 PM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,590

Omega - 231.10.39.21.01.001 · $2,590

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001. This watch has an automatic Omega Calibre 8500 movement and measures at 38.5mm.

Condition: Very good condition, minor marks/hairlines
Movement: Omega Calibre 8500
Case size: 38.5mm
Bracelet type: Original Omega steel bracelet

Posted at

May 17, 2026, 9:16 PM

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