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

Reference 231.50.30.20.55.001

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30 Red Gold / MOP / Bracelet is a masterpiece of luxury watchmaking, blending exquisite design with cutting-edge technology and timeless appeal. Its round case crafted from luxurious red gold exudes elegance, while the mother-of-pearl dial adds an ethereal quality that catches the light beautifully. The gem-set indexes elevate the overall aesthetic to new heights, providing a touch of glamour while ensuring easy readability. At the heart of this timepiece lies the Omega caliber 8521 movement, featuring a self-winding mechanism with Co-Axial escapement and automatic winding in both directions. This remarkable movement boasts an impressive power reserve of 50 hours, making it suitable for extended periods without wear. The Aqua Terra's durability is further enhanced by its water resistance of 150 meters, courtesy of the sapphire crystal glass. Whether you're dressing up or enjoying an active lifestyle, this watch seamlessly adapts to your wardrobe needs. Its versatility and style make it a perfect choice for anyone who appreciates luxury.

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Key Features

Omega caliber 8521 movement
Red Gold case and bracelet
Sapphire crystal glass
150M water resistance
50-hour power reserve
Co-Axial escapement
Automatic winding in both directions

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.50.30.20.55.001

Movement

8521

Movement Features

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

Case

Red Gold 30mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Two Tone State of Mind: Omega Seamaster Aqua Terra – Red Gold & Steel

Omega - 231.20.42.21.06.001 · $5,250

The Omega Seamaster Aqua Terra 150M - Red Gold & Steel features a beautifully balanced design with a grey-chocolate teak-pattern dial and red gold accents.

Condition: Excellent overall condition
Case size: 41.5mm diameter
Water resistance: 150M
Movement: in-house Co-Axial Caliber 8500

Posted at

May 28, 2026, 12:33 PM

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Omega Seamaster Aqua Terra 2518.50 36mm Full Kit - $2,150

Omega - 2518.50 · $2,150

Up for sale is a good condition Omega Seamaster Aqua Terra 2518.80 with a Calibre OMEGA 1538 quartz movement and measures at 36mm.

Condition: very good
Case condition rating: 8.8/10
Movement type: quartz

Posted at

May 27, 2026, 9:57 PM

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Omega Seamaster Aqua Terra 2504.50 - $1,990

Omega - 2504.50 · $1,990

Up for sale is my good condition Omega Seamaster Aqua Terra 2504.50.00, featuring an automatic movement and measuring 36mm in diameter.

Condition: Good condition with wear on sapphire crystal and oxidation/marks on dial/hands
Case size: 36mm diameter
Bracelet type: Original Omega Steel bracelet
Crystal condition: Sapphire crystal with damage and AR coating issues

Posted at

May 27, 2026, 9:09 PM

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Omega Seamaster Aqua Terra 2504.80.00 “First Gen” Mid-Size 36.2mm | Blue Sunburst Dial, Cal. 2500 Co-Axial, Fresh Service,Full Set | $2,899 Shipped

This is a first-generation Omega Seamaster Aqua Terra ref. 2504.80.00, featuring a blue sunburst dial and the Cal. 2500 Co-Axial chronometer movement.

Posted at

May 27, 2026, 5:09 PM

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2023 Omega Seamaster Aqua Terra - 231.10.39.21.02.001 - Box and Papers - Price Reduced!

Omega - 231.10.39.21.02.001 · $3,395

This Omega Seamaster Aqua Terra features a white dial and automatic movement. It is a versatile and highly desirable timepiece that comes with its original packaging, including the red Omega box, warranty card, and manual.

Condition: Very clean pre-owned example in great overall condition with very minimal wear.
Model: Seamaster Aqua Terra
Diameter: 38.5mm
Year: 2023

Posted at

May 27, 2026, 4:18 PM

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Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

Omega - 220.32.41.21.03.001 · $6,995

This is a brand new Omega Aqua Terra 8900 with a turquoise dial and black ceramic bezel, featuring a stainless steel case and master chronometer movement.

Case material: Stainless Steel / Black Ceramic
Movement type: Master Chronometer Movement

Posted at

May 26, 2026, 1:27 PM

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