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

Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$5500

Omega - 220.10.41.21.02.001 · $5,500

A used Omega Seamaster Aqua Terra with a 41mm case size, sold as part of a full set including box and papers.

Condition: Pre-owned
Case size: 41mm
Box: true

Posted at

Apr 18, 2026, 5:54 PM

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2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

Omega - 231.10.42.21.03.003 · $4,795

Up for sale is a **Omega Seamaster Aqua Terra Skyfall Blue** in excellent condition, thoroughly tested on a timegrapher and running well.

Condition: Excellent condition with minimal signs of wear
Case size: 41.5mm diameter
Year: 2023

Posted at

Apr 18, 2026, 5:15 PM

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Omega Aqua Terra 2503.50

Omega - 2503.50 · $2,650

This Omega Aqua Terra 2503.50 is an automatic watch that has been serviced by the manufacturer, Omega.

Condition: Great condition with minor wear
Serviced: yes, by Omega
Payment Methods: crypto, all other methods except PayPal
Accepts Trades: yes, only for specified brands

Posted at

Apr 18, 2026, 2:30 PM

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Omega Seamaster Aqua Terra 150M 40mm Teal Gradient Dial 215.30.40.20.03.002 - Full Kit - $5,900

Omega - 215.30.40.20.03.002 · $5,900

This Omega Seamaster Aqua Terra features a 40mm stainless steel case with a teal gradient dial, Co-Axial Master Chronometer movement, and a screw-down crown.

Condition: Very good pre-owned condition
Case diameter: 40mm
Water resistance depth rating: 150m

Posted at

Apr 18, 2026, 2:06 PM

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Omega Aqua Terra 36mm Reference 2504.80 Deep blue sunray dial slim caliber 1120 all original (serviced) $2400

Omega - 2504.80 · $2,400

A Omega Aqua Terra with a 36mm case, deep blue sunray dial and slim caliber 1120.

Condition: pre-owned, serviced
Case diameter: 36mm

Posted at

Apr 18, 2026, 1:38 PM

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OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA - 220.10.43.22.03.002 · $9,600

A sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case, a dial showcasing a vision of Earth, and a Master Chronometer Calibre 8938.

Condition: VERY GOOD (some light scratches on case and bracelet)
Case diameter: 43mm
Bracelet size: ~7"

Posted at

Apr 17, 2026, 10:05 PM

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OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA - 220.10.38.20.13.003 · $6,100

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a 38mm stainless steel case with a Terracotta dial, powered by the Co-Axial Master Chronometer Calibre 8800.

Condition: UNWORN
Diameter: 38mm
Bracelet length: ~7 inches
Movement: Co-Axial Master Chronometer Calibre 8800

Posted at

Apr 17, 2026, 10:02 PM

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Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

Omega - 231.10.39.21.03.001 · $4,000

This Omega Seamaster Aqua Terra 150M 'SKYFALL' is a James Bond edition watch with a blue teak pattern dial, stainless steel case, and Omega Co-Axial 8500 calibre automatic movement. It features a 38.5mm diameter.

Condition: Excellent
Case size: 38.5mm
Movement: Omega Co-Axial 8500 calibre

Posted at

Apr 17, 2026, 6:01 PM

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