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

2023 OMEGA Aqua Terra Worldtimer GMT Titanium - 220.92.43.22.99.001 - Full Set Extra OEM NATO Mint

OMEGA - 220.92.43.22.99.001 · $9,250

The Aqua Terra Worldtimer is a grade 2 titanium timepiece with a matte finish, black ceramic bezel, and laser etched dial featuring continents and indices. It's mounted on a black rubber integrated strap.

Condition: Very excellent pre-owned condition
Case size: 43mm diameter
Water resistance: 150m depth rating
Movement: Co-Axial Master Chronometer Calibre 8938 (METAS certified)

Posted at

Apr 8, 2026, 7:32 PM

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Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega - 220.10.43.22.03.002 · $7,999

This Omega Seamaster Aqua Terra Worldtimer features a stunning 'Summer Blue' dial with laser-ablated continents, showcasing one of the most visually impressive modern Omega pieces.

Condition: Brand new old stock and unworn
Case size: 43mm
Material: stainless steel
Movement: Omega Co-Axial Master Chronometer Caliber 8938

Posted at

Apr 8, 2026, 6:39 PM

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Omega - 2502.34.00 Seamaster Aqua Terra 150M Co-Axial 42.2 Stainless Steel

Omega - 2502.34.00 · $4,500

The Omega Seamaster Aqua Terra 150M Co-Axial features a 42.2mm stainless steel case and pristine white dial, exemplifying Omega's commitment to robust performance and elegant design.

Condition: Very good
Case size: 41MM diameter
Bezel material: Stainless
Movement type: Omega caliber 2500 Co-Axial Escapement Chronometer

Posted at

Apr 8, 2026, 5:56 PM

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2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,995

Omega - 231.10.42.21.03.003 · $4,995

Up for sale is a Omega Seamaster Aqua Terra Skyfall Blue, a 2023 model featuring a 41.5mm diameter case.

Condition: Excellent condition with minimal signs of wear
Case Size: 41.5mm diameter
Movement Testing: tested on a timegrapher

Posted at

Apr 8, 2026, 12:55 PM

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2024 Omega Seamaster Aqua Terra Terracotta Shades 38m Red Dial on Bracelet 220.10.38.20.13.003 B+P

Omega - 220.10.38.20.13.003 · $5,600

The Omega Seamaster Aqua Terra Shades 220.10.38.20.13.003 features a rich red terracotta dial on a 38mm stainless steel case, with a Master Chronometer movement delivering accuracy and reliability.

Condition: Mint condition, almost no signs of wear
Case Diameter: 38mm
Bezel Material: Stainless Steel
Dial Color: Red

Posted at

Apr 8, 2026, 12:47 PM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,290

Omega - 231.10.39.21.01.001 · $3,290

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001 with a steel case on original Omega steel bracelet.

Condition: very good for its age, minimal marks/hairlines on case, caseback, and bracelet
Movement: Omega Calibre 8500
Case size: 38.5mm diameter
Bracelet type: original Omega steel bracelet

Posted at

Apr 7, 2026, 9:27 PM

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2025 Omega Aqua Terra 150M 41mm 220.10.41.21.03.006

Omega - 220.10.41.21.03.006 · $6,200

Year: 2025
Depth rating: 150m
Case size: 41mm

Posted at

Apr 7, 2026, 9:04 PM

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Omega Seamaster Aqua Terra 150M 220.10.41.21.03.001 – Blue Teak Dial – VG – Box & Papers

Omega - 220.10.41.21.03.001 · $4,950

Condition: Very Good
Water Resistance: 150m
Power Reserve: ~60 hours
Case Size: 41mm diameter

Posted at

Apr 7, 2026, 2:24 PM

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Omega Seamaster Aqua Terra 231.10.42.21.02.001 - Price Reduced!

Omega - 231.10.42.21.02.001 · $2,895

This is a Watch-only example of the Omega Seamaster Aqua Terra in White Dial, model number 231.10.42.21.02.001, featuring a 41.5mm size and excellent condition.

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

Posted at

Apr 6, 2026, 6:21 PM

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