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

Reference 231.55.30.20.55.001

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

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a masterpiece of horological innovation, blending advanced technology with luxurious design. Its self-winding Caliber 8521 movement boasts precision and reliability thanks to its Co-Axial Escapement, ensuring accuracy and longevity. The watch's red gold case is durable and visually stunning, complemented by a mother of pearl dial that shimmers with iridescent quality. Diamond-set bezel and indexes add opulence without excess, while the 30mm diameter makes it perfect for smaller wrists. A water resistance of 150 meters ensures durability in wet conditions, making it ideal for active lifestyles. The watch's Geneva waves in arabesque finish speak to Omega's commitment to aesthetic excellence, making the movement as visually appealing as it is functional. With a power reserve of up to 50 hours and an automatic winding capability, this timepiece delivers on both form and function.

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Key Features

Self-winding Caliber 8521 movement
Co-Axial Escapement for improved accuracy and longevity
Red gold case with durable and visually stunning design
Mother of pearl dial with iridescent quality
Diamond-set bezel and indexes for added opulence
Water resistance of 150 meters for durability in wet conditions
Power reserve of up to 50 hours with automatic winding capability

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.55.30.20.55.001

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 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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2024 Omega Seamaster Aqua Terra 220.10.41.21.03.002 $5399

Omega - 220.10.41.21.03.002 · $5,399

2024 Omega Seamaster Aqua Terra with a blue dial and 150M water resistance. The watch is in good condition with light wear on the bracelet and clasp.

Condition: Pre Owned, Cosmetic Condition: 8/10
Case size: 41mm diameter
Movement: 8900 caliber
Power reserve: 60 hours

Posted at

Apr 17, 2026, 12:31 PM

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Omega Seamaster Aqua Terra 150M 41.5mm Silver Teak 231.10.42.21.02.003 — Full Set

Omega - 231.10.42.21.02.003

The Omega Seamaster Aqua Terra 150M 41.5mm Silver Teak is a luxury watch featuring a 41.5mm diameter case and a silver and teak dial.

Size: 41.5mm diameter

Posted at

Apr 17, 2026, 7:27 AM

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Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $3,200 - Reserved post for u/Kind_Sign_2849

Omega - 231.10.39.21.02.002 · $3,200

Up for sale is my Omega Aqua Terra 231.10.39.21.02.002 Cal 8500, measuring at 39mm with a Calibre OMEGA 8500 movement.

Condition: Great condition, minimal marks on the case and bracelet
Case Size: 39mm diameter
Movement: Calibre OMEGA 8500
Bracelet Type: Original Omega steel bracelet

Posted at

Apr 17, 2026, 4:18 AM

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2018 Omega Seamaster Aqua Terra 150M 38.5mm Teak - 231.10.39.21.02.001 - Box & Papers

Omega - 231.10.39.21.02.001 · $3,100

Aqua Terra features a 38.5mm diameter case, perfect size for every outfit.

Condition: Excellent condition
Size: 38.5mm diameter

Posted at

Apr 17, 2026, 3:55 AM

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Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $2,650

Omega - 231.10.39 Cal 8500 · $2,650

Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500, measuring at 39mm with a Calibre OMEGA 8500 movement.

Condition: Great condition, minor marks on case and crystal
Case size: 39mm
Bracelet type: Original Omega steel
Movement type: Calibre OMEGA 8500

Posted at

Apr 16, 2026, 8:47 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 in excellent condition.

Condition: Excellent condition with minimal signs of wear
Year: 2023
Length: 41.5mm diameter
Contents: Watch,Inner & Outer Box,Card Holder,International Warranty Card,Pictograms Card,Instructions Manual,Hang Tag

Posted at

Apr 16, 2026, 5:40 PM

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