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 Aqua Terra 8900 41mm Turquoise 220.10.41.21.03.006 ( new / 2026 / box and papers )

Omega - 220.10.41.21.03.006 · $6,450

Up for sale is a brand new Omega Aqua Terra 8900 41mm Turquoise Dial on Bracelet, complete with all boxes and papers.

Condition: Brand new
Case size: 41mm diameter
Movement type: Master Chronometer Movement

Posted at

Apr 10, 2026, 1:36 PM

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Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

Omega - 220.10.41.21.10.001 · $5,995

This Omega Aqua Terra 8900 features a green dial and is paired with a stainless steel case, equipped with the Master Co-Axial Movement.

Condition: Brand new
Case size: 41mm diameter
Movement: Master Co-Axial

Posted at

Apr 10, 2026, 1:31 PM

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Omega Aqua Terra 8800 38mm White Diver 220.12.38.20.02.001 ( new / 2026 / box and papers )

Omega - 220.12.38.20.02.001 · $5,950

A brand new Omega Aqua Terra 8800 38mm stainless steel watch with a white dial on a rubber strap, coming complete with all boxes and papers.

Condition: Brand new
Movement Type: Master Chronometer Movement
Case Material: Stainless Steel
Case Size: 38mm diameter

Posted at

Apr 10, 2026, 1:26 PM

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Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega - 220.12.38.21.10.001 · $5,750

This Omega Aqua Terra 8800 features a 38mm stainless steel case, green dial, and master co-axial movement.

Condition: Brand new
Case material: Stainless Steel
Movement type: Master Co-Axial

Posted at

Apr 10, 2026, 1:22 PM

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Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025

Omega - 220.10.43.22.03.001 · $7,980

This Omega Seamaster Aqua Terra Worldtimer features a striking blue dial and matching blue strap, showcasing one of Omega's most impressive complications. The watch boasts a 43mm stainless steel case, laser-ablated world map center, and global city ring on the ceramic bezel.

Condition: New / Unworn
Case size: 43mm diameter
Water resistance: 150m depth rating
Power reserve: 60 hours

Posted at

Apr 9, 2026, 11:04 PM

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Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200

The Omega Seamaster Aqua Terra features a 38.5mm stainless steel case on a stainless steel bracelet with a deployant clasp, and it's equipped with the Omega Co-Axial calibre 8601. What sets this watch apart is its annual calendar complication, which automatically accounts for months with 30 or 31 days and only needs adjustment once per year.

Condition: Excellent
Case size: 38.5mm diameter
Case material: stainless steel
Bracelet material: stainless steel

Posted at

Apr 9, 2026, 5:18 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 Omega Aqua Terra 8900 features a 41mm stainless steel and black ceramic case with a turquoise dial, showcasing the brand's Master Chronometer movement.

Condition: Brand new
Movement: Master Chronometer Movement
Case material: Stainless Steel / Black Ceramic
Size: 41mm diameter

Posted at

Apr 9, 2026, 2:08 PM

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BNIB Omega Seamaster Aqua Terra Black Lacquer 41mm Full Kit - REF# 220.10.41.21.01.0 $6,449 + label

Omega - 220.10.41.21.01.0 · $6,449

This Omega Seamaster Aqua Terra features a black lacquer dial and is powered by OMEGA's Co-Axial Master Chronometer calibre 8900, certified at the industry's highest standard.

Condition: Brand new, fully stickered, unworn
Calibre: Co-Axial Master Chronometer 8900
Case Material: Black Lacquer Dial (Blackquaterra)

Posted at

Apr 9, 2026, 11:45 AM

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