Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold / MOP

Reference 231.53.34.20.55.001

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold / MOP is a masterpiece of luxury watchmaking, combining exquisite design with precision and reliability. The Sedna Gold case is visually striking, while the Mother of Pearl dial is a showstopper, featuring unique swirling patterns that reflect light in an ethereal way. The Omega caliber 8521 movement, powered by a Co-Axial escapement, reduces friction between moving parts for enhanced accuracy and longevity. With a water resistance of 150 meters, this watch can withstand the rigors of both land and sea adventures. Its versatility is unparalleled, transitioning seamlessly from formal to casual wear. The adjustable clasp ensures a perfect fit on most wrists, while the soft leather strap or gold bracelet adds to the overall comfort. This timepiece is an investment in luxury, craftsmanship, and innovative technology, making it a lasting symbol of style and a testament to Omega's commitment to excellence.

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MSRP: $17,200

Market Price: $5,727

Key Features

Sedna Gold case
Mother of Pearl dial with gem-set indexes
Omega caliber 8521 movement with Co-Axial escapement

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold / MOP

Reference

231.53.34.20.55.001

Movement

8521

Movement Features

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

Case

Sedna Gold 34mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra 220.10.41.21.06.001 41mm Automatic Grey Dial Full Set

Omega - 220.10.41.21.06.001 · $4,995

This Omega Seamaster Aqua Terra features a stainless steel case, grey teak dial, and automatic movement. It comes with an original outer box, inner box, and undated warranty card.

Condition: Very good condition
Movement type: Automatic
Bracelet material: Stainless steel
Case size: 41 mm

Posted at

May 18, 2026, 8:49 AM

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Omega Aqua Terra Quartz 2517.80 39mm Box and Papers - $1,890

Omega - 2517.80 · $1,890

Up for sale is my Omega Seamaster 2517.80, a quartz watch with Calibre Omega 1538 movement and a steel case on original Omega steel bracelet.

Condition: great condition, minimal marks on the case and bracelet
Case size: 39mm diameter
Movement: Calibre Omega 1538 quartz
Bracelet type: original Omega steel bracelet

Posted at

May 17, 2026, 9:26 PM

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View listing on r/WatchExchange

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial - $2,950

Omega - 231.10.39.21.02.002 · $2,950

Up for sale is my great condition Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial.

Condition: Great condition, minimal marks on case and caseback
Case Size: 39mm diameter
Bracelet Type: Original Omega steel bracelet (replaced with OEM all brushed version)
Movement: Calibre OMEGA 8500

Posted at

May 17, 2026, 9:22 PM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,590

Omega - 231.10.39.21.01.001 · $2,590

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001. This watch has an automatic Omega Calibre 8500 movement and measures at 38.5mm.

Condition: Very good condition, minor marks/hairlines
Movement: Omega Calibre 8500
Case size: 38.5mm
Bracelet type: Original Omega steel bracelet

Posted at

May 17, 2026, 9:16 PM

Active

View listing on r/WatchExchange