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

Reference 231.50.34.20.55.001

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

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold is a statement of sophistication and style. This exquisite timepiece combines elegance, innovation, and performance, making it a timeless classic. With its luxurious Sedna gold case, mother-of-pearl dial, and gem-set indexes, this watch exudes luxury and craftsmanship. The Omega caliber 8521 movement features a self-winding mechanism with automatic winding in both directions, ensuring greater stability and durability. The free-sprung balance system, coupled with a silicon balance spring, ensures reliable timekeeping. This watch is water-resistant up to 150 meters, making it perfect for both casual and formal occasions. With chronometer certification, this watch has undergone rigorous testing to ensure its accuracy and reliability. Its durable construction, scratch-resistant sapphire glass, and elegant design make it a practical choice for those who value luxury without the worry.

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MSRP: $31,600

Market Price: $11,101

Key Features

Sedna gold case
Mother-of-pearl dial
Co-Axial escapement for enhanced precision
Chronometer certification
Water resistance up to 150 meters
Scratch-resistant sapphire glass

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.50.34.20.55.001

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 Grey Teak 38.5mm Automatic - 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,995

This Omega Seamaster Aqua Terra features a grey teak dial, automatic movement, and a 38.5mm case size, giving it a clean and versatile look.

Condition: Pre-owned, great condition with light wear throughout
Size: 38.5mm diameter
Wrist size: not specified
Depth rating: not specified

Posted at

May 25, 2026, 6:44 PM

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Omega Seamaster Aqua Terra – Black Lacquer – 38mm – Recent Factory Service/Regulation

Omega - 220.10.38.20.01.004 · $5,200

A 38mm Omega Seamaster Aqua Terra with a black lacquer dial is up for sale. This GADA piece has been recently serviced by Omega under factory warranty and comes with official paperwork. It features a polished bezel, crystal, and dial.

Condition: Overall good, honest condition with minor hairline scratches and surface scratches from desk wear.
Case Size: 38mm
Bezel Material: polished bezel

Posted at

May 25, 2026, 3:14 PM

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Omega Seamaster Aqua Terra Quartz 38.5mm Grey Teak ref. 231.10.39.60.06.001

Omega - 231.10.39.60.06.001 · $2,050

A Omega Seamaster Aqua Terra quartz watch with a dark grey vertical teak pattern dial, featuring a 38.5mm case size.

Condition: Great to excellent
Case Size: 38.5mm
Caliber: Cal. 4564
Crystal Condition: Excellent

Posted at

May 25, 2026, 10:24 AM

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Omega Aqua Terra - 220.10.41.21.06.001 - Gray Blue Variant - Near Mint

Omega - 220.10.41.21.06.001 · $4,445

Aqua Terra in Gray with blue accents, good condition and includes full kit.

Condition: Near mint with a few hairlines
Box Type: Brown outer box and inner Omega Wood Style box
Extras: Full kit, extra links, hang tag, two cards

Posted at

May 25, 2026, 9:40 AM

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Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial Box and Papers - $3,250

Omega - 231.10.39.21.02.002 · $3,250

This Omega Aqua Terra 231.10.39 Cal 8500 is a 39mm watch with an OMEGA 8500 movement.

Condition: Great condition, minimal marks on case and caseback
Case size: 39mm
Movement: Calibre OMEGA 8500
Bracelet material: Steel

Posted at

May 24, 2026, 9:54 PM

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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

This Omega Aqua Terra features a Calibre OMEGA 8500 movement, measuring 39mm in diameter. It has a steel case with an original Omega steel bracelet.

Condition: Great condition, 8.9/10 for case and bracelet
Movement: Calibre OMEGA 8500
Case size: 39mm
Bracelet type: Original Omega steel bracelet (replaced with OEM all brushed version)

Posted at

May 24, 2026, 9:52 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 measures at 38.5mm and has an automatic Omega Calibre 8500 movement.

Condition: Very good condition for its age
Case size: 38.5mm
Movement: Automatic Omega Calibre 8500
Bracelet material: Steel

Posted at

May 24, 2026, 9:01 PM

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Omega Seamaster Aqua Terra “Turquoise Shades” 41mm Reduced

Omega - 220.10.41.21.03.006 · $5,900

Up for sale is my Omega Seamaster Aqua Terra Shades in the stunning turquoise lacquer dial configuration, featuring a sunburst/turquoise gradient effect that shifts beautifully in different lighting.

Condition: Pretty good overall condition with normal signs of wear
Case size: 41mm
Movement: Omega Co-Axial Master Chronometer Caliber 8900
Power reserve: 60 Hours

Posted at

May 24, 2026, 5:55 PM

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