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

Reference 231.55.34.20.55.003

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

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial 34 Sedna Gold is a masterpiece of watchmaking, boasting exquisite craftsmanship and innovative technology. This stunning timepiece features a unique Sedna Gold alloy, Mother of Pearl dial, and gem-set indexes and bezel, exuding luxury and warmth. The round shape and elegant bracelet ensure a comfortable fit for any wrist size, making it perfect for both casual and formal settings. With a water resistance of 150 meters, this watch is built for adventure, handling splashes, swimming, and snorkeling with ease. At its core lies the Omega Caliber 8521 movement, featuring a Co-Axial Escapement that improves precision, stability, and durability. The free-sprung balance system with a silicon balance-spring enhances accuracy, making it a chronometer you can trust. With automatic winding in both directions and a power reserve of 50 hours, this watch is always ready to go. Its luxurious feel matches the stunning exterior, giving you a glimpse into its intricate workings through the open case back.

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MSRP: $37,900

Market Price: $13,381

Key Features

Sedna Gold alloy
Mother of Pearl dial
Gem-set indexes and bezel
Co-Axial Escapement movement
Automatic winding in both directions
50-hour power reserve
150-meter water resistance

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.55.34.20.55.003

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 231.10.39.21.01.001 Black Teak 38.5mm - $2,890

Omega - 231.10.39.21.01.001 · $2,890

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001, measuring at 38.5mm with an automatic Omega Calibre 8500 movement.

Condition: Very good condition for its age, with minimal marks/hairlines
Movement: Omega Calibre 8500
Case size: 38.5mm diameter
Bracelet: Original Omega steel bracelet

Posted at

Apr 27, 2026, 8:58 PM

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Omega Aqua Terra 38.5MM 231.10.39.21.02.001 | 2017 Full Set reserved for u/Icy-Mastodon7192

Omega - 231.10.39.21.02.001 · $3,375

This Omega Aqua Terra is a full set from 2017, featuring a 38.5MM case.

Condition: Excellent Pre-Owned Condition
Case diameter: 38.5MM

Posted at

Apr 27, 2026, 7:48 PM

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Omega Seamaster Aqua Terra 220.10.41.21.06.001 Grey Dial Full Set

Omega - 220.10.41.21.06.001 · $5,295

The Omega Seamaster Aqua Terra Ref. 220.10.41.21.06.001 is a stainless steel watch with a grey teak dial and automatic movement, featuring a 41 mm case.

Condition: Very good
Case size: 41 mm
Material: stainless steel
Bracelet: stainless steel bracelet

Posted at

Apr 27, 2026, 1:44 PM

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Omega Aqua Terra 39mm Automatic

Omega - 2503.80 · $2,400

Up for sale is my Omega Aqua Terra 39mm Automatic watch, which sports a stunning blue dial and beautifully polished indices.

Condition: Great condition
Diameter: 39mm

Posted at

Apr 27, 2026, 10:28 AM

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Omega Seamaster Aqua Terra 2503.33 - $2,750

Omega - 2503.33 · $2,750

Up for sale is the Omega Seamaster Aqua Terra 2503.33, measuring 39mm and featuring an automatic movement.

Condition: Very good condition
Case size: 39mm diameter
Movement type: Omega 2500 automatic
Bracelet material: Steel

Posted at

Apr 26, 2026, 10:02 PM

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Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega - 2504.50 · $2,490

This watch measures 36mm and has an automatic movement. The Omega Seamaster Aqua Terra features a steel case on an original Omega Steel bracelet.

Condition: 8.9/10 great condition with minimal patina on dial indices and hands
Case size: 36mm diameter
Bracelet type: Steel original Omega bracelet
Crystal type: Sapphire crystal

Posted at

Apr 26, 2026, 9:59 PM

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Omega Aqua Terra 38.5mm Blue Dial

Omega - 231.10.39.21.03.002 · $3,500

The Omega Aqua Terra features a dark blue dial with vertical teak pattern and measures 38.5mm in diameter, with a lug width of 19mm and thickness of 12.84mm.

Condition: Good condition
Case Diameter: 38.5 mm
Lug Width: 19 mm
Thickness: 12.84 mm

Posted at

Apr 26, 2026, 5:45 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 an annual calendar complication, a clean design, and is suitable for everyday wear. The watch has a stainless steel case and bracelet with deployant clasp.

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

Posted at

Apr 26, 2026, 4:02 PM

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