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 231.10.39.60.06.001 $2,225

Omega - 231.10.39.60.06.001 · $2,225

The Omega Seamaster Aqua Terra Quartz is a versatile luxury watch with exceptional movement technology, often cited as an ideal 'one-and-only-one' watch.

Condition: Excellent pre-owned condition
Case diameter: 38.5mm
Lug width: 19mm
Lug-to-lug length: 45.4mm

Posted at

Apr 26, 2026, 12:54 PM

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Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega - Aquaterra 41mm · $400

A lightly worn OEM Omega Aquaterra strap with end link and deployant clasp.

Condition: Very lightly worn
Lug Width: 20mm
Strap Material: rubber

Posted at

Apr 25, 2026, 4:50 PM

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Sept 2025 Omega Aqua Terra 41mm. Green Teak Dial. 220.10.41.21.10.001. Full Set.

Omega - 220.10.41.21.10.001 · $4,695

This Omega Aqua Terra is a 41mm watch with a Green Teak dial, featuring a full set and under warranty.

Condition: Full set with minimal wear
Diameter: 41mm
Warranty status: under warranty

Posted at

Apr 25, 2026, 4:09 PM

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2024 Omega Seamaster Aqua Terra Red Dial on Bracelet 220.10.38.20.13.003 B+P

Omega - 220.10.38.20.13.003 · $5,600

The Omega Seamaster Aqua Terra Shades stands out with its rich red dial, offering a fresh take on the classic Aqua Terra design.

Condition: Mint condition
Case diameter: 38mm
Movement type: Self-winding Mechanical
Case material: Stainless Steel

Posted at

Apr 25, 2026, 2:12 PM

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2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

Omega - 231.10.42.21.03.003 · $4,795

This Omega Seamaster Aqua Terra Skyfall Blue features a blue dial and is a limited edition model from 2023.

Condition: Excellent condition with minimal signs of wear.
Length: 41.5mm

Posted at

Apr 25, 2026, 9:55 AM

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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

The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial that captures the essence of a perfect day at sea.

Condition: VERY GOOD - Some light scratches on case and bracelet.
Case size: 43mm
Bracelet size: ~7"
Contents: ULTIMATE SET - Includes box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt

Posted at

Apr 24, 2026, 6:15 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 Terracotta dial, symmetrical case design, and is powered by the Co-Axial Master Chronometer Calibre 8800.

Condition: UNWORN
Bracelet size: ~7"
Contents: ULTIMATE SET (includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt)
Case dimensions: 38mm

Posted at

Apr 24, 2026, 6:12 PM

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