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

🆕2026 Full Set - OMEGA Aqua Terra 38 Bay Green Shades 220.10.38.20.10.002🆕

OMEGA - 220.10.38.20.10.002 · $5,695

Aqua Terra 38 Green Shades is a new OMEGA watch with a full set, including warranty card and linked bracelet.

Condition: New
Dimensions: 38mm diameter
Bracelet: Fully linked bracelet

Posted at

May 1, 2026, 4:02 PM

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Omega Aqua Terra 2503.50

Omega - 2503.50 · $2,450

For sale is an Omega Aqua Terra automatic, serviced by Omega and comes with service box.

Condition: great condition with some wear around the watch
Service history: serviced by Omega a couple years ago
Payment methods accepted: pretty much every payment method including crypto, except PayPal
Trading options: up or down trades ONLY for brands Tudor, Cartier, Rolex, Omega, Breitling, AP

Posted at

May 1, 2026, 11:13 AM

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Omega Seamaster Aqua Terra 150M - Full Set - Near Mint

Omega - 220.10.41.21.10.001 · $4,500

The Seamaster Aqua Terra is a tribute to OMEGA's rich maritime heritage, featuring a stainless steel case with a wave-edged design and a green sun-brushed dial with a horizontal "teak" pattern.

Condition: New in box - Near Mint
Case diameter: 41mm
Crystal type: Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
Caliber: Omega 8900

Posted at

Apr 30, 2026, 3:35 PM

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Omega Seamaster Aqua Terra 2503.80.00 — Blue Sunburst Dial — 39.2mm — Fresh Service — $2,799 Shipped (Tariff Covered)

Omega - 2503.80.00 · $2,799

This Omega Seamaster Aqua Terra features a blue sunburst dial and is powered by the Cal. 2500 Co-Axial automatic movement, recently serviced.

Condition: Excellent overall condition with normal signs of wear
Case diameter: 39.2mm
Case thickness: ~11.2mm
Lug width: 20mm

Posted at

Apr 30, 2026, 12:11 PM

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Omega Seamaster Aqua Terra 2504.80.00 — 36.2mm Blue Sunburst Dial — Fresh Serviced — $2,799 Shipped (Tariff Covered)

Omega - 2504.80.00 · $2,799

This Omega Seamaster Aqua Terra features a blue sunburst dial and is powered by an Omega Cal. 2500 Co-Axial automatic movement, which has recently been serviced.

Condition: Excellent
Case size: 36.2mm
Lug width: 18mm
Thickness: 11mm

Posted at

Apr 30, 2026, 9:52 AM

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Omega Seamaster Aqua Terra 2503.33 Box and Papers - $2,990 - Reserved Post for u/Wild-Company1531

Omega - 2503.33 · $2,990

Up for sale is my very good condition Omega Seamaster Aqua Terra 2503.33, measuring 39mm with an Omega 2500 automatic movement.

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

Posted at

Apr 30, 2026, 3:27 AM

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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, this watch measures at 38.5mm and has an automatic Omega Calibre 8500 movement.

Condition: Very good condition, minimal marks/hairlines
Case size: 38.5mm diameter
Bracelet material: Steel
Movement type: Automatic

Posted at

Apr 29, 2026, 10:09 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

Up for sale is a brand new Omega Aqua Terra 8900 with a Turquoise dial and Black Ceramic Bezel on Rubber Strap, complete with all boxes and papers.

Condition: Brand new
Case material: Stainless Steel / Black Ceramic
Movement: Master Chronometer Movement

Posted at

Apr 29, 2026, 2:35 PM

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2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,249.00

Omega - 231.10.42.21.02.002 · $3,249

2020 Omega Aqua Terra Captain's Watch features a beautiful silvery white dial with Teak pattern, automatic self-winding movement, and 150M water resistance.

Condition: Fantastic condition, few hairlines on the polished bezel and links
Case size: 41.5mm diameter
Bracelet length: fits 7" wrist
Water resistance: 150m depth rating

Posted at

Apr 29, 2026, 2:35 PM

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