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

[WTS] Omega Seamaster Aqua Terra First Gen 2503.30 39mm Automatic $2200

Omega Seamaster Aqua Terra First Gen 2503.30 39mm Automatic $2200

Omega - 2503.30 · $2,200
This Omega Seamaster Aqua Terra is a first generation model from 2006, featuring a 39mm case and an automatic movement.

  • Condition: Pre-owned, recently polished
  • Year of production: 2006
  • Movement type: Automatic
Posted at
Dec 25, 2025, 11:03 PM
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[WTS] Omega Aqua Terra GoodPlanet Special Release - Titanium - Lacquered Dial - 38.5mm

Omega Aqua Terra GoodPlanet Special Release - Titanium - Lacquered Dial - 38.5mm

Omega - 23192392104001 · $4,200
Limited-edition Omega Seamaster Aqua Terra 150M 'GoodPlanet' Special Release featuring a grade 5 titanium case, lacquered white dial, and striking blued hands and indices. It is powered by the Omega Master Co-Axial Calibre 8500.

  • Condition: Excellent all-around condition
  • Case material: Grade 5 titanium
  • Dial color: Lacquered white
  • Movement: Omega Master Co-Axial Calibre 8500
Posted at
Dec 23, 2025, 1:00 PM
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[WTS] Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak

Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak

Omega - 231.10.39 · $1,800
Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39. This watch measures at 39mm and has a Calibre OMEGA 4564 quartz movement.

  • Condition: Good condition, some minor marks/hairlines on the case and sapphire crystal
  • Case size: 38.5mm diameter
  • Movement: Calibre OMEGA 4564 quartz
  • Bracelet length: up to 7-7.25 inch wrists depending on wrist shape
Posted at
Dec 22, 2025, 8:23 PM
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[WTT], [WTS] Omega Aqua Terra 41mm Blue Teakwood Dial for SMP300 White Dial or $5,400

[WTT], Omega Aqua Terra 41mm Blue Teakwood Dial for SMP300 White Dial or $5,400

Omega - 220.13.41.21.03.003 · $5,400
A 41mm Omega Aqua Terra with blue teakwood dial, received as an inheritance and now being traded for a Seamaster Professional 300 or sold outright.

  • Condition: Excellent condition, minimal wear
  • Movement: Calibre 8900
  • Water Resistance: 150m depth rating
Posted at
Dec 22, 2025, 7:28 PM
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[WTS] 2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4750 + Label

2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4750 + Label

Omega - 220.10.38.20.12.001 · $4,750
A 2023 Omega Seamaster Aqua Terra Shades Collection in Saffron color, featuring a symmetrical case and crown in polished stainless steel, with a lacquered and sun-brushed saffron dial. Powered by OMEGA's Co-Axial Master Chronometer calibre 8800.

  • Condition: Lightly worn, minor scuffs on clasp
  • Case size: 38mm
  • Movement: Co-Axial Master Chronometer calibre 8800
Posted at
Dec 22, 2025, 3:51 PM
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[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

OMEGA - 220.10.38.20.13.003 · $6,500
The OMEGA Seamaster Aqua Terra introduces a vibrant splash of color to the collection with its stunning Terracotta dial, featuring a symmetrical case design that is both elegant and comfortable on the wrist.

  • Condition: [UNWORN]
  • Case diameter: 38mm
  • Bracelet size: ~7"
  • Water resistance: 150m
Posted at
Dec 22, 2025, 9:12 AM
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[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET!

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET!

OMEGA - 220.10.43.22.03.002 · $10,250
The OMEGA Seamaster Aqua Terra Worldtimer 'Summer Blue' Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist.

  • Condition: VERY GOOD - some light scratches on case and bracelet
  • Case size: 43mm
  • Bracelet length: ~7"
  • Contents: ULTIMATE SET - box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt
Posted at
Dec 22, 2025, 9:09 AM
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[WTS] Omega Seamaster Aqua Terra 150M - Green Dial - 2024 Full Set - Excellent Condition

Omega Seamaster Aqua Terra 150M - Green Dial - 2024 Full Set - Excellent Condition

Omega - Seamaster Aqua Terra 150M · $4,550
The Omega Seamaster Aqua Terra 150M features a stunning green dial with a sporty and elegant design, perfect for both weekend and office wear.

  • Condition: Mint / 9.5 out of 10
  • Purchase Year: 2024
  • Included Items: Complete Omega Inner & Outer Box,Wooden Presentation Box,Warranty Card (Dated 2024),Master Chronometer Card & Pictogram Card,Operating Instructions,All Original Links
  • Handling Marks: minor hairline marks on the polished center links
Posted at
Dec 21, 2025, 5:50 PM
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[WTS] Omega Seamaster Aqua Terra - ‘Blue Wave’ with Gold Accents

Omega Seamaster Aqua Terra - ‘Blue Wave’ with Gold Accents

Omega - 23110422103006 · $4,750
The Omega Seamaster Aqua Terra 'Blue Wave' features a striking blue wave pattern on its dial, paired with 18K yellow gold hands and indexes. The watch has a 41.5mm stainless steel case and a stainless steel bracelet.

  • Condition: Excellent all-around condition
  • Case material: stainless steel
  • Bracelet material: stainless steel
  • Diameter: 41.5mm
Posted at
Dec 21, 2025, 1:34 PM
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