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

Reference 231.25.34.20.55.005

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial 34 is a stunning fusion of style and functionality, making it a must-have for any serious watch collector or enthusiast. This exquisite timepiece combines the luxurious appearance of Sedna Gold with the added touch of opulence from its diamond-set bezel. The Mother of Pearl dial reflects light in mesmerizing ways, changing its appearance depending on the angle. With a 34mm case diameter and round shape, this watch is perfectly sized for those who prefer a more delicate look. Its open case back allows for a glimpse of the intricate movement, adding to its charm. Powered by the Omega caliber 8520, this automatic masterpiece boasts a power reserve of 50 hours and a frequency of 25,200 vibrations per hour. The Co-Axial escapement technology enhances performance while reducing friction between moving parts. As a certified chronometer, it guarantees precision in timekeeping. With a water resistance of 150 meters, this watch is ready for aquatic adventures. It also features a convenient date function and is protected by sapphire glass, making it built to last.
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Key Features

  • Sedna Gold case
  • Mother of Pearl dial
  • Diamond-set bezel
  • Omega caliber 8520 movement
  • Co-Axial escapement technology
  • Certified chronometer
  • 150m water resistance

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Sedna Gold / Diamond / MOP
Reference
231.25.34.20.55.005
Movement
8520
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 Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Price Reduced!

Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Price Reduced!

Omega - 2518.80 · $1,695
This Omega Seamaster Aqua Terra Blue is a stunning piece with great case and bracelet shape. The watch comes as-is, with some very light marks on the crystal not visible during normal wear.

  • Condition: Good overall condition, minimal wear
  • Size: 36mm diameter
  • Water Resistance: Unknown
Posted at
Feb 4, 2026, 9:07 PM
Active
[WTS] Omega Aqua Terra Sandstone 220.10.38 38mm Cheapest - $3,650

Omega Aqua Terra Sandstone 220.10.38 38mm Cheapest - $3,650

Omega - 220.10.38 · $3,650
Up for sale is my Omega Seamaster Aqua Terra ref. 220.10.38 with a Calibre OMEGA 8800 movement. This watch measures at 38mm.

  • Condition: great condition, minor marks on case and crystal
  • Case size: 38mm diameter
  • Bracelet size: fits up to 7 inch wrists
  • Movement: Calibre OMEGA 8800
Posted at
Feb 4, 2026, 8:34 PM
Active
[WTS] ⚫️ Omega Aqua Terra Black Lacquer Dial 38mm ⚫️

⚫️ Omega Aqua Terra Black Lacquer Dial 38mm ⚫️

The Omega Aqua Terra is a perfectly balanced 38mm watch with 150m water resistance, powered by the METAS-certified Master Co-Axial Calibre 8800.

  • Condition: Excellent
  • Size: 38mm diameter
  • Water resistance: 150m
Posted at
Feb 4, 2026, 7:07 PM
Active
[WTS] 💎 2006 Omega Seamaster Aqua Terra 36mm 2518.50

💎 2006 Omega Seamaster Aqua Terra 36mm 2518.50

The Omega Seamaster Aqua Terra 36mm is a perfect GADA watch with light surface scratches and small dings, but in amazing shape.

Posted at
Feb 4, 2026, 5:28 PM
Active
[WTS] Omega Aqua Terra Small Seconds *Price Drop*

Omega Aqua Terra Small Seconds *Price Drop*

This Omega Aqua Terra Small Seconds is a beautiful watch that feels great on the wrist and keeps excellent time. It comes with an Omega travel box and an extra link.

  • Condition: Excellent
  • Water Resistance: 100m depth rating
  • Strap Length: 7.75 inches ( fits 7.75 inch wrist )
Posted at
Feb 4, 2026, 12:15 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

A Omega Seamaster Aqua Terra 150m Blue, featuring a 7.25" bracelet.

  • Bracelet length: 7.25 inches
Posted at
Feb 3, 2026, 4:34 PM
Active
[WTS] Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega - 2504.80 · $2,650
The Omega Seamaster Aqua Terra features a 36.2mm case, navy blue sunburst dial, and Co-Axial automatic movement. It includes a domed sapphire crystal with anti-reflective coating and an elegant stainless steel bracelet.

  • Condition: Excellent overall condition with minimal wear
  • Case size: 36.2mm diameter
  • Crystal type: domed sapphire crystal with anti-reflective coating
Posted at
Feb 3, 2026, 1:39 PM
Active
[WTS] Omega Seamaster Aqua Terra Quartz - 38.5mm - 231.10.39.60.02.001 - Clean!

Omega Seamaster Aqua Terra Quartz - 38.5mm - 231.10.39.60.02.001 - Clean!

A simple yet elegant OMEGA Seamaster Aqua Terra 150M with a Caliber 4564 quartz movement housed in a 38.5mm case, available at a great price point.

  • Case size: 38.5mm
  • Depth rating: 150m
  • Movement type: quartz
Posted at
Feb 3, 2026, 1:28 PM
Active
[WTS] Oman Khanjar Stamped Omega Aqua Terra ($9,250)

Oman Khanjar Stamped Omega Aqua Terra ($9,250)

Omega - 2201341211001 · $9,250
This Omega Aqua Terra features a green dial and is stamped with the Oman Khanjar emblem on the caseback.

  • Condition: pristine
  • Case size: 41mm diameter
  • Dial color: green
Posted at
Feb 2, 2026, 3:35 PM
Active