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

Reference 231.25.34.20.55.005

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

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] 36mm Omega Seamaster Aqua Terra Automatic Co-Axial 2504.30 - $2500 SHIPPED

36mm Omega Seamaster Aqua Terra Automatic Co-Axial 2504.30 - $2500 SHIPPED

Omega - 2504.30 · $2,500
This is a 36mm Omega Seamaster Aqua Terra featuring an automatic co-axial movement, striking silver sunburst dial, and applied indexes.

  • Condition: Good overall condition with normal wear on case and bracelet
  • Movement: automatic co-axial 2500
  • Bracelet size compatibility: up to 7.25" wrist
  • Case diameter: 36mm
Posted at
May 21, 2026, 6:07 PM
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[WTS] Omega Seamaster Aqua Terra 38.5mm White Teak Dial Ref. 231.10.39.21.02.001 | Box & Instrucstions | Fresh Service | $2,899 Shipped

Omega Seamaster Aqua Terra 38.5mm White Teak Dial Ref. 231.10.39.21.02.001 | Box & Instrucstions | Fresh Service | $2,899 Shipped

Omega - 231.10.39.21.02.001 · $2,899
This Omega Seamaster Aqua Terra features a beautiful white teak-pattern dial with applied faceted indices and signature blue accents, making it a clean and versatile timepiece that works equally well as a daily wearer or dressier option. The watch has been freshly serviced and is running strong with excellent timegrapher performance.

  • Condition: Very good overall, light signs of honest wear consistent with age
  • Case size: 38.5mm
  • Lug-to-lug: 46mm
  • Thickness: 12.8mm
Posted at
May 21, 2026, 11:45 AM
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[WTS] omega Aqua Terra 41 on black leather

omega Aqua Terra 41 on black leather

Omega - 220.13.41.21.01.001 · $3,000
a pre-owned Omega Aqua Terra 41 on black leather.

  • Condition: shows signs of wear
Posted at
May 21, 2026, 11:11 AM
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[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,590

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,590

Omega - 231.10.39.21.01.001 · $2,590
Up for sale is my great condition Omega Seamaster Aqua Terra, measuring at 38.5mm and featuring an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition, minor marks/hairlines
  • Case size: 38.5mm diameter
  • Movement: automatic Omega Calibre 8500
  • Bracelet: original Omega steel bracelet
Posted at
May 20, 2026, 9:55 PM
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[WTS] Omega Aqua Terra 220.10.41.21.01.001

Omega Aqua Terra 220.10.41.21.01.001

Omega - 220.10.41.21.01.001 · $4,150
The Omega Aqua Terra is being sold with its complete set, except for the international warranty card. The watch has been checked by an in-house watchmaking team and comes with a master chronometer card.

  • Condition: great carefully worn condition
  • Serial Number: available upon request
  • Master Chronometer Card: included with the purchase
  • Pictograms: included with the purchase
Posted at
May 20, 2026, 6:54 PM
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[WTS] Omega Seamaster Aqua Terra - 231.10.39.21.02.001 - With Papers - $3,250 ✈️

Omega Seamaster Aqua Terra - 231.10.39.21.02.001 - With Papers - $3,250 ✈️

Omega - 231.10.39.21.02.001 · $3,250
This Omega Seamaster Aqua Terra is a high-end watch that combines style and functionality.

  • Papers: included
Posted at
May 20, 2026, 6:47 PM
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[WTS] Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200
A versatile Omega Seamaster Aqua Terra Annual Calendar watch in blue dial that strikes a balance between technical sophistication and everyday wearability, featuring an annual calendar complication and clean design.

  • Condition: Excellent
  • Case Size: 38.5mm
  • Movement: Omega Co-Axial calibre 8601
Posted at
May 20, 2026, 12:56 PM
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[WTS] 2025 Omega Aqua Terra Worldtimer Titanium 220.92.43.22.99.001 - $9,500

2025 Omega Aqua Terra Worldtimer Titanium 220.92.43.22.99.001 - $9,500

Omega - 220.92.43.22.99.001 · $9,500
The Omega Seamaster Aqua Terra 150M GMT Worldtimer features a 43mm titanium case, brushed black ceramic bezel, and a black and grey dial with a laser-ablated topographic view of Earth. It also includes a 24-hour day/night ring with 24 world cities and is powered by the Co-Axial Master Chronometer Calibre 8938.

  • Condition: Excellent with minimal signs of wear
  • Case material: grade 2 titanium
  • Bezel material: brushed black ceramic
  • Dial description: black and grey with laser-ablated topographic view of Earth from above the North Pole
Posted at
May 19, 2026, 2:10 PM
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[WTS] Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001 - Price Reduced!

Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001 - Price Reduced!

Omega - 231.10.42.21.02.001 · $2,895
  • Condition: Very clean pre-owned condition with light wear throughout
  • Size: 41.5mm diameter
Posted at
May 19, 2026, 12:30 PM
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