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 seamaster aqua terra 1.3k

omega seamaster aqua terra 1.3k

Omega - 2518.50.00 · $1,300
This Omega Seamaster Aqua Terra is a 36mm model in good condition with some scratches and scuffs, but running great.

  • Condition: Good condition with some scratches and scuffs
  • Bracelet size: 6.5 in (wrist size)
  • Box/papers: No
Posted at
Oct 26, 2025, 11:19 AM
Active
[WTS] Omega Aqua Terra Annual Calendar 38.5mm 231.10.39.22.01.001 - 2020 Box and Papers

Omega Aqua Terra Annual Calendar 38.5mm 231.10.39.22.01.001 - 2020 Box and Papers

This Omega Aqua Terra Annual Calendar features a 38.5mm case, annual calendar functionality, and is in excellent pre-owned condition with slight wear on high polished parts.

  • Condition: Excellent Pre-Owned Condition
  • Box Condition: terrible condition
  • Service History: unknown; +8-10 s/d 300+ AMP
  • Length Links: 16.5 links
Posted at
Oct 24, 2025, 11:12 PM
Active
[WTS] Omega Aqua Terra 2518.50 w/ Box, Papers, Serviced in 2023

Omega Aqua Terra 2518.50 w/ Box, Papers, Serviced in 2023

Omega - 2518.50 · $1,999
The Omega Aqua Terra 2518.50 is a versatile travel watch with a quartz movement and 150m water resistance. It features a jumping hour hand for easy time zone switching and a screw-down crown. The watch has a slow date change that starts at approximately 8 PM and ends at midnight.

  • Condition: Used with some wear and tear
  • Movement Type: Quartz
  • Water Resistance: 150m
  • Bracelet Size Range: 6-7.25 inches
Posted at
Oct 24, 2025, 7:49 PM
Active
[WTS] Omega Aqua Terra 41mm - Turquoise with Ceramic Bezel

Omega Aqua Terra 41mm - Turquoise with Ceramic Bezel

The Omega Seamaster Aqua Terra 41mm features a turquoise fume dial with a black ceramic bezel, making it a refined and durable watch suitable for daily wear.

  • Condition: Great condition with hairline scratches along the side of the case and metal insert between the lugs
  • Diameter: 41mm
Posted at
Oct 24, 2025, 7:06 PM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer 43mm “Summer Blue” 220.12.43.22.03.002 - 2024 Full Set

Omega Seamaster Aqua Terra Worldtimer 43mm “Summer Blue” 220.12.43.22.03.002 - 2024 Full Set

2024 Omega Seamaster Aqua Terra Worldtimer 43mm in 'Summer Blue' condition, featuring a Master Chronometer certification.

  • Condition: Pre-owned with slight wear on case and buckle, faint hairlines on bezel
  • Case size: 43mm
  • Water resistance: 100m
  • Power reserve: +335 hours
Posted at
Oct 24, 2025, 1:49 AM
Active