Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Yellow Gold / Silver / Bracelet

Reference 231.20.39.21.02.002

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial is a statement piece, blending elegance and functionality in a stunning design. This luxury watch features a dual-tone case made of stainless steel and yellow gold, with a polished finish that shines under different lights. The silver dial is adorned with stick and dot indexes, providing excellent readability. The automatic Omega caliber 8500 movement ensures precision and accuracy, with a power reserve of 60 hours. This versatile timepiece can adapt to any occasion, from formal events to casual outings. With its impressive water resistance of 150 meters, it's perfect for everyday wear, but not suitable for deep diving.
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Key Features

  • Omega caliber 8500 movement
  • Sapphire crystal glass
  • Master Co-Axial Chronometer certification
  • 60-hour power reserve
  • 150-meter water resistance

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Yellow Gold / Silver / Bracelet
Reference
231.20.39.21.02.002
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega SeaMaster Aqua Terra 38mm Green Dial 220.10.38.20.10.002 F/Set 2023

Omega SeaMaster Aqua Terra 38mm Green Dial 220.10.38.20.10.002 F/Set 2023

The Omega Seamaster Aqua Terra is a beautiful watch in the perfect size, with a 38mm diameter.

  • Diameter: 38mm
  • Size: perfect
  • Boxes: outer and inner
Posted at
Mar 21, 2026, 1:03 AM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.42.21.02.001

Omega Seamaster Aqua Terra 231.10.42.21.02.001

This Omega Seamaster Aqua Terra is a watch-only example in very clean condition, featuring a white dial and 41.5mm case size.

  • Condition: Very clean pre-owned condition with light wear throughout
  • Model: Seamaster Aqua Terra
  • Diameter: 41.5mm
  • Movement Status: Functions well as it should
Posted at
Mar 20, 2026, 6:58 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Teak Blue 231.13.42.21.03.001 2024 Full Set 42mm - $4100 plus shipping

OMEGA Seamaster Aqua Terra Teak Blue 231.13.42.21.03.001 2024 Full Set 42mm - $4100 plus shipping

The Omega Seamaster Aqua Terra is a classic and versatile watch that effortlessly blends sport and dress, featuring a blue teak dial and powered by Omega's reliable Co-Axial automatic movement.

  • Condition: Excellent Pre-Owned
  • Case size: 42mm diameter
  • Case material: Stainless Steel
  • Dial color: Blue Teak
Posted at
Mar 20, 2026, 6:46 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer 150M 220.12.43.22.03.001 2024 Men’s 43mm Full Set - $6750 plus shipping

OMEGA Seamaster Aqua Terra Worldtimer 150M 220.12.43.22.03.001 2024 Men’s 43mm Full Set - $6750 plus shipping

The Omega Seamaster Aqua Terra Worldtimer features a blue world map dial, one of Omega's best modern designs, on a 43mm steel case paired with a blue rubber strap. This watch is a full set with box and 2024 papers.

  • Condition: Excellent condition
  • Case size: 43mm diameter
  • Water resistance: 150m depth rating
Posted at
Mar 20, 2026, 6:39 PM
Active
[WTS] 2023 Omega Seamaster Aqua Terra 42mm Spectre 007 James Bond LE 231.10.42.21.03.004 Full Set

2023 Omega Seamaster Aqua Terra 42mm Spectre 007 James Bond LE 231.10.42.21.03.004 Full Set

A limited-edition James Bond 'Spectre' model, created to celebrate the 2015 film, available as part of a full collector set.

  • Condition: Excellent
  • Year: 2023
  • Model name: Seamaster Aqua Terra Spectre
  • Size: 42mm
Posted at
Mar 20, 2026, 4:41 PM
Active
[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 with a 38.5mm stainless steel case and blue dial, featuring an annual calendar complication and Co-Axial calibre 8601.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Movement: Omega Co-Axial calibre 8601
Posted at
Mar 20, 2026, 12:36 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M Annual Calendar –Teak Dial – Discontinued|Ref: 231.13.39.22.01.001|Full Set – 2020 – Excellent Condition

Omega Seamaster Aqua Terra 150M Annual Calendar –Teak Dial – Discontinued|Ref: 231.13.39.22.01.001|Full Set – 2020 – Excellent Condition

A discontinued Omega Seamaster Aqua Terra 150M featuring an annual calendar complication and black teak dial, housed in a 38.5mm stainless steel case.

  • Condition: Excellent
  • Case diameter: 38.5mm
  • Water resistance: 150m
  • Movement: Calibre 8601 automatic
Posted at
Mar 19, 2026, 11:01 PM
Active
[WTS] Omega Aqua Terra Shades - 38mm Sandstone - 220.10.38.20.09.001 - Price Reduced!

Omega Aqua Terra Shades - 38mm Sandstone - 220.10.38.20.09.001 - Price Reduced!

This Omega Seamaster Aqua Terra Shades features a stunning dial and is running exceptionally well at +1 second/day.

  • Condition: lightly pre-owned with light, normal wear throughout
  • Size: 38mm diameter
  • Movement performance: +1 second/day, 300+ amplitude
Posted at
Mar 18, 2026, 5:26 PM
Active
[WTS] Omega 2504.50 36mm Black Dial Aqua Terra Watch Only $2,400

Omega 2504.50 36mm Black Dial Aqua Terra Watch Only $2,400

Omega - 2504.50 · $2,400
Selling my Omega Aqua Terra Watch Only, 36mm black dial.

  • Condition: pre-owned, polished
  • Case size: 36mm diameter
  • Bracelet length: 18cm
Posted at
Mar 18, 2026, 1:54 PM
Active