Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP

Reference 231.23.39.21.55.002

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterclass in luxury watchmaking, combining stunning design with advanced movement technology. This Swiss-made timepiece boasts a harmonious blend of stainless steel and yellow gold, topped off with a lustrous Mother of Pearl (MOP) dial that adds an ethereal quality to the watch. The Aqua Terra's round shape measures 38.50 mm in diameter, making it suitable for a wide range of wrist sizes. With a water resistance of 150 meters, this watch is ready for a dip in the pool or a day at the beach. Its chronometer certification ensures accuracy and precision, while the open case back showcases the intricate mechanics working away like a tiny universe contained within your wrist.
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Key Features

  • Omega Caliber 8500 automatic movement
  • Mother of Pearl (MOP) dial with stick and dot indexes
  • Chronometer certification for accuracy and precision
  • Water resistance up to 150 meters
  • Stainless steel and yellow gold case
  • Open case back showcases intricate mechanics
  • Comfortable strap design for everyday wear

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP
Reference
231.23.39.21.55.002
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 38.5mm 231.1039 $2750 - Box & papers

Omega Aqua Terra 38.5mm 231.1039 $2750 - Box & papers

Omega - 231.1039 · $2,750
The Omega Aqua Terra reference 231.1039 is a 38.5mm watch available for sale.

  • Length of stay with owner: 2 months
Posted at
May 14, 2026, 3:05 PM
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[WTS] Omega Aqua Terra GMT Worldtimer - 220.92.43.22.99.001 - Grey - Titanium - 43mm - 2025 AD Unit Mint Condition

Omega Aqua Terra GMT Worldtimer - 220.92.43.22.99.001 - Grey - Titanium - 43mm - 2025 AD Unit Mint Condition

Omega - 220.92.43.22.99.001 · $8,799
This Omega Aqua Terra GMT Worldtimer is a highly sought-after timepiece that stands out for its gunmetal titanium color and applied city displays.

  • Condition: Mint condition
  • Case material: Titanium
  • Case size: 43mm
  • Band type: Not specified
Posted at
May 14, 2026, 1:36 PM
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[WTS] Omega Aqua Terra Chrono - Ref: 2512.30.00 - FULL KIT

Omega Aqua Terra Chrono - Ref: 2512.30.00 - FULL KIT

Omega - 2512.30.00 · $3,300
This Omega Seamaster Aqua Terra Chronograph features a white dial with flame blue indices, housed in a 42mm case with a column-wheel chronograph movement.

  • Condition: Very good, minor marks on bezel, case and bracelet
  • Movement: Omega 3301 (column-wheel chronograph movement based on the Piguet 1285 movement)
  • Case Size: 42mm
  • Bracelet Size: 7.5
Posted at
May 14, 2026, 1:07 PM
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[WTS] Omega Seamaster Aqua Terra 2503.80.00 “First Gen” 39mm — Blue Sunburst Dial — Cal. 2500 Co-Axial — Fresh Service — $2,699 Shipped

Omega Seamaster Aqua Terra 2503.80.00 “First Gen” 39mm — Blue Sunburst Dial — Cal. 2500 Co-Axial — Fresh Service — $2,699 Shipped

A first-generation Omega Seamaster Aqua Terra with a beautiful blue sunburst dial and the reliable Cal. 2500 Co-Axial Chronometer movement.

Posted at
May 14, 2026, 11:43 AM
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[WTS] Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$4500 OBO

Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$4500 OBO

Omega - 220.10.41.21.02.001 · $4,500
A Omega Seamaster Aqua Terra, case size is 41mm, available with box and papers.

  • Condition: Pre-owned
  • Case Size: 41mm
  • Box Card Papers: Yes (both included)
  • Model: Seamaster Aqua Terra
Posted at
May 14, 2026, 11:12 AM
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[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,690

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,690

Omega - 231.10.39.21.01.001 · $2,690
Up for sale is my great condition Omega Seamaster Aqua Terra with an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition, minimal marks/hairlines
  • Case size: 38.5mm diameter
  • Movement: Omega Calibre 8500, automatic
Posted at
May 14, 2026, 4:26 AM
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[WTS] Omega Seamaster Aqua Terra 220.10.41.21.03.001 – Full Set – 2020

Omega Seamaster Aqua Terra 220.10.41.21.03.001 – Full Set – 2020

Omega - 220.10.41.21.03.001 · $4,200
This Omega Seamaster Aqua Terra is a 41mm stainless steel watch with a blue teak dial and automatic Master Chronometer movement.

  • Condition: Clean
  • Case size: 41mm diameter
  • Bracelet type: Full bracelet with all links
Posted at
May 13, 2026, 8:55 PM
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[WTS] 2025 Omega Seamaster Aqua Terra 150M 38mm Steel Blue Dial 220.10.38.20.03.001 Full Set

2025 Omega Seamaster Aqua Terra 150M 38mm Steel Blue Dial 220.10.38.20.03.001 Full Set

Omega - 220.10.38.20.03.001 · $5,300
2025 Omega Seamaster Aqua Terra 150M 38mm Steel Blue Dial watch is being sold as a full set with original accessories. It features an automatic mechanical movement.

  • Condition: Nice Preowned Condition with Some Light Scratches On The Case, Bezel and Bracelet
  • Case dimensions: 38mm diameter
  • Bezel material: steel
  • Dial color: blue teak
Posted at
May 13, 2026, 7:33 PM
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[WTS] Omega Seamaster Aqua Terra Co-Axial - Turquoise Blue - 2025 Full Set - 220.10.41.21.03.006

Omega Seamaster Aqua Terra Co-Axial - Turquoise Blue - 2025 Full Set - 220.10.41.21.03.006

Omega - 220.10.41.21.03.006 · $5,850
This Omega Seamaster Aqua Terra features a Turquoise Blue dial and is the 41mm version, presenting great value with its under warranty status until 2029.

  • Condition: mint condition
  • Warranty expiration date: 2029
  • Version: 41mm
Posted at
May 13, 2026, 6:59 PM
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