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

Reference 231.23.39.21.55.002

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 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

This is a brand new Omega Aqua Terra 8900 with a turquoise dial and black ceramic bezel, featuring a stainless steel case and master chronometer movement.

  • Case material: Stainless Steel / Black Ceramic
  • Movement type: Master Chronometer Movement
Posted at
May 26, 2026, 1:27 PM
Active
[WTS] Omega Aqua Terra 8900 41mm Lacquer Black 220.10.41.21.01.002 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Lacquer Black 220.10.41.21.01.002 ( new / 2026 / box and papers )

Aqua Terra 8900 41mm stainless steel case with a master chronometer movement and lacquer black dial.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement type: Master Chronometer
Posted at
May 26, 2026, 1:23 PM
Active
[WTS] Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

This Omega Aqua Terra 8900 features a green dial and is part of the complete set, including all boxes, papers, and warranty card.

  • Condition: New
  • Case size: 41mm diameter
  • Movement type: Master Co-Axial
Posted at
May 26, 2026, 1:16 PM
Active
[WTS] Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

This Omega Aqua Terra 8800 is a brand new stainless steel watch with a green dial and master co-axial movement, available on a rubber strap.

  • Condition: Brand new
  • Case size: 38mm diameter
  • Movement: Master Co-Axial Movement
Posted at
May 26, 2026, 1:08 PM
Active
[WTS] Omega Seamaster Aqua Terra 38.5mm Black Teak Dial 231.10.39.21.01.001 | Fresh Service, Full Set | $2,999 Shipped

Omega Seamaster Aqua Terra 38.5mm Black Teak Dial 231.10.39.21.01.001 | Fresh Service, Full Set | $2,999 Shipped

  • Condition: Excellent overall condition with minimal signs of wear
  • Case size: 38.5mm diameter
  • Dial material: black teak pattern
  • Movement type: Omega Co-Axial Cal. 8500
Posted at
May 26, 2026, 10:40 AM
Active
[WTS] Omega Seamaster Aqua Terra 2300

Omega Seamaster Aqua Terra 2300

Omega - Aqua Terra 2300 · $2,300
This Omega Aqua Terra 2300 is a great watch that wears well on the wrist. It has some minor wear on the ar coding underneath the crystal but is in overall excellent condition.

  • Condition: fantastic condition, super clean and running well
  • Bracelet size compatibility: 7.25 inch wrist
  • Accuracy: +3 seconds a day
Posted at
May 26, 2026, 8:30 AM
Active
[WTS] Omega Seamaster Aqua Terra | Ref: 220.10.41.21.02.002

Omega Seamaster Aqua Terra | Ref: 220.10.41.21.02.002

  • Model name: Seamaster Aqua Terra
Posted at
May 26, 2026, 12:22 AM
Active
[WTS] Omega Seamaster Aqua Terra 220.10.41.21.06.001 Grey Dial 41mm Automatic

Omega Seamaster Aqua Terra 220.10.41.21.06.001 Grey Dial 41mm Automatic

This Omega Seamaster Aqua Terra is a pre-owned stainless steel watch with a grey teak dial and automatic Co-Axial movement, featuring a 41mm case on a stainless steel bracelet.

  • Condition: Very good
  • Case size: 41mm diameter
  • Movement type: Automatic Co-Axial
Posted at
May 25, 2026, 9:57 PM
Active
[WTS] Omega Seamaster Aqua Terra Small Seconds, 220.12.41.21.02.005, 2022, B&P, 41mm

Omega Seamaster Aqua Terra Small Seconds, 220.12.41.21.02.005, 2022, B&P, 41mm

A 2022 Omega Seamaster Aqua Terra Small Seconds with a silver dial and tan color accents, in excellent condition.

  • Condition: Very good plus (VG+)
  • Case Size: 41mm
  • Year Of Manufacture: 2022
Posted at
May 25, 2026, 7:56 PM
Active