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 Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega Seamaster Aqua Terra 2504.50 36mm - $2,490

Omega - 2504.50 · $2,490
Up for sale is my Omega Seamaster Aqua Terra 2504.50.00, a great condition automatic watch measuring 36mm.

  • Condition: Great condition with minor patina on dial indices and hands, dust, and handprints
  • Case material: Steel
  • Bracelet material: Original Omega Steel bracelet
  • Crystal type: Sapphire crystal
Posted at
May 3, 2026, 8:37 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M – James Bond SkyFall – 38.5mm

Omega Seamaster Aqua Terra 150M – James Bond SkyFall – 38.5mm

The Omega Seamaster Aqua Terra 150M is a James Bond SkyFall watch with a blue teak dial and stainless steel case.

  • Case Size: 38.5mm
  • Movement: Omega Co-Axial 8500 calibre automatic
Posted at
May 3, 2026, 4:42 PM
Active
[WTS] Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega - Aquaterra 41mm · $400
Lightly worn OEM strap for Omega Aquaterra 41mm, comes with end link and deployant clasp.

  • Condition: lightly worn
  • Lug size: 20mm
  • Strap material: black rubber
Posted at
May 3, 2026, 4:05 PM
Active
[WTS] Omega Aqua Terra Worldtimer – Titanium & Ceramic – Ref 220.92.43.22.99.001 – 2023 Full Set

Omega Aqua Terra Worldtimer – Titanium & Ceramic – Ref 220.92.43.22.99.001 – 2023 Full Set

The Omega Aqua Terra Worldtimer is a technically impressive travel-watch with a laser-ablated world map, ceramic bezel, and METAS-certified movement.

  • Condition: pristine
  • Case material: titanium
  • Bezel material: ceramic
  • Diameter: 43mm
Posted at
May 3, 2026, 10:50 AM
Active
[WTS] 2024 Omega Seamaster Aqua Terra "Summer Blue" 41mm 220.12.41.21.03.008 Full Set Excellent

2024 Omega Seamaster Aqua Terra "Summer Blue" 41mm 220.12.41.21.03.008 Full Set Excellent

The 2024 Omega Seamaster Aqua Terra features a captivating 'Summer Blue' dial with sunburst pattern and light blue Super-LumiNova hands and indexes.

  • Condition: Excellent
  • Year: 2024
  • Contents: Full Set
Posted at
May 2, 2026, 3:45 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M 220.10.41.21.06.001 - Full Kit - $3950

Omega Seamaster Aqua Terra 150M 220.10.41.21.06.001 - Full Kit - $3950

This Omega Seamaster Aqua Terra is for sale, purchased from Liljenquist and Beckstead in Bethesda on March 14th, 2024. It's a full kit with box, papers, hangtag, and extra links.

  • Condition: Heavily scratched
  • Purchase Date: 3/14/2024
  • Warranty Date: 3/14/2024
Posted at
May 2, 2026, 1:46 PM
Active
[WTS] Omega Seamaster Aqua Terra – ‘Blue Wave’ with Gold Accents – Complete Set

Omega Seamaster Aqua Terra – ‘Blue Wave’ with Gold Accents – Complete Set

Omega - 23110422103006 · $4,950
This Omega Seamaster Aqua Terra 'Blue Wave' features a blue dial with wave pattern, gold accents and a stainless steel case on a bracelet. It is powered by the Omega Master Co-Axial calibre 8500, resistant to magnetic fields and water up to 150M.

  • Condition: Excellent all-around condition
  • Case size: 41.5mm diameter
  • Water resistance: 150M / 15 bar
  • Power reserve: 60 hours
Posted at
May 2, 2026, 1:15 PM
Active
Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.

  • Condition: Brand new
  • Case size: 38mm
  • Movement type: Master Chronometer Movement
Posted at
Apr 3, 2025, 3:15 PM
Active
Omega Seamaster Aqua Terra Green 41mm

Omega Seamaster Aqua Terra Green 41mm

The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.

  • Condition: Near-mint, 94-95%
  • Case size: 41mm x 47.9mm lug to lug
  • Thickness: 13.2mm
  • Power reserve: 60 hours
Posted at
Mar 31, 2025, 10:30 AM
Active