Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver

Reference 231.23.39.21.02.001

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial is a masterpiece of luxury watchmaking, combining elegance with functionality in a single timepiece. Crafted from a blend of stainless steel and red gold, this stunning watch exudes opulence without being gaudy. The silver-toned dial features stick and dot indexes paired with arrow-shaped hands, providing excellent legibility and making it an ideal companion for both casual and formal occasions. At the heart of this timepiece is the in-house Omega caliber 8500, a marvel of engineering known for its reliability and precision. With a power reserve of 60 hours, you don't have to worry about winding it every day. The Co-Axial escapement improves accuracy and reduces friction between parts, making it a true chronometer. This watch is perfect for professionals who need a timepiece that transitions seamlessly from the office to a dinner date, as well as collectors who appreciate Omega's rich history and innovation.
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Key Features

  • Omega caliber 8500 movement
  • Stainless Steel / Red Gold case material
  • Sapphire crystal glass
  • 150 meters water resistance
  • 38.5 mm diameter
  • Co-Axial escapement for improved accuracy
  • 60 hour power reserve

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver
Reference
231.23.39.21.02.001
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

[US] Omega Seamaster Aqua Terra 150m Master Chronometer GMT - Complete Set 2023

The Omega Seamaster Aqua Terra 150m Master Chronometer GMT is a luxury watch featuring a stainless steel case, 41mm diameter, and a date display at the 6 o'clock position.

  • Condition: Complete Set with all original accessories and documentation
Posted at
Oct 20, 2025, 11:45 AM
Active
[WTS] Cyma Classic WavyBlue Dial Watch Similar to Omega Aqua Terra in just 155usd OBO….

Cyma Classic WavyBlue Dial Watch Similar to Omega Aqua Terra in just 155usd OBO….

Cyma · $155
The watch is similar to the Omega Aqua Terra.

  • Similar To: Omega Aqua Terra
Posted at
Oct 19, 2025, 4:03 PM
Active
[WTS] Omega Seamaster Aqua Terra 150mm | ref. 231.10.39.21.02.002 | 38.5mm

Omega Seamaster Aqua Terra 150mm | ref. 231.10.39.21.02.002 | 38.5mm

This Omega Seamaster Aqua Terra 150mm is a white dial sport watch with a 38.5mm diameter.

  • Condition: Preowned, minor scratches in finish that can be polished out
  • Case size: 38.5mm diameter
  • Bracelet condition: great shape
  • Movement status: running/functioning as it should
Posted at
Oct 19, 2025, 1:11 PM
Active
[WTS] [USA] Omega Seamaster Aqua Terra 38.5mm Blue 🚨$3,595🚨 (220.13.38.20.03.001) – Complete Set & Excellent Condition

[USA] Omega Seamaster Aqua Terra 38.5mm Blue 🚨$3,595🚨 (220.13.38.20.03.001) – Complete Set & Excellent Condition

The watch is an Omega Seamaster Aqua Terra in blue, with a 38.5mm case size and reference number 220.13.38.20.03.001.

  • Condition: Excellent
  • Set: Complete set (watch, box, and cards)
  • Box Condition: Leather interior damaged
  • Production Year: Unknown
Posted at
Oct 19, 2025, 11:19 AM
Active
[WTS] Omega Seamaster Aqua Terra World Timer Blue - 2025 Full Set - $6,550 (RRP is $10,900)- Ref 220.12.43.22.03.001

Omega Seamaster Aqua Terra World Timer Blue - 2025 Full Set - $6,550 (RRP is $10,900)- Ref 220.12.43.22.03.001

The Omega Seamaster Aqua Terra World Timer Blue is a high-end watch featuring a blue dial and world timer functionality.

  • Rrp: $10,900
Posted at
Oct 19, 2025, 8:40 AM
Active
[WTS] Omega Seamaster Aqua Terra 150M - Ref# 231.10.39.21.06.001 - 38.5mm Automatic - Boxes & Papers

Omega Seamaster Aqua Terra 150M - Ref# 231.10.39.21.06.001 - 38.5mm Automatic - Boxes & Papers

This Omega Seamaster Aqua Terra 150M is a like-new, 38.5mm automatic watch that comes with various accessories.

  • Condition: Like new without any blemishes
  • Case size: 38.5mm diameter
  • Depth rating: 150M
Posted at
Oct 19, 2025, 12:21 AM
Active
[WTS] Omega Aqua Terra Quartz 38.5mm Grey Dial 4654 231.10.39.60.06.00 $1,700

Omega Aqua Terra Quartz 38.5mm Grey Dial 4654 231.10.39.60.06.00 $1,700

A Omega Seamaster Aqua Terra Quartz with a grey dial and 38.5mm case size, available for sale in full set with box and papers.

  • Condition: Full set, recently polished
  • Case Size: 38.5mm
  • Movement Type: Quartz
Posted at
Oct 18, 2025, 2:24 AM
Active
[WTS] Omega Aqua Terra 38.5 Quartz Second Gen White 231.10.39.60.02.001 $1,700

Omega Aqua Terra 38.5 Quartz Second Gen White 231.10.39.60.02.001 $1,700

This Omega Aqua Terra Second Gen features a white dial and quartz movement. The watch has been recently polished to look like new, with a 38.5mm case size suitable for an 18.5cm wrist.

  • Condition: like new
  • Case Size: 38.5mm
  • Movement Type: Quartz
Posted at
Oct 17, 2025, 10:09 PM
Active
[WTS] Omega Seamaster Aqua Terra 39mm 2503.50 $2200

Omega Seamaster Aqua Terra 39mm 2503.50 $2200

Omega - 2503.50 · $2,200
This Omega Seamaster Aqua Terra 39mm is a stylish and functional watch that features a clean crystal and fits about an 18cm wrist.

  • Condition: Excellent, little signs of use
  • Case size: 39mm
  • Wrist size: fits about 18cm
Posted at
Oct 17, 2025, 9:10 PM
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