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

Omega Seamaster Aqua Terra 150m 38.5mm

Omega - 231.10.39.21.02.001 · $2,950

This Omega Seamaster Aqua Terra is a steel on steel model, featuring a 38.5mm case and 150m water resistance.

Condition: Very good condition
Water Resistance: 150m depth rating
Case Size: 38.5mm diameter
Bracelet Links: includes all removable links plus an extra half-link

Posted at

Feb 13, 2026, 9:46 PM

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Omega Aqua Terra 2015 38.5mm 231.10.39.21.02.001 B&P

Omega - 231.10.39.21.02.001 · $3,100

Aqua Terra 2015 model, 38.5mm diameter, suitable for everyday wear with versatile style.

Condition: Excellent condition
Size: 38.5mm diameter

Posted at

Feb 13, 2026, 4:28 PM

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Omega Seamaster Aqua Terra Quartz - White Dial - 231.10.39.61.02.001 - Price Reduced!

Omega - 231.10.39.61.02.001 · $1,950

This Omega Seamaster Aqua Terra Quartz features a white dial and is powered by a quartz movement, coming on its original stainless steel bracelet.

Condition: pre-owned with minor wear
Size: 38.5mm diameter
Movement: quartz
Bracelet material: stainless steel

Posted at

Feb 13, 2026, 12:58 PM

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Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,400

The Omega Seamaster Aqua Terra features a 38.5mm stainless steel case on a stainless steel bracelet, with an annual calendar complication that automatically accounts for months with 30 or 31 days.

Condition: Excellent condition
Case size: 38.5mm diameter
Movement: Omega Co-Axial calibre 8601

Posted at

Feb 13, 2026, 11:38 AM

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2023 Omega Aqua Terra - Weave Dial

Omega - 231.10.42.21.01.006 · $4,350

A 2023 Omega Aqua Terra watch featuring a black weave dial and rose gold colored hands/makers.

Condition: Very Good
Case size: 41.5mm diameter
Box condition: Outer Box / Inner Box / Warranty Card / Pictograms Card / Manual - Front flap loose / some wear marks

Posted at

Feb 12, 2026, 9:54 PM

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