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

Reference 231.25.39.21.55.001

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

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial is a masterpiece that combines elegance with impeccable craftsmanship. This luxurious timepiece boasts a stunning design featuring stainless steel and red gold, adorned with diamonds and a breathtaking mother-of-pearl dial. The watch's robust movement, Omega caliber 8500, is a marvel of engineering, boasting a Co-Axial escapement that improves accuracy and reduces friction. With a power reserve of 60 hours and water resistance of 150 meters, this beauty is perfect for active wearers who appreciate functionality as much as style. The watch features a sapphire crystal that enhances the clarity of the dial, while the open case back showcases the intricate workings of the movement. This timepiece is a symbol of status, craftsmanship, and durability, making it an investment worthy of consideration.

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MSRP: $21,800

Market Price: $6,243

Key Features

Omega caliber 8500 automatic movement
Co-Axial escapement for improved accuracy
60-hour power reserve
150-meter water resistance
Sapphire crystal for scratch-resistance
Stainless steel and red gold case
Mother-of-pearl dial with gem-set indexes

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / Diamond / MOP / Bracelet

Reference

231.25.39.21.55.001

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 - 220.10.38.20.03.001 - Full Kit - $4,195 Shipped

Omega - 220.10.38.20.03.001 · $4,195

This Omega Seamaster Aqua Terra is a 38mm watch with sapphire crystal, running well and in great condition.

Condition: Fantastic condition
Size: 38mm diameter
Year: 2021

Posted at

Jan 7, 2026, 4:40 PM

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Omega Seamaster Aqua Terra - 231.10.39.21.02.001 - Box and Papers - $3,195 Shipped!

Omega - 231.10.39.21.02.001 · $3,195

This Omega Seamaster Aqua Terra features a stainless steel case, sapphire crystal, and is water-resistant to 150m. The watch comes with the original box, warranty card, and booklet.

Condition: Great preowned condition with light wear
Movement: Omega Calibre 8500 Co-Axial (in-house automatic movement)
Case diameter: 38.5mm
Water-resistance: 150m depth rating

Posted at

Jan 7, 2026, 4:24 PM

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Omega Seamaster Aqua Terra 150m Master Co-Axial Golf Edition (2020) Complete Kit With Extra Straps

Omega - Seamaster Aqua Terra 150m Master Co-Axial Golf Edition · $4,500

This Omega Seamaster Aqua Terra 150m Master Co-Axial Golf Edition is a 2020 model featuring a 41mm case size. It has been worn less than 20 times and comes with multiple straps.

Condition: Worn less than 20 times
Size: 41mm diameter
Background: Bought in 2020 from WatchMaxx

Posted at

Jan 6, 2026, 8:23 PM

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Omega Aqua Terra 220.10.41.21 Black Dial 41mm Full Kit 2023 - $4,350

Omega - 220.10.41.21 · $4,350

Up for sale is my Omega Seamaster Aqua Terra [220.10.41.21] with a 41mm case and Calibre OMEGA 8900 automatic movement.

Condition: Very good condition, minimal marks/hairlines on the case
Movement: Calibre OMEGA 8900
Case size: 41mm diameter
Bracelet type: Steel Omega steel bracelet

Posted at

Jan 6, 2026, 7:48 PM

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Omega Aqua Terra 220.10.41.21 Black Dial 41mm Full Kit 2023 - $4,350

Omega - 220.10.41.21 · $4,350

This Omega Seamaster Aqua Terra measures at 41mm with a Calibre OMEGA 8900 automatic movement.

Condition: Very good condition, minor marks/hairlines on the case
Movement: Calibre OMEGA 8900 automatic movement
Case size: 41mm diameter
Water resistance: 150m

Posted at

Jan 5, 2026, 9:32 PM

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2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4500 + Label

Omega - 220.10.38.20.12.001 · $4,500

The Omega Seamaster Aqua Terra Shades Collection is a tribute to OMEGA's maritime heritage, featuring a symmetrical case with polished stainless steel and a wave-edged design on the back.

Condition: Lightly worn
Case size: 38mm diameter
Dial color: Saffron
Bracelet material: Polished and brushed stainless steel

Posted at

Jan 5, 2026, 1:36 PM

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2023 Omega Aqua Terra Worldtimer 220.12.43.22.03.001 Full Kit

Omega - 220.12.43.22.03.001 · $6,900

A 2023 Omega Aqua Terra Worldtimer with a 43mm size, automatic Master Chronometer movement, blue dial, and sapphire crystal.

Condition: Great condition overall, minimal wear on bezel and stainless steel case.
Size: 43mm diameter
Location: U.S. / Georgia
Movement: automatic Master Chronometer

Posted at

Jan 4, 2026, 2:56 PM

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