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

Reference 231.20.39.21.55.003

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

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 is a masterpiece of luxury watchmaking, seamlessly blending elegance with functionality. Its unique mother-of-pearl dial and gem-set indexes create a truly one-of-a-kind look, while its stainless steel case and red gold accents exude luxurious sophistication. With a water resistance of 150 meters, this watch is perfect for those who love to stay active while still looking stylish. At the heart of the Aqua Terra lies the Omega caliber 8500, an in-house automatic movement that has been a game-changer in the watch industry since its introduction in 2007. This remarkable movement boasts a total power reserve of 60 hours and features a Co-Axial escapement that significantly reduces friction between the movement's components, enhancing its longevity and accuracy. Whether you're attending a formal gala or diving into the ocean, this watch is designed to impress with its stunning aesthetics, reliable movement, and robust features.

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Key Features

Unique MOP dial and gem-set indexes
Water-resistant up to 150 meters
In-house Omega caliber 8500 movement
60-hour power reserve
Co-Axial escapement for enhanced accuracy and longevity
Stainless steel case with red gold accents
38.5mm diameter suitable for both men and women

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.20.39.21.55.003

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 Aqua Terra White Teaked 38.5mm

Omega - 8500 · $2,750

This Omega Aqua Terra 38.5mm features a white teaked dial and is available for purchase with an extra omega travel bag.

Condition: Excellent, no issues
Case Size: 38.5mm
Box Papers: No box/no papers

Posted at

Feb 16, 2026, 10:46 PM

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Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025 – $8,490 + Shipping

Omega - 220.10.43.22.03.001 · $8,490

A new, unworn Omega Seamaster Aqua Terra Worldtimer featuring a striking blue dial and matching blue strap.

Condition: New / Unworn
Case size: 43mm diameter
Water resistance: 150m depth rating
Power reserve: 60-hour power reserve

Posted at

Feb 16, 2026, 9:17 PM

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Omega Aqua Terra 38 Blue Teak

Omega - Aqua Terra 38mm · $4,200

Up for sale is an Omega Aqua Terra 38mm with blue horizontal teak dial on bracelet. It includes various accessories such as the Omega white box, hang tag, full bracelet with all links, manual, and a red Omega travel pod.

Condition: Excellent
Diameter: 38mm

Posted at

Feb 16, 2026, 4:32 PM

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Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Price Reduced!

Omega - 2518.80 · $1,695

A beautiful Omega Seamaster Aqua Terra Blue, 36mm in size, with a stunning blue dial.

Condition: Good overall condition, minimal wear
Size: 36mm diameter
Movement type: Quartz

Posted at

Feb 16, 2026, 2:22 PM

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Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega - 231.10.42.21.03.003 · $3,499

This listing is for an Omega Seamaster Aqua Terra Master Co-Axial, a blue-coloured watch with a 41.5mm case size.

Bracelet Length: 7.25"

Posted at

Feb 16, 2026, 1:26 PM

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Omega Seamaster Aqua Terra Ref. 231.10.42.21.03.003 Excellent Condition

Omega - 231.10.42.21.03.003 · $4,299

The Omega Seamaster Aqua Terra reference 231.10.42.21.03.003 is a versatile watch that combines sport and elegance, featuring a teak-pattern dial and sapphire display caseback.

Condition: Excellent pre-owned condition
Case diameter: 42mm
Movement: Omega Co-Axial automatic

Posted at

Feb 15, 2026, 9:22 PM

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Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega - 2504.80 · $2,595

This Omega Seamaster Aqua Terra features a navy blue sunburst dial and is powered by Omega's Co-Axial automatic movement, housed in a 36.2mm case.

Condition: Excellent overall condition, minimal wear
Case diameter: 36.2mm
Crystal type: domed sapphire crystal with anti-reflective coating
Bracelet material: stainless steel

Posted at

Feb 15, 2026, 5:50 PM

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

Omega - 23110422103006 · $5,250

The Omega Seamaster Aqua Terra 150M 'Blue Wave Dial' is a striking Aqua Terra released for a very short period in limited production, featuring a blue dial with a wave pattern and 18K yellow gold accents.

Condition: Excellent all-around condition
Case size: 41.5mm diameter
Water resistance: 150M / 15 bar
Movement: Omega Master Co-Axial calibre 8500

Posted at

Feb 15, 2026, 4:28 PM

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Omega Seamaster Aqua Terra Quartz - 38.5mm - 231.10.39.60.02.001 - Price Reduced!

Omega - 231.10.39.60.02.001 · $1,950

This Omega Seamaster Aqua Terra Quartz is a simple yet elegant watch with a Caliber 4564 quartz movement and 38.5mm case, perfect for those who want a proven brand without the expense of an automatic movement.

Case size: 38.5mm
Movement type: quartz
Bracelet type: original

Posted at

Feb 15, 2026, 1:49 PM

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