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 Seamater Aqua Terra 38mm

Omega - Aqua Terra 38mm · $4,250

The Omega Aqua Terra 38mm is a well-maintained timepiece, featuring a sleek blue rubber strap and the added layer of scratch protection provided by the Aqua Terra 38mm Watch Protection Film.

Condition: good condition
Bracelet: metal bracelet, OEM
Strap: blue StrapsCo rubber strap
Box And Accessories: comes with box, tag, another set of film, and tweezers

Posted at

Dec 31, 2025, 3:17 PM

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2023 Omega Aqua Terra 150m Blue/Teal

Omega - 220.12.41.21.03.002 · $4,524

The Omega Seamaster Aqua Terra 150M features a blue dial with a teak deck pattern, a matching rubber strap, and an Omega Co-Axial Master Chronometer Calibre 8900 movement.

Condition: good preowned condition with normal/light signs of wear
Case size: 41mm diameter
Case material: Stainless steel
Bezel: Smooth stainless steel

Posted at

Dec 31, 2025, 10:31 AM

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Omega Aqua Terra small seconds on OEM rubber and OEM bracelet

Omega - Aqua Terra small seconds · $4,525

Selling an Omega Aqua Terra small seconds in blue/grey color, coming on OEM rubber and bracelet. It's sold condition with some minor flaws.

Condition: Terrific, some slight scratches
Bracelet Type: OEM
Warranty Status: factory warranty left (undated card dated 2022)
Wrist Size Fit: fits loosely on a 7.5" wrist

Posted at

Dec 30, 2025, 4:31 PM

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2025 Omega Seamaster Aqua Terra 38mm 220.10.38.20.13.003 Red Dial - $5,400

Omega - 220.10.38.20.13.003 · $5,400

The Omega Seamaster Aqua Terra features a 38mm stainless steel case and terracotta red dial, with a 150m water resistance.

Condition: Excellent
Material: Stainless Steel
Size: 8.25in (Full Links)
Depth rating: 150m

Posted at

Dec 30, 2025, 2:40 PM

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Omega Aqua Terra 36 black

Omega - Aqua Terra 36 · $3,150

This Omega Aqua Terra 36 is a full set with box and paper, including double eBay authentication. It has an original bracelet with an upgraded Omega clasp and two additional aftermarket bracelets.

Condition: Excellent condition
Bracelet Options: Original + Aftermarket President + Forstner flat link

Posted at

Dec 29, 2025, 8:04 PM

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Omega Seamaster Aqua Terra Worldtimer | 220.10.43.22.03.001 | Blue Dial | 43mm | Full Set

Omega - 220.10.43.22.03.001 · $6,900

The Omega Aqua Terra Worldtimer features a laser ablated world map dial and is powered by the Master Chronometer Worldtimer movement, allowing for global time tracking while being wearable on the wrist.

Condition: Very good
Case size: 43mm diameter
Bracelet condition: minor hairlines consistent with careful use

Posted at

Dec 29, 2025, 11:45 AM

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Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak

Omega - 231.10.39 · $1,690

Up for sale is a well-maintained Omega Seamaster Aqua Terra with a quartz movement and a 38.5mm steel case.

Condition: great condition, minimal marks/hairlines on the case
Case size: 39mm diameter
Movement type: quartz
Water resistance: 150m

Posted at

Dec 28, 2025, 8:02 PM

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Omega Seamaster Aqua Terra 150M 41mm (220.32.41.21.03.001) 2025 Turquoise Dial

Omega - 220.32.41.21.03.001 · $6,700

The Omega Seamaster Aqua Terra 150M 41mm features a stainless-steel case with a brushed ceramic bezel and a wave-edged screw-in caseback, housing the Co-Axial Master Chronometer caliber 8900. The watch boasts a mesmerizing turquoise dial with black gradient effect and facetted hands.

Condition: excellent plus condition
Case size: 41mm diameter
Water resistance: 150m water resistant

Posted at

Dec 27, 2025, 10:37 PM

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View listing on r/WatchExchange