Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 38.5 Red Gold / Grey / Bracelet

Reference 231.53.39.21.06.003

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial 38.5 Red Gold / Grey / Bracelet is a masterpiece of luxury watchmaking, blending sportiness and elegance with its stunning red gold case and sleek grey dial. Protected by a sapphire crystal, the dial boasts stick and dot indexes for a contemporary yet timeless look, while the arrow hands ensure effortless time-telling. At the heart lies the Omega Caliber 8501, an automatic movement featuring a Co-Axial escapement for greater accuracy and longevity. With a power reserve of 60 hours, this marvel of engineering is perfect for everyday wear. Whether you're hiking or attending a formal dinner, this watch is up to the task with its impressive 150-meter water resistance. The adjustable red gold bracelet complements the case while ensuring comfort on your wrist, making it versatile enough to wear daily or save for special occasions. This true masterpiece offers exceptional value, combining elegance and sporty functionality in a way that sets it apart from other luxury watches.

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Key Features

38.5mm Red Gold Case
Grey Dial with Stick and Dot Indexes
Omega Caliber 8501 Automatic Movement
Co-Axial Escapement for Greater Accuracy and Longevity
Sapphire Crystal for Scratch Resistance
150m Water Resistance
Adjustable Red Gold Bracelet

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150m Master Co-Axial 38.5 Red Gold / Grey / Bracelet

Reference

231.53.39.21.06.003

Movement

8501

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Red Gold 38.5mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

150

Current Listings

Two Tone State of Mind: Omega Seamaster Aqua Terra – Red Gold & Steel

Omega - 231.20.42.21.06.001 · $5,250

The Omega Seamaster Aqua Terra 150M - Red Gold & Steel features a beautifully balanced design with a grey-chocolate teak-pattern dial and red gold accents.

Condition: Excellent overall condition
Case size: 41.5mm diameter
Water resistance: 150M
Movement: in-house Co-Axial Caliber 8500

Posted at

May 28, 2026, 12:33 PM

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Omega Seamaster Aqua Terra 2518.50 36mm Full Kit - $2,150

Omega - 2518.50 · $2,150

Up for sale is a good condition Omega Seamaster Aqua Terra 2518.80 with a Calibre OMEGA 1538 quartz movement and measures at 36mm.

Condition: very good
Case condition rating: 8.8/10
Movement type: quartz

Posted at

May 27, 2026, 9:57 PM

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Omega Seamaster Aqua Terra 2504.50 - $1,990

Omega - 2504.50 · $1,990

Up for sale is my good condition Omega Seamaster Aqua Terra 2504.50.00, featuring an automatic movement and measuring 36mm in diameter.

Condition: Good condition with wear on sapphire crystal and oxidation/marks on dial/hands
Case size: 36mm diameter
Bracelet type: Original Omega Steel bracelet
Crystal condition: Sapphire crystal with damage and AR coating issues

Posted at

May 27, 2026, 9:09 PM

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Omega Seamaster Aqua Terra 2504.80.00 “First Gen” Mid-Size 36.2mm | Blue Sunburst Dial, Cal. 2500 Co-Axial, Fresh Service,Full Set | $2,899 Shipped

This is a first-generation Omega Seamaster Aqua Terra ref. 2504.80.00, featuring a blue sunburst dial and the Cal. 2500 Co-Axial chronometer movement.

Posted at

May 27, 2026, 5:09 PM

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2023 Omega Seamaster Aqua Terra - 231.10.39.21.02.001 - Box and Papers - Price Reduced!

Omega - 231.10.39.21.02.001 · $3,395

This Omega Seamaster Aqua Terra features a white dial and automatic movement. It is a versatile and highly desirable timepiece that comes with its original packaging, including the red Omega box, warranty card, and manual.

Condition: Very clean pre-owned example in great overall condition with very minimal wear.
Model: Seamaster Aqua Terra
Diameter: 38.5mm
Year: 2023

Posted at

May 27, 2026, 4:18 PM

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Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

Omega - 220.32.41.21.03.001 · $6,995

This is a brand new Omega Aqua Terra 8900 with a turquoise dial and black ceramic bezel, featuring a stainless steel case and master chronometer movement.

Case material: Stainless Steel / Black Ceramic
Movement type: Master Chronometer Movement

Posted at

May 26, 2026, 1:27 PM

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