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

Reference 231.20.39.21.55.002

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

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterpiece that perfectly balances elegance with functionality, featuring an array of impressive specifications including the in-house Omega caliber 8500 movement, water resistance of 150 meters, and a stunning mother-of-pearl dial. With its combination of yellow gold and stainless steel, this watch exudes refinement and sophistication, making it suitable for both formal events and casual outings. The inclusion of a date window adds to its functionality, while the adjustable clasp ensures a perfect fit. Whether you're swimming, snorkeling, or just caught in the rain, this watch can handle it all without missing a beat. Its elegant design allows it to transition seamlessly from a business meeting to a casual dinner or a beach day, making it an ideal accessory for anyone looking to invest in a watch that combines elegance, functionality, and cutting-edge technology.

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Key Features

In-house Omega caliber 8500 movement
Water resistance of 150 meters
Stunning mother-of-pearl dial
Combination of yellow gold and stainless steel case
Chronometer certified for precision
60-hour power reserve
25,200 vibrations per hour frequency

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.20.39.21.55.002

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 Worldtimer Aqua Terra 150m box and papers 43mm $7900+ label

Omega - Worldtimer Aqua Terra 150m box and papers 43mm · $7,900

This Omega Worldtimer Aqua Terra 150m features a 43mm case size, 60 hour power reserve, integrated 18k gold bracelet, and 150 meter water resistance.

Condition: Excellent condition with minor scratches on the bracelet, ripped outer box flap, and taped fix
Bracelet size: 43mm
Water resistance: 150m
Depth rating: 150m depth rating

Posted at

May 18, 2026, 9:24 PM

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Omega Seamaster Aqua Terra 2400

Omega - Aqua Terra 2400

This Omega Seamaster Aqua Terra 2400 is in excellent condition, with a previous owner-reported accuracy of +3 seconds per day. The watch comes with a watch-only bracelet that fits a 7.5-inch wrist.

Condition: fantastic condition, super clean and running super well
Bracelet size: fits about a 7.5 inch wrist
Accuracy: +3 seconds a day

Posted at

May 18, 2026, 5:50 PM

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Omega Seamaster Aqua Terra 220.10.41.21.06.001 41mm Automatic Grey Dial Full Set

Omega - 220.10.41.21.06.001 · $4,995

This Omega Seamaster Aqua Terra features a stainless steel case, grey teak dial, and automatic movement. It comes with an original outer box, inner box, and undated warranty card.

Condition: Very good condition
Movement type: Automatic
Bracelet material: Stainless steel
Case size: 41 mm

Posted at

May 18, 2026, 8:49 AM

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Omega Aqua Terra Quartz 2517.80 39mm Box and Papers - $1,890

Omega - 2517.80 · $1,890

Up for sale is my Omega Seamaster 2517.80, a quartz watch with Calibre Omega 1538 movement and a steel case on original Omega steel bracelet.

Condition: great condition, minimal marks on the case and bracelet
Case size: 39mm diameter
Movement: Calibre Omega 1538 quartz
Bracelet type: original Omega steel bracelet

Posted at

May 17, 2026, 9:26 PM

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Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial - $2,950

Omega - 231.10.39.21.02.002 · $2,950

Up for sale is my great condition Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial.

Condition: Great condition, minimal marks on case and caseback
Case Size: 39mm diameter
Bracelet Type: Original Omega steel bracelet (replaced with OEM all brushed version)
Movement: Calibre OMEGA 8500

Posted at

May 17, 2026, 9:22 PM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,590

Omega - 231.10.39.21.01.001 · $2,590

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001. This watch has an automatic Omega Calibre 8500 movement and measures at 38.5mm.

Condition: Very good condition, minor marks/hairlines
Movement: Omega Calibre 8500
Case size: 38.5mm
Bracelet type: Original Omega steel bracelet

Posted at

May 17, 2026, 9:16 PM

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View listing on r/WatchExchange