Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Yellow Gold / MOP / Bracelet

Reference 231.20.34.20.55.002

Omega Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Yellow Gold / MOP / Bracelet

About this watch

The Omega Seamaster Aqua Terra 231.20.34.20.55.002 is a masterclass in luxury watchmaking, blending elegance with functionality and precision. This stunning timepiece boasts a 34mm case size, crafted from stainless steel and yellow gold, giving it a luxurious feel. The mother-of-pearl (MOP) dial adds an ethereal quality, while the gem-set indexes shimmer subtly. The arrow-shaped hands ensure easy reading at a glance. With a predominantly white dial and yellow gold accents, this watch maintains a clean and classic aesthetic that can transition effortlessly from day to night. Underneath its stunning design lies the heart of the watch - its Omega caliber 8520 automatic movement. This chronometer boasts a 50-hour power reserve, precision accuracy, and Co-Axial escapement technology, ensuring smooth sweeping of the second hand. With a water resistance rating of 150 meters and scratch-resistant sapphire crystal, this watch is more than just a pretty face - it's a reliable companion for adventurous souls. The stainless steel and yellow gold bracelet is both sturdy and comfortable, making it perfect for everyday wear.

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Key Features

Omega caliber 8520 automatic movement
50-hour power reserve
Chronometer precision accuracy
Co-Axial escapement technology
150-meter water resistance
Sapphire crystal scratch-resistance
Stainless steel and yellow gold bracelet

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Yellow Gold / MOP / Bracelet

Reference

231.20.34.20.55.002

Movement

8520

Movement Features

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

Case

34mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm Master Co-Axial Box and Papers - $3,250

Omega - 231.10.39.21.02.002 Cal 8500 · $3,250

Up for sale is my Omega Aqua Terra 231.10.39.21.02.002 Cal 8500, measuring at 39mm with a Calibre OMEGA 8500 movement.

Condition: 8.9/10, great condition with minimal marks on the case and bracelet
Case size: 39mm diameter
Movement: Calibre OMEGA 8500
Bracelet material: steel

Posted at

May 11, 2026, 10:10 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 231.10.39.21.02.002 Cal 8500. This watch measures at 39mm and has an Calibre OMEGA 8500 movement.

Condition: Great condition, minimal marks on the case and bracelet
Movement: Calibre OMEGA 8500
Case size: 39mm diameter
Bracelet type: Original Omega steel bracelet, replaced with OEM all brushed version

Posted at

May 11, 2026, 10:06 PM

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Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,790

Omega - 231.10.39.21.01.001 · $2,790

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

Condition: Very good condition for its age, minimal marks/hairlines
Case Size: 38.5mm diameter
Movement: Omega Calibre 8500, automatic

Posted at

May 11, 2026, 10:01 PM

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Omega Seamaster Aqua Terra - Black 39mm - 2503.50

Omega - 2503.5 · $2,750

A 39mm Omega Seamaster Aqua Terra in black, with minor wear throughout and a small mark on the bezel/crystal near the 12 o'clock marker.

Condition: Pre-owned, minor wear throughout
Size: 39mm diameter
Bezel mark: small mark on bezel/crystal near the 12 o'clock marker

Posted at

May 11, 2026, 5:33 PM

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Omega Seamaster Aqua Terra Rose Gold 38mm with box and papers

Omega - 220.20.38.20.02.001 · $8,000

This Omega Seamaster Aqua Terra is a 38mm rose gold watch with a clean and balanced design, featuring stainless steel and rose gold accents that add depth and elegance.

Condition: Excellent
Case Size: 38mm diameter
Year: 2021 (dated December)
Box And Papers: complete set including warranty card, booklets, cloth bag, and all links

Posted at

May 11, 2026, 11:06 AM

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Omega Aqua Terra 2504.50 36mm First Gen Automatic $2,500 (Recently Serviced)

Omega - 2504.50 · $2,500

The Omega Aqua Terra is a first-generation automatic watch with a 36mm case size, powered by the 2500B movement.

Condition: Excellent condition, freshly polished
Movement: 2500B
Size: 36mm diameter
Length of strap: up to 18.5cm

Posted at

May 11, 2026, 9:00 AM

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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 is a 41mm stainless steel automatic watch with a grey teak dial, accompanied by its original outer box, inner box, and undated warranty card.

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

Posted at

May 11, 2026, 8:54 AM

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