Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 34 Stainless Steel / Diamond / MOP

Reference 231.18.34.20.55.001

Omega Seamaster Aqua Terra 150M Co-Axial 34 Stainless Steel / Diamond / MOP

About this watch

The Omega Seamaster Aqua Terra 231.18.34.20.55.001 is a masterpiece of luxury watchmaking, blending elegance with precision in a stunning package. Crafted from stainless steel and adorned with diamond accents, this 34mm timepiece exudes sophistication and refinement. The Mother of Pearl dial shines with an iridescent quality, while the gem-set indexes add a luxurious touch. Powered by the Omega caliber 8521 movement, this watch boasts accurate timekeeping and a remarkable power reserve of 50 hours. With its robust stainless steel case and scratch-resistant sapphire crystal, it's built to withstand the elements. Whether you're swimming, snorkeling, or just enjoying everyday wear, this Aqua Terra is the perfect companion. Its versatile design effortlessly transitions from casual to formal occasions, making it a staple in any wardrobe.

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Key Features

Omega caliber 8521 movement
Mother of Pearl dial with gem-set indexes
Water resistance up to 150 meters
Automatic winding and Co-Axial escapement for accurate timekeeping
Scratch-resistant sapphire crystal
Robust stainless steel case
50-hour power reserve

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 34 Stainless Steel / Diamond / MOP

Reference

231.18.34.20.55.001

Movement

8521

Movement Features

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

Case

Stainless Steel 34mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

[WTT], [WTS] Omega Aqua Terra 41mm Blue Teakwood Dial for SMP300 White Dial or $5,400

[WTT], Omega Aqua Terra 41mm Blue Teakwood Dial for SMP300 White Dial or $5,400

Omega - 220.13.41.21.03.003 · $5,400

A 41mm Omega Aqua Terra with blue teakwood dial, received as an inheritance and now being traded for a Seamaster Professional 300 or sold outright.

Condition: Excellent condition, minimal wear
Movement: Calibre 8900
Water Resistance: 150m depth rating

Posted at

Dec 22, 2025, 7:28 PM

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2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4750 + Label

Omega - 220.10.38.20.12.001 · $4,750

A 2023 Omega Seamaster Aqua Terra Shades Collection in Saffron color, featuring a symmetrical case and crown in polished stainless steel, with a lacquered and sun-brushed saffron dial. Powered by OMEGA's Co-Axial Master Chronometer calibre 8800.

Condition: Lightly worn, minor scuffs on clasp
Case size: 38mm
Movement: Co-Axial Master Chronometer calibre 8800

Posted at

Dec 22, 2025, 3:51 PM

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OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

OMEGA - 220.10.38.20.13.003 · $6,500

The OMEGA Seamaster Aqua Terra introduces a vibrant splash of color to the collection with its stunning Terracotta dial, featuring a symmetrical case design that is both elegant and comfortable on the wrist.

Condition: [UNWORN]
Case diameter: 38mm
Bracelet size: ~7"
Water resistance: 150m

Posted at

Dec 22, 2025, 9:12 AM

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OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET!

OMEGA - 220.10.43.22.03.002 · $10,250

The OMEGA Seamaster Aqua Terra Worldtimer 'Summer Blue' Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist.

Condition: VERY GOOD - some light scratches on case and bracelet
Case size: 43mm
Bracelet length: ~7"
Contents: ULTIMATE SET - box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt

Posted at

Dec 22, 2025, 9:09 AM

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Omega Seamaster Aqua Terra 150M - Green Dial - 2024 Full Set - Excellent Condition

Omega - Seamaster Aqua Terra 150M · $4,550

The Omega Seamaster Aqua Terra 150M features a stunning green dial with a sporty and elegant design, perfect for both weekend and office wear.

Condition: Mint / 9.5 out of 10
Purchase Year: 2024
Included Items: Complete Omega Inner & Outer Box,Wooden Presentation Box,Warranty Card (Dated 2024),Master Chronometer Card & Pictogram Card,Operating Instructions,All Original Links
Handling Marks: minor hairline marks on the polished center links

Posted at

Dec 21, 2025, 5:50 PM

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Omega Seamaster Aqua Terra - ‘Blue Wave’ with Gold Accents

Omega - 23110422103006 · $4,750

The Omega Seamaster Aqua Terra 'Blue Wave' features a striking blue wave pattern on its dial, paired with 18K yellow gold hands and indexes. The watch has a 41.5mm stainless steel case and a stainless steel bracelet.

Condition: Excellent all-around condition
Case material: stainless steel
Bracelet material: stainless steel
Diameter: 41.5mm

Posted at

Dec 21, 2025, 1:34 PM

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Omega aqua terra worldtimer green(2022) 18K hands- Recent omega service 2025 6250euro

Omega - aqua terra worldtimer · $6,250

This Omega Worldtimer in green was recently serviced by Omega and comes with a new warranty card for two more years. The watch has some minor scratches on the bracelet, as seen in the pictures.

Condition: great condition, with scratches on the bracelet
Bracelet condition: scratches
Warranty status: 2 years remaining
Box type: Omega box (not original)

Posted at

Dec 21, 2025, 9:27 AM

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