Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 34 Yellow Gold / Diamond / MOP / Bracelet

Reference 231.55.34.20.55.001

About this watch

The Omega Aqua Terra 231.55.34.20.55.001 is a masterful blend of craftsmanship and elegance, featuring a stunning yellow gold case, diamond-set bezel, and mother of pearl dial that exudes sophistication and style. Powered by the Omega caliber 8521 with Co-Axial Escapement, this watch boasts exceptional timekeeping precision and requires less frequent servicing. The 34mm case is crafted from luxurious yellow gold, exuding elegance and sophistication, while the gem-set bezel adds a touch of opulence. The mother of pearl dial brings a unique depth and shimmer that's hard to ignore, making it perfect for both day and night wear. With a water resistance of 150m, this watch can handle everyday splashes and is even suitable for swimming. The sapphire crystal enhances its durability, while the open case back allows you to admire the intricate workings of the Omega caliber 8521. The watch comes with a beautifully crafted yellow gold bracelet that provides exceptional comfort and style.
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MSRP: $35,800
Market Price: $15,740

Key Features

  • Omega Caliber 8521 Co-Axial Escapement Movement
  • Yellow Gold 34mm Case with Diamond-Set Bezel
  • Mother of Pearl Dial with Gem-Set Indexes
  • Sapphire Crystal for Enhanced Durability
  • Water Resistance up to 150m
  • Adjustable Yellow Gold Bracelet
  • Open Case Back with Exclusive Geneva Waves

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 34 Yellow Gold / Diamond / MOP / Bracelet
Reference
231.55.34.20.55.001
Movement
8521
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 34mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra - 231.10.42.21.01.003 - Fits up to 7.5"

Omega Seamaster Aqua Terra - 231.10.42.21.01.003 - Fits up to 7.5"

An Omega Seamaster Aqua Terra 150M in stainless steel features a black teak-pattern dial, Omega Caliber 8500 movement, and 41.5mm case.

  • Condition: Pre-owned with light scratches
  • Movement: Omega Caliber 8500 automatic
  • Case size: 41.5mm diameter
  • Water resistance: 150m depth rating
Posted at
Mar 24, 2026, 10:53 AM
Active
[WTS] 2023 Omega Seamaster Aqua Terra 41.5mm 150M Black 231.10.42.21.01.003 Full Set - $4,495

2023 Omega Seamaster Aqua Terra 41.5mm 150M Black 231.10.42.21.01.003 Full Set - $4,495

This Omega Seamaster Aqua Terra Black is a 2023 model with a 41.5mm case and 150M water resistance, featuring a black dial.

  • Condition: Excellent condition with minimal signs of wear
  • Water Resistance: 150M depth rating
  • Year: 2023
  • Case Size: 41.5mm diameter
Posted at
Mar 23, 2026, 2:25 PM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

The Omega Seamaster Aqua Terra Worldtimer features a stunning "Summer Blue" dial with laser-ablated continents, powered by the Omega Co-Axial Master Chronometer Caliber 8938. This watch is part of the Seamaster anniversary collection and comes with a complete set of accessories.

  • Condition: Brand new old stock and unworn
  • Case size: 43mm diameter
  • Movement: Omega Co-Axial Master Chronometer Caliber 8938
  • Complications: worldtimer
Posted at
Mar 23, 2026, 1:10 PM
Active
[WTS] Omega Seamaster Aqua Terra "Beijing 2022" - 2025 Excellent Condition | Leather+Steel Bracelet | Full Set $4,650

Omega Seamaster Aqua Terra "Beijing 2022" - 2025 Excellent Condition | Leather+Steel Bracelet | Full Set $4,650

This Omega Seamaster Aqua Terra 'Beijing 2022' is a versatile timepiece that can transform its look with two included straps: an OEM stainless steel bracelet and a blue leather strap.

  • Condition: Excellent condition with minor hairlines on the back and light wear
  • Bracelet type: Stainless steel and leather straps included
  • Box papers date: 2025
Posted at
Mar 22, 2026, 5:46 PM
Active
[WTS] Omega Seamaster Aqua Terra 38mm Black Lacquer Dial

Omega Seamaster Aqua Terra 38mm Black Lacquer Dial

For sale is my Omega Seamaster Aqua Terra 38mm with black lacquer dial, a full set with box and papers.

  • Condition: very good condition with minor scratches
  • Case size: 38mm
  • Dial color: black lacquer
  • Clasp type: butterfly clasp
Posted at
Mar 22, 2026, 5:15 PM
Active
[WTS] Omega Seamaster Aqua Terra – 'Blue Wave’ – Gold Accents – Complete

Omega Seamaster Aqua Terra – 'Blue Wave’ – Gold Accents – Complete

Omega - 23110422103006 · $4,950
The Omega Seamaster Aqua Terra 'Blue Wave' features a blue dial with wave pattern and gold accents, housed in a 41.5mm stainless steel case on a stainless steel bracelet.

  • Condition: Excellent all-around condition
  • Case Size: 41.5mm diameter
  • Bracelet Type: Stainless steel
  • Movement: Omega Master Co-Axial calibre 8500
Posted at
Mar 22, 2026, 12:26 PM
Active
[WTS] Omega Aqua Terra blue rubber strap with deployant and end links

Omega Aqua Terra blue rubber strap with deployant and end links

This listing is for an OEM Omega Aqua Terra blue rubber strap with deployant and end links, made for the 41mm teak dial version of the watch.

  • Condition: near mint
  • Strap width: 20mm
Posted at
Mar 22, 2026, 12:17 PM
Active
[WTS] Omega Seamaster Aqua Terra “London 2012” Olympic Collection – Ref. 522.23.34.20.03.001 – Full Set 2015 – Excellent Condition

Omega Seamaster Aqua Terra “London 2012” Olympic Collection – Ref. 522.23.34.20.03.001 – Full Set 2015 – Excellent Condition

This Omega Seamaster Aqua Terra is a special edition released to commemorate the London 2012 Olympic Games, featuring a stainless steel case with an 18k yellow gold bezel and blue teak-pattern dial. It comes as a full set with inner/outer box, warranty card, and accessories, powered by the Omega Co-Axial Caliber 8520 automatic movement.

  • Condition: Excellent pre-owned condition
  • Case size: 34mm
  • Movement: Omega Caliber 8520 (automatic)
  • Power reserve: ~50 hours
Posted at
Mar 22, 2026, 12:10 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m 38mm. Ref 220.12.38.20.02.001

Omega Seamaster Aqua Terra 150m 38mm. Ref 220.12.38.20.02.001

A 38mm Omega Seamaster Aqua Terra with a depth rating of 150m is being sold.

  • Condition: minor wear on the sides
  • Warranty: until July 2028
  • Shipping: free shipping in US to a FedEx store near buyer's address
Posted at
Mar 22, 2026, 11:21 AM
Active